Quanta Services
Quanta Services, Inc. is a prominent provider of specialty contracting services, focusing on comprehensive infrastructure solutions for the electric power, oil and natural gas, and communications industries across the United States, Canada, Australia, and Latin America. The company operates through several segments, including Electric Power Infrastructure Services, which encompasses the design, installation, maintenance, and repair of electric power transmission and distribution systems, as well as substation facilities and smart grid technologies. Additionally, Quanta's Pipeline and Industrial Infrastructure Services segment offers services related to pipeline transmission and distribution systems, including installation, repair, and maintenance, along with trenching and mechanized welding. The company also engages in emergency restoration services for infrastructure affected by adverse weather conditions, and it plays a role in renewable energy projects, such as solar and wind generation facilities. Founded in 1997 and headquartered in Houston, Texas, Quanta Services serves a diverse clientele, including electric power, energy, and communications companies, as well as commercial and governmental entities.
Top Stages
40 past transactions
Utilidata
Series C in 2025
Utilidata, Inc. is a technology company specializing in energy software that optimizes energy grids through real-time distributed intelligence. Founded in 1983 and based in Providence, Rhode Island, Utilidata offers a software platform that integrates operational intelligence within smart meters and other grid edge devices. This platform facilitates continuous analysis of grid conditions, enabling seamless incorporation of renewable energy sources and enhancing clean energy expansion. The company's solutions are applied in various areas, including voltage optimization for utilities, conservation voltage reduction, and grid monitoring and security. Additionally, Utilidata has partnered with NVIDIA to enhance its capabilities with advanced computing solutions, further facilitating decarbonization efforts and improving utility customer service amidst challenges such as electrification and severe weather events.
RayGen Resources
Series D in 2025
RayGen is an Australian technology company specializing in next-generation solar power and electricity storage solutions. The company's flagship product, the Solar Power Plant, combines proprietary PV Ultra (solar cogeneration) and Thermal Hydro (electro-thermal storage) technologies to provide utility-scale, on-demand renewable energy with the lowest cost and longest duration storage solution. RayGen's team of 30 employees designs, manufactures, operates, and sells these systems, which can be flexibly located where grid requirements dictate. The company has built and sold a 1MWAC project supported by power purchase agreements and manufactures high-efficiency solar modules at its Melbourne facility. RayGen has received funding support from the Australian Renewable Energy Agency (ARENA) and the Victorian Government's New Energy Jobs Fund.
eSmart Systems
Venture Round in 2024
eSmart Systems AS, founded in 2012 and headquartered in Halden, Norway, specializes in developing smart grid software solutions for the energy industry and service providers. The company leverages over two decades of international experience in IT and energy-related sectors, providing a cloud-born platform designed to manage the Internet of Things, Big Data, and real-time analytics. Its operational intelligence software aims to enhance energy savings, optimize investments, and reduce carbon footprints through data-driven decisions. The eSmart System Platform collects data from a variety of sources, including sensors and automation systems, while its product suite includes solutions for connected grids, production, buildings, and vehicle applications. The company also tailors applications for utilities, consumers, and professionals, supporting innovation and business development. With nearly 80 employees and additional offices in locations such as Palo Alto, California, eSmart Systems is recognized for its advanced predictive and optimization models that transform vast data quantities into actionable insights for energy grid operators.
Hybar
Corporate Round in 2024
Hybar builds and operates a scrap metal recycling steel rebar production facility.
TS Conductor
Venture Round in 2024
TS Conductor is a company focused on providing high-performance conductors for modern power grids. It specializes in the development of advanced transmission technology that features a carbon-fiber-composite core, replacing the traditional steel core. This innovative design results in conductors that are both lighter and stronger, enabling them to carry higher electrical currents with reduced energy loss and enhanced efficiency. The company manufactures conductors with aluminum encapsulation, which protects the composite core from damage and corrosion. Through its products, TS Conductor aims to enhance capacity and reliability in the energy industry while promoting sustainable practices in electricity transmission and distribution.
Evergreen North America
Acquisition in 2024
Evergreen North America Industrial Services specializes in providing comprehensive industrial cleaning solutions primarily for the oil and gas, petrochemical, and power generation sectors. The company offers a wide array of services, including tank cleaning, waste transportation and treatment, chemical cleaning, hydroblasting, vacuum services, vapor control, and degassing. With a strong emphasis on safety, integrity, and accountability, Evergreen has established itself as a trusted partner to major energy companies across North America. The company is recognized for its technical expertise and skilled workforce, which allow it to effectively address various complex industrial cleaning challenges. Evergreen is committed to delivering high-quality services, whether for routine operations or large-scale turnarounds, and can provide its offerings either individually or as part of an integrated solution tailored to client needs.
RP Construction Services
Acquisition in 2023
RP Construction Services specializes in providing comprehensive solar contracting services tailored to various industries, including agriculture, commercial sectors, utilities, power agencies, and general contractors. The company excels in turnkey design, supply, and installation of utility-scale ground mount solar tracker projects. Their expertise encompasses construction and mechanical installation, technical support for solar trackers, geotechnical site assessments, and module installation.
KORE Power
Series A in 2022
KORE Power, founded in 2018 and based in Coeur d'Alene, Idaho, specializes in manufacturing and developing battery cell technology for the energy storage and electric transportation sectors. The company produces energy storage systems, proprietary nickel manganese cobalt (NMC) and lithium iron phosphate (LFP) cells, as well as vehicle design and assembly (VDA) modules and packs. KORE Power serves a diverse range of markets, including e-mobility, utilities, industrial applications, and mission-critical sectors. By focusing on advanced energy storage solutions, KORE Power aims to foster sustainable communities and contribute to green economic growth.
Blattner
Acquisition in 2021
Blattner is an industry renewable energy infrastructure solutions provider to the renewable energy industry with project experience throughout North America, that delivers expertise and collaborative renewable energy solutions for developers and utilities throughout North America.
The Hallen Construction
Acquisition in 2019
Hallen Construction is a construction company specializing in electric distribution and transmission services, catering to the needs of both private sector businesses and public sector agencies. The firm possesses significant expertise in pipeline work and offers a range of heavy construction services. In addition to electric power, Hallen Construction also serves the energy and communications industries, providing gas distribution and underground electric distribution solutions. Through these services, the company delivers essential infrastructure solutions, contributing to the efficiency and reliability of energy and communication systems.
Stronghold Specialty
Acquisition in 2017
Stronghold Specialty Ltd. is a specialized infrastructure solutions company that provides high pressure and critical path solutions to the downstream and midstream energy markets.
Banister Pipelines Constructors
Acquisition in 2014
Banister Pipelines Constructors Corp., located in Nisku, Alberta, is a prominent provider of mainline pipeline construction and maintenance services tailored for the Canadian oil and gas industry. The company operates throughout Canada, focusing on delivering high-quality services with a commitment to safety and environmental stewardship. Banister's management team emphasizes proactive and diligent operations, prioritizing the protection of landowners, natural habitats, and adherence to regulatory standards. With a skilled and trained workforce, Banister ensures that its safety, environmental, and quality management policies are effectively implemented, aiming to achieve optimal value for its clients.
T.G. Mercer
Acquisition in 2013
T.G. Mercer Consulting Services is a long-time expert in pipe transportation, pipe unloading, pipe handling and pipeline logistics for the oil and gas construction industry.
Nacap Australia
Acquisition in 2013
Nacap Australia is a prominent contractor specializing in pipeline and facilities construction in the oil and gas, water, and mining sectors. Operating both nationally and internationally, Nacap delivers comprehensive construction solutions, excelling in complex project management and collaborative client partnerships. The company offers a wide range of services, including cross-country pipeline construction, hydrostatic testing, civil construction, heavy earth moving, process and facilities construction, as well as engineering, procurement, and project management. Nacap's expertise also extends to commissioning and decommissioning, providing support throughout all phases of project delivery. Known for its innovative engineering capabilities and award-winning safety protocols, Nacap is committed to delivering cost-effective and efficient solutions, regardless of the challenges presented by diverse terrains and locations.
Valard Construction
Acquisition in 2010
Valard Construction is a Canadian utility contractor established in 1978, specializing in the engineering, procurement, construction, and maintenance of infrastructure projects for the utilities, independent power producers, mining, and oil and gas sectors. The company has a proven track record of delivering projects safely, on time, and within budget, regardless of size or complexity. Valard’s expertise encompasses a wide range of services, including the construction of substations, turbine foundations, grid interconnections, and transmission lines. The firm is recognized for its commitment to quality, fostering close collaboration with clients to minimize costs and eliminate project overruns, which has led to a strong reputation and repeat business.
Price Gregory Services
Acquisition in 2009
Price Gregory Services is a prominent provider of infrastructure services, specializing in pipeline construction and related activities. The company was established through the merger of H.C. Price and Gregory & Cook Construction, both of which were significant players in the pipeline construction industry. With its headquarters in Houston, Texas, and additional locations in Alaska and Canada, Price Gregory Services operates primarily in North America, including the Lower 48 states, Canada, and the North Slope of Alaska. The company offers a comprehensive range of construction services, having successfully built thousands of miles of pipelines globally. Its expertise extends to metering and valve station installation, compressor and pump station installation, as well as horizontal and directional drilling and road boring services.
InfraSource
Acquisition in 2007
InfraSource is one of the largest specialty contractors in the United States, focusing on utility transmission and distribution infrastructure across various energy sectors, including electric power, natural gas, and oil. The company offers a comprehensive range of services encompassing design, engineering, procurement, construction, testing, and maintenance of utility infrastructure. Its subsidiaries, including Dashiell, M.J. Electric, and Transmission Services, enhance its capabilities by providing specialized solutions such as substation design, dark fiber leasing, and telecommunications support. By delivering end-to-end transmission and distribution solutions, InfraSource plays a critical role in supporting the demands of energy and telecommunications sectors in the U.S.
North Houston Pole Line
Acquisition in 2001
North Houston Pole Line, L.P. is a Houston-based company specializing in infrastructure solutions for the electric power industry in Texas. The firm offers a comprehensive range of services, including the design and installation of substation projects, which encompass site preparation, foundation construction, structural steel erection, and the installation of electrical apparatus such as breakers, switches, transformers, and ground grids. Additionally, North Houston Pole Line provides construction and repair services for overhead and underground distribution systems, fiber interconnects, and gas rehabilitation. The company is equipped to handle emergency restoration and employs techniques like directional boring to enhance its service offerings.
Logical Link
Acquisition in 2000
Logical Link is provides engineering and project management services to the telecommunications industry.
Mears Group
Acquisition in 2000
Mears Group Inc. is a full service asset management and construction firm, offering an extensive catalog of pipeline and power related services. Mears’ Integrity Solutions Division offers turnkey corrosion control and pipeline integrity services including cathodic protection, inline inspection, AC mitigation, ECDA, SCCDA & ICDA direct assessment, NDT inspection, corrosion engineering, repairs and coating reconditioning, plus much more. Mears’ Horizontal Directional Drilling Division (HDD) is one of the largest leading HDD contractors with a focus on value–added services – Design/Build and Engineering/Procurement/Construction – Where HDD is a critical factor. The Mears Group serves the oil and gas, electrical and water/wastewater industries. It is their mission to be the industry’s first choice partner that is a problem solver, collaborative and has the technical ability and resources to produce safe, high quality work.
Riggin & Diggin Construction
Acquisition in 2000
Riggin & Diggin Construction provides specialty contracting services for the electric power and telecommunications industries.
Arby Construction
Acquisition in 2000
Arby Construction, Inc. provides network solutions for gas and electric power, telecommunications, and cable industries. The company offers gas distribution systems installation and pipeline construction services; and fiber optic, conduit, and duct installation, as well as fiber optic networks construction services. It also provides underground steel carrier pipe, cable, duct lines, and steam piping installation, as well as construction of manholes and vaults of electrical systems; steel pipe and vessels welding, as well as plastic piping fusion for gas, telcom, and water projects; and directional drilling services.
World Fiber
Acquisition in 2000
World Fiber, Inc. is engaged in the installation of broadband systems in Texas, North Carolina, Maryland, and Pennsylvania.
DB Utilities
Acquisition in 2000
DB Utilities Inc. is providing trenching services to utilities and contractors.
Brown Engineering and Testing
Acquisition in 2000
Brown Engineering and Testing is engaged in hydrostatic testing and related services to the gas utility industry.
Kingston Contracting
Acquisition in 2000
Kingston Contracting Inc. providing electrical services to the transportation industry.
Network Communication Services
Acquisition in 2000
Network Communication Services, Inc. provides engineering, consulting, and quality control inspection. The company specializes in outside-plant fusion splicing, POP, regen and op-amp terminators for long-haul applications and direct termination of any style connector for the LAN/WAN environment.
Wade D. Taylor
Acquisition in 2000
Wade D. Taylor Inc. providing services to the gas utility industry.
Grand Electric
Acquisition in 2000
Grand Electric Co. providing electrical contracting services.
GEM Engineering
Acquisition in 1999
GEM Engineering Co. is a specialty contractor that provides architectural engineering and tower site construction services.
Utilco
Acquisition in 1999
Utilco, Inc. provides specialty electrical services including installation, maintenance and emergency repair of transmission and distribution lines.
Taylor Built
Acquisition in 1999
Taylor Built provides power line construction and maintenance services for the electric utility industry.
Intermountain Electric
Acquisition in 1999
Based in Denver, Colorado, Intermountain Electric, Inc (IME), a wholly-owned subsidiary of Quanta Services, Inc. (NYSE:PWR), is the premier electrical and specialty contracting company for industries across the country.
North Sky Communications
Acquisition in 1999
North Sky Communications, LLC ("North Sky") is a full service telecommunications contractor, specializing in building, maintaining and managing some of the largest upgrades, rebuilds and new builds along the West Coast.
West Coast Communications
Acquisition in 1999
West Coast Communications specializes in the construction and installation of broadband networks for cable television providers.
H.L. Chapman Pipeline Construction
Acquisition in 1999
H.L. Chapman Pipeline Construction, Inc. operates as a trenching and mass rock excavation company. It involves in gathering systems, injection systems, lateral line, and trunk line works; cross country long haul and interconnect lines or systems works; and utilities operations, such as sewer and water mains and services, electrical and gas activities, and storm water collection systems.
Driftwood Electrical Contractors
Acquisition in 1999
Driftwood is a telecommunications contractor, which provides installation and maintenance of outside plant facilities to telecommunication companies primarily in the Southeast.
PDG Electric
Acquisition in 1999
PDG Electric Co. is an electrical contractor specializing in installation of traffic signals, and cable television systems.
Manuel Bros
Acquisition in 1998
Manuel Bros. Inc., headquartered in Grass Valley, Calif., provides specialty contracting services to the telecommunications industry.
Tom Allen Construction
Acquisition in 1998
Tom Allen Construction specializes in underground utility contracting, including fiber optic, gas and pipeline installation, and serves.
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