APi Group Corporation provides commercial life safety solutions and industrial specialty services primarily in the United States. It operates through three segments: Safety Services, Specialty Services, and Industrial Services. The Safety Services segment offers safety solutions focusing on end-to-end integrated occupancy systems, such as fire protection solutions, and HVAC and entry systems, which include the design, installation, inspection, and service of these integrated systems. It also provides mission critical services, including life safety, emergency communication systems, and specialized mechanical services. The Specialty Services segment offers diversified, single-source infrastructure, and specialty contractor solutions focusing on infrastructure services and specialized industrial plant solutions, including maintenance and repair of water, sewer, and telecom infrastructure. The Industrial Services segment provides specialty contracting services and solutions comprising oil and gas pipeline infrastructure, access and road construction, supporting facilities, and integrity management and maintenance to the energy industry focused on transmission and distribution. The company serves customers in the public and private sectors, including commercial, industrial, manufacturing, retail, education, healthcare, communications, utilities, energy, and high tech and governmental markets. The company was formerly known as J2 Acquisition Limited and changed its name to APi Group Corporation in October 2019. APi Group Corporation was founded in 1926 and is headquartered in New Brighton, Minnesota.
APi Group Corp.
Ameresco, Inc. provides comprehensive energy services for businesses and organizations in North America and Europe. It offers energy efficiency, infrastructure upgrades, energy security and resilience, asset sustainability, and renewable energy solutions. The company operates through U.S. Regions, U.S. Federal, Canada, and Non-Solar Distributed Generation segments. It designs, develops, engineers, and installs projects that reduce the energy, as well as operations and maintenance costs of customers' facilities. The company's projects primarily include various measures customized for the facility and designed to enhance the efficiency of building systems, such as heating, ventilation, cooling, and lighting systems. It also offers renewable energy products and services, such as the construction of small-scale plants for customers that produce electricity, gas, heat, or cooling from renewable sources of energy; and sells electricity and processed renewable gas fuel, heat, or cooling. In addition, the company provides integrated- photovoltaic (PV) and consulting, and enterprise energy management services; sells solar PV energy products and systems; and owns and operates a wind power project located in County Kerry, Ireland. It serves federal, state, and local governments, as well as healthcare and educational institutions, housing authorities, and commercial and industrial customers. As of December 31, 2019, the company owned and operated 99 small-scale renewable energy plants and solar PV installations. Ameresco, Inc. was founded in 2000 and is headquartered in Framingham, Massachusetts.
Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. It is involved in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) systems; and maintenance, repair, replacement, renovation, expansion, reconfiguration, and monitoring of mechanical systems, including heating, ventilation, and air conditioning (HVAC) systems, as well as plumbing, piping and controls, off-site construction, electrical, monitoring, and fire protection. The company provides its services for office buildings, retail centers, apartment complexes, and manufacturing plants; and healthcare, education, and government facilities. It serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional MEP markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
Comfort Systems USA, Inc.
Fluor Corporation, through its subsidiaries, provides engineering, procurement, construction, fabrication and modularization, operation, maintenance and asset integrity, and project management services worldwide. It operates through six segments: Energy & Chemicals; Mining & Industrial; Infrastructure & Power; Government; Diversified Services; and Other. The Energy & Chemicals segment offers a range of design, engineering, procurement, construction, fabrication, and project management services in the upstream, midstream, downstream, chemical, petrochemical, offshore and onshore oil and gas production, and liquefied natural gas and pipeline markets. The Mining & Industrial segment provides design, engineering, procurement, construction, and project management services to the mining and metals, life sciences, and advanced manufacturing and technologies sectors. The Infrastructure & Power segment offers design, engineering, procurement, construction, and project management services to the infrastructure sector. The Government segment provides engineering and construction services, logistics, and life-support services, as well as contingency operations support services to the defense sector. It also offers support services to the United States (U.S.) intelligence community, the U.S. Department of Energy and National Nuclear Security Administration, and the U.S. Department of Homeland Security. The Diversified Services segment provides asset maintenance and asset integrity services to the oil and gas, chemicals, life sciences, power, mining and metals, consumer products, and manufacturing industries; and staffing services. The Other segment researches, develops, licenses, and commercializes small modular nuclear reactor technology; and serves as a subcontractor for the construction of nitrocellulose manufacturing facility. The company also offers unionized management and construction services. Fluor Corporation was founded in 1912 and is headquartered in Irving, Texas.
Concrete Pumping Holdings, Inc. provides concrete pumping and waste management services in the United States and the United Kingdom. The company offers concrete pumping services to general contractors and concrete finishing companies in the commercial, infrastructure, and residential sectors under the Brundage-Bone and Camfaud brands; and industrial cleanup and containment services primarily to customers in the construction industry under the Eco-Pan brand. It also leases and rents concrete pumping equipment, pans, and containers. The company was founded in 1983 and is headquartered in Thornton, Colorado.
Concrete Pumping Holdings, Inc.
Hill International, Inc. provides project and construction management, and other consulting services primarily for the buildings, transportation, environmental, energy, and industrial markets. The company offers program management, project management, construction management, project management oversight, troubled project turnaround, staff augmentation, project labor agreement consulting, commissioning, estimating and cost management, and labor compliance and facilities management services. It primarily serves the United States federal, state and local governments, other national governments, and the private sector customers. The company operates in the United States, Latin America, Europe, the Middle East, Africa, and the Asia Pacific. Hill International, Inc. was founded in 1976 and is headquartered in Philadelphia, Pennsylvania.
Hill International, Inc.
Infrastructure and Energy Alternatives, Inc., through various subsidiaries, operates as a diversified infrastructure construction company in the United States. The company engages in providing engineering, procurement, and construction (EPC) services for the renewable energy, traditional power, and civil infrastructure industries. It operates in two segments, the Renewables and the Specialty Civil. The Renewables segment specializes in a range of services that include full EPC project delivery, design, site development, construction, installation, and restoration of infrastructure services for the wind and solar industries. The Specialty Civil segment offers a range of services that comprise heavy civil construction services, such as road and bridge construction, specialty paving, and industrial maintenance, as well as other local, state, and government projects; environmental remediation services, including site development, environmental site closure, and outsourced contract mining and coal ash management services; and rail infrastructure services consisting of planning, creation, and maintenance of infrastructure projects for railway and intermodal facilities construction. The company was founded in 1947 is headquartered in Indianapolis, Indiana.
Infrastructure & Energy Alternatives, Inc.
IES Holdings, Inc. designs and installs integrated electrical and technology systems, and provides infrastructure products and services in the United States. Its Commercial & Industrial segment offers electrical and mechanical design, construction, and maintenance services for office buildings, manufacturing facilities, data centers, chemical plants, refineries, wind farms, solar facilities, municipal infrastructures, and health care facilities. Its Communications segment designs, installs, and maintains network infrastructure within data centers for co-location and managed hosting customers; corporate, educational, financial, hospitality, and healthcare buildings; e-commerce distribution centers; and high-tech manufacturing facilities. This segment also provides design and installation services for audio/visual, telephone, fire, and wireless access and intrusion alarm systems; and engages in designing/building, servicing, and maintaining data network systems. Its Infrastructure Solutions segment maintains and repairs alternating and direct current electric motors and generators, and power generating and distribution equipment; manufactures custom-engineered metal enclosed bus duct solutions used in power distribution; manufactures custom commercial and industrial generator enclosures; manufactures, re-manufactures, and repairs industrial lifting magnets; and maintains and repairs railroad main and auxiliary generators, main alternators, and traction motors. Its Residential segment offers electrical installations to single-family housing and multi-family apartments; and cable television installations to residential and light commercial applications, as well as installs residential solar power for new construction and existing residences. The company was formerly known as Integrated Electrical Services, Inc. and changed its name to IES Holdings, Inc. in May 2016. The company was founded in 1997 and is headquartered in Houston, Texas.
IES Holdings, Inc.
Argan, Inc., through its subsidiaries, provides engineering, procurement, construction, commissioning, operations management, maintenance, project development, technical, and consulting services to the power generation and renewable energy markets. The company operates through Power Industry Services, Industrial Fabrication and Field Services, and Telecommunications Infrastructure Services segments. The Power Industry Services segment offers engineering, procurement, and construction (EPC) contracting services to the owners of alternative energy facilities, such as biomass plants, wind farms, and solar fields; and design, construction, project management, start-up, and operation services for projects with approximately 15 gigawatts of power-generating capacity. This segment serves independent power project owners, public utilities, power plant equipment suppliers, and energy plant construction companies. The Industrial Fabrication and Field Services segment provides industrial field, and steel pipe and vessel fabrication services for forest products, power, energy, large fertilizer, EPC, mining, and petrochemical companies in southeast region of the United States. The Telecommunications Infrastructure Services segment offers trenchless directional boring and excavation for underground communication and power networks, as well as aerial cabling services; and installs buried cable, high and low voltage electric lines, and private area outdoor lighting systems. It also provides structuring, cabling, terminations, and connectivity that offers the physical transport for high speed data, voice, video, and security networks. This segment serves state and local government agencies, regional communications service providers, electric utilities, and other commercial customers, as well as federal government facilities comprising cleared facilities in the mid-Atlantic region of the United States. Argan, Inc. was founded in 1961 and is headquartered in Rockville, Maryland.
Johnson Controls International plc operates as a diversified technology and multi industrial company worldwide. It operates through Building Solutions North America, Building Solutions EMEA/LA, Building Solutions Asia Pacific, and Global Products segments. The company designs, sells, installs, and services heating, ventilating, air conditioning, controls, refrigeration, integrated electronic security, and integrated fire detection and suppression systems for commercial, industrial, retail, small business, institutional, and governmental customers; and energy efficiency solutions and technical services, including inspection, scheduled maintenance, and repair and replacement of mechanical and control systems, as well as data-driven smart building solutions to non-residential building and industrial applications. It also designs and produces heating and air conditioning for residential and commercial applications; and markets products and refrigeration systems to replacement and new construction market; and designs, manufactures, and sells fire protection and security products, including intrusion security, anti-theft devices, and access control and video management systems for commercial, industrial, retail, residential, small business, institutional, and governmental customers. The company was formerly known as Johnson Controls, Inc. and changed its name to Johnson Controls International plc in September 2016. Johnson Controls International plc was founded in 1885 and is headquartered in Cork, Ireland.
Johnson Controls International Plc
AECOM, together with its subsidiaries, delivers professional services to program and construction management in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates through three segments: Americas, International, and AECOM Capital. The company engages in planning, consulting, architectural, engineering, and construction management services for commercials and governments clients. It also invests in and develops real estate projects. In addition, the company provides building construction and energy, as well as infrastructure and industrial construction services. It serves transportation, water, government, facilities, environmental, and energy sectors. The company was formerly known as AECOM Technology Corporation and changed its name to AECOM in January 2015. AECOM was founded in 1980 and is headquartered in Los Angeles, California.
TopBuild Corp. installs and distributes insulation and other building products to the United States construction industry. The company operates in two segments, Installation and Distribution. It offers insulation products, rain gutters, glass and windows, afterpaint products, fireproofing and firestopping products, garage doors, fireplaces, shower enclosures, closet shelving, accessories, and other products; and insulation installation services. The company also provides various services and tools that are designed to assist builders in applying the principles of building science to new home construction, which include pre-construction plan reviews, various inspection services, and diagnostic testing; and home energy rating services. It serves single-family homebuilders, local/single-family custom builders, multi-family builders, commercial general contractors, remodelers, and individual homeowners, as well as insulation contractors, gutter contractors, weatherization contractors, other contractors, dealers, metal building erectors, and modular home builders. TopBuild Corp. has approximately 200 installation branches and 75 distribution centers in the United States. The company was formerly known as Masco SpinCo Corp. and changed its name to TopBuild Corp. in March 2015. TopBuild Corp. was incorporated in 2015 and is headquartered in Daytona Beach, Florida.
EMCOR Group, Inc. provides electrical and mechanical construction, and facilities services in the United States. The company designs, integrates, installs, starts-up, operates, and maintains electric power transmission and distribution systems; premises electrical and lighting systems; process instrumentation in the refining, chemical and food processing, and mining industries; low-voltage, voice and data communications, fire protection, water and wastewater treatment, controls and filtration, central plant heating and cooling, plumbing, process, and piping systems; roadway and transit lighting, and fiber-optic lines; and heating, ventilation, air conditioning, refrigeration, and clean-room process ventilation systems. The company also offers crane, rigging, and millwright services; and steel fabrication, erection, and welding services. In addition, it provides building services to commercial and government site-based operations and maintenance; facility maintenance and services; outage services to utilities and industrial plants; military base operations support; mobile mechanical maintenance and services; floor care and janitorial; landscaping, lot sweeping, and snow removal; facilities and vendor management; call center; building systems installation and support; modification and retrofit; infrastructure and building projects; and energy systems program development, management, and maintenance services. Further, the company offers industrial services for refineries and petrochemical plants, such as on-site repair, maintenance, and service of heat exchangers, towers, vessels, and piping; design, manufacture, repair, and hydro blast cleaning of shell and tube heat exchangers, and related equipment; refinery turnaround planning and engineering, specialty welding and technical services; and critical process unit overhaul and maintenance. EMCOR Group, Inc. is headquartered in Norwalk, Connecticut.
EMCOR Group, Inc.
MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Oil and Gas, Electrical Transmission, Power Generation and Industrial, and Other. The company builds underground and overhead distribution systems, including trenches, conduits, cell towers, cable, and power lines, which provide wireless and wireline/fiber communications; natural gas, crude oil, and refined product transport pipelines; electrical power generation, transmission, and distribution systems; power generation infrastructure, such as renewable energy; heavy industrial plants; compressor and pump stations, and treatment plants; water and sewer infrastructure, including water pipelines; and other civil construction infrastructure. It also installs electrical and other energy distribution and transmission systems, power generation facilities, buried and aerial fiber optic and other cables, and satellite dishes, as well as home automation and energy management solutions. In addition, the company offers maintenance and upgrade support services comprising maintenance of customers' distribution facilities, networks, and infrastructure, including natural gas and petroleum pipeline, communications, electrical distribution and transmission, power generation, and heavy civil infrastructure; emergency services for accidents or storm damage; and routine replacements and upgrades to overhauls. Its customers include public and private energy providers, pipeline operators, wireless and wireline/fiber service providers, broadband operators, install-to-the-home service providers, and government entities. The company was founded in 1929 and is headquartered in Coral Gables, Florida.
Orion Group Holdings, Inc. operates as a specialty construction company in the building, industrial, and infrastructure sectors in the continental United States, Alaska, Canada, and the Caribbean Basin. It operates in two segments, Marine and Concrete. The company provides various marine construction services, including construction, restoration, dredging, maintenance, and repair of marine transportation facilities and pipelines, bridges and causeways, and marine environmental structures. Its marine transportation facility projects comprise public port facilities; cruise ship port facilities; private terminals; special-use navy terminals; recreational use marinas and docks; and other marine-based facilities. The company also offers on-going maintenance and repair, inspection, emergency repair, and demolition and salvage services to marine transportation facilities. Its marine pipeline service projects consist of the installation and removal of underwater buried pipeline transmission lines; installation of pipeline intakes and outfalls for industrial facilities; construction of pipeline outfalls for wastewater and industrial discharges; river crossing and directional drilling; creation of hot taps and tie-ins; and inspection, maintenance, and repair services. The company's bridge and causeway projects include the construction, repair, and maintenance of overwater bridges and causeways, as well as the development of fendering systems in marine environments; and marine environmental structures used for erosion control, wetlands creation, and environmental remediation. The company also offers specialty services, such as design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation, and repair services. In addition, it provides light commercial, structural, and other concrete construction services. Orion Group Holdings, Inc. was founded in 1994 and is headquartered in Houston, Texas.
Orion Group Holdings, Inc.
Atlas Technical Consultants, Inc. provides professional and technical testing, inspection engineering, and consulting services in the United States. The company provides a range of technical services, helping clients test, inspect, plan, design, certify, and manage various projects across various end markets. Its testing, inspection, and consulting services include materials engineering and testing, construction quality assurance, disaster response and recovery, and environmental services; and engineering, planning, and design services comprise engineering and design services, program management, and construction support services. The company offers its solutions to public and private sector clients in the transportation, commercial, water, government, education, and industrial markets. Atlas Technical Consultants, Inc. is headquartered in Austin, Texas.
Atlas Technical Consultants, Inc.
RCM Technologies, Inc. provides business and technology solutions in the United States, Canada, Puerto Rico, and Serbia. It operates through three segments: Engineering, Specialty Health Care, and Information Technology. The Engineering segment offers a range of engineering services, including project management engineering and design, engineering analysis, engineer-procure-construct, configuration management, hardware/software validation and verification, quality assurance, technical writing and publications, manufacturing process planning and improvement, and 3D/BIM integrated design. The Specialty Health Care segment provides long-term and short-term staffing, executive search, and placement services in the fields of rehabilitation, including physical therapists, occupational therapists, and speech language pathologists; nursing; managed care; allied health care; health care management; medical office support; and non-medical caregivers or companions. This segment also offers in-patient, outpatient, sub-acute and acute care, multilingual speech pathology, rehabilitation, geriatric, pediatric, and adult day care services to hospitals, long-term care facilities, schools, sports medicine facilities, and private practices. The Information Technology segment provides enterprise business solutions, application services, infrastructure solutions, competitive advantage and productivity solutions, life sciences solutions, and other vertical market specific solutions. The company serves aerospace and defense, energy, financial services, health care, life sciences, manufacturing and distribution, and technology industries, as well as educational institutions and the public sector. RCM Technologies, Inc. was founded in 1971 and is headquartered in Pennsauken, New Jersey.
RCM Technologies, Inc.
ENGlobal Corporation provides engineered modular solutions and professional services primarily to the energy industry worldwide. It operates through Engineering, Procurement and Construction Management (EPCM); and Automation segments. The EPCM segment offers engineering services and fabrication relating to the development, management, and execution of projects requiring professional engineering and related project management services primarily to the energy industry, which include conceptual studies, project definition, cost estimating, engineering design, environmental compliance, material procurement, project management, and construction management. The Automation segment provides services related to the design, integration, and implementation of process distributed control and analyzer systems, advanced automated data gathering systems, information technology, and electrical projects; and designs, assembles, integrates, and services control and instrumentation systems for applications in the energy and processing related industries. It also offers automated fuel handling systems and maintenance services to branches of the U.S. military and public sector entities; and electrical and instrument installation, technical, maintenance and calibration, and repair services. This segment serves petroleum refining, petrochemical, pipeline, production, process, and pulp and paper industries, as well as the United States government. The company was founded in 1985 and is headquartered in Houston, Texas.
Aegion Corporation provides technologies to maintain, rehabilitate, and strengthen infrastructure in the United States, Canada, Europe, and internationally. It operates through three segments: Infrastructure Solutions, Corrosion Protection, and Energy Services. The company offers various solutions for rehabilitating and maintaining aging or deteriorating infrastructure; protecting new infrastructure from corrosion and other threats; and providing integrated professional services in engineering, procurement, construction, maintenance, and turnaround services for oil and natural gas companies. Its solutions include rehabilitation of water and wastewater pipelines; fusible polyvinyl chloride products for rehabilitation and new installation; fiber reinforced polymer systems for rehabilitation and strengthening; cathodic protection for corrosion engineering control and infrastructure rehabilitation; pipe coatings for corrosion and thermal control and prevention; thermoplastic pipe lining for corrosion control, abrasion protection, and pipeline rehabilitation; and construction and maintenance of oil and gas facilities. The company serves municipal, state, and federal governments, as well as corporate customers in various industries, including pipelines, energy, oil and gas, refinery, mining, general and industrial construction, infrastructure, water and wastewater, transportation, utilities, maritime, and defense. Aegion Corporation was founded in 1971 and is headquartered in St. Louis, Missouri.
DIRTT Environmental Solutions Ltd. designs, manufactures, and installs prefabricated interior solutions for use primarily in commercial spaces across various industries and businesses in the United States, Canada, internationally. Its ICE software interior construction technology provides integration and management, from design through engineering, manufacturing, and installation. The company's interior construction solutions include prefabricated, customized interior modular walls, ceilings, and floors; decorative and functional millwork; power infrastructure; network infrastructure; and pre-installed medical gas piping systems. It offers interior construction solutions through a network of independent distribution partners. It serves commercial, healthcare, education, hospitality, and other industries, as well as medical gas piping systems for healthcare. DIRTT Environmental Solutions Ltd. was founded in 2003 and is headquartered in Calgary, Canada.
DIRTT Environmental Solutions Ltd.
Stantec Inc. provides professional consulting services in the area of infrastructure and facilities for clients in the public and private sectors in Canada, the United States, and internationally. The company offers consulting services in engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management and planning, and project economics. It also offers water, transportation, and public works; transportation planning and traffic engineering; and resource assessment, mine development, reclamation, hydrology, and geotechnical and infrastructure engineering services, as well as urban planning, traffic assessments and optimization, environmental impact assessments, and public consultation services. In addition, the company provides structural, mechanical, electrical, plumbing, and hydraulics engineering services. It serves urban regeneration, infrastructure, education, energy, industrial, building, tourism and leisure, and waste and water sectors, as well as office and commercial, residential, and retail and town centers. The company was formerly known as Stanley Technology Group Inc. and changed its name to Stantec Inc. in October 1998. Stantec Inc. was founded in 1954 and is headquartered in Edmonton, Canada.
Sterling Construction Company, Inc., a construction company, engages in the heavy civil construction, specialty services, and residential construction activities primarily in the southern United States, the Rocky Mountain states, California, and Hawaii. The company undertakes various heavy civil construction projects, including highways, roads, bridges, airfields, ports, light rail, water, wastewater and storm drainage systems, foundations for multi-family homes, commercial concrete projects, and parking structures for the departments of transportation in various states, regional transit authorities, airport authorities, port authorities, water authorities, and railroads, as well as commercial construction customers. It offers specialty services for blue-chip end users in the e-commerce, data center, distribution center and warehousing, energy, mixed use, and multi-family sectors. In addition, the company undertakes concrete foundations for single-family homes. Further, it provides surveying, clearing and grubbing, erosion control, grading, grassing, site excavation, storm drainage, sanitary sewer and water main installation, drilling and blasting, curb and gutter, paving, concrete work, and landfill services. The company was formerly known as Oakhurst Company, Inc. and changed its name to Sterling Construction Company, Inc. in November 2001. Sterling Construction Company, Inc. was founded in 1955 and is headquartered in The Woodlands, Texas.
Sterling Construction Co., Inc.
Great Lakes Dredge & Dock Corporation provides dredging services in the United States and internationally. The company engages in capital dredging that consists of port expansion projects, coastal restoration and land reclamations, trench digging for pipelines, tunnels and cables, and other dredging related to the construction of breakwaters, jetties, canals, and other marine structures. It is also involved in channel deepening and port infrastructure development; coastal protection projects; re-dredging previously deepened waterways and harbors; and lake and river dredging, inland levee and construction dredging, environmental restoration and habitat improvement, and other marine construction projects. The company serves federal, state, and local governments; foreign governments; and domestic and foreign private concerns, such as utilities, oil, and other energy companies. It operates a fleet of 22 dredges, 14 material transportation barges, 1 drillboat, and various other support vessels. The company was formerly known as Lydon & Drews Partnership and changed its name to Great Lakes Dredge & Dock Corporation in 1905. Great Lakes Dredge & Dock Corporation was founded in 1890 and is headquartered in Oak Brook, Illinois.
Great Lakes Dredge & Dock Corp.
Tutor Perini Corporation, a construction company, provides diversified general contracting, construction management, and design-build services to private customers and public agencies worldwide. The company operates through three segments: Civil, Building, and Specialty Contractors. The Civil segment engages in the public works construction, replacement, and reconstruction of infrastructure, including highways, bridges, tunnels, mass-transit systems, and water management and wastewater treatment facilities. This segment also provides drilling, foundation, and excavation support for shoring, bridges, piers, roads, and highway projects. The Building segment offers services in various specialized building markets, including hospitality and gaming, transportation, healthcare, commercial offices, government facilities, sports and entertainment, education, correctional facilities, biotech, pharmaceutical, and industrial and high-tech. The Specialty Contractors segment provides electrical, mechanical, plumbing, fire protection systems, and pneumatically placed concrete services, as well as heating, ventilation, and air conditioning services (HVAC) for the industrial, commercial, hospitality and gaming, and mass-transit end markets. It also offers general contracting, pre-construction planning, and project management services, including planning and scheduling of manpower, equipment, materials, and subcontractors; and self-performed construction services comprising site work, concrete forming and placement, steel erection, electrical, plumbing, HVAC, and mechanical. The company was formerly known as Perini Corporation and changed its name to Tutor Perini Corporation in 2009. Tutor Perini Corporation was founded in 1894 and is headquartered in Sylmar, California.