Quanta Services
Quanta Services provides specialty contracting and infrastructure services for electric power, gas, pipeline, and broader energy projects in the United States, Canada, Australia, and other regions. Through its electric power infrastructure and underground utility and infrastructure segments, it designs, installs, upgrades, repairs, and maintains electric power transmission and distribution networks, substations, and related smart grid technologies; performs engineering, procurement, and construction for electrical facilities; and supports solar, wind, and natural gas generation facilities and associated switchyards and transmission lines. It also offers pipeline and industrial infrastructure services, including pipeline transmission and gathering systems, storage facilities, and related trenching, drilling, welding, and fabrication; as well as fueling, water, and sewer infrastructure, pipeline protection, integrity testing, and rehabilitation. The firm provides emergency restoration services and high-priority turnaround projects and serves electric power, energy, and communications customers along with commercial, industrial, and governmental entities. Quanta operates primarily in the United States, Canada, and Australia and is headquartered in Houston.
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Past deals in Utilities
Utilidata
Series C in 2025
Utilidata develops energy software that optimizes power grids using real-time distributed intelligence. Its platform, Utilidata, analyzes grid conditions continuously, integrates renewable sources seamlessly, detects anomalies, and improves operational efficiency. Founded in 1983, the company is headquartered in Providence, Rhode Island.
RayGen
Series D in 2025
RayGen is an Australian technology company focused on solar power and electricity storage. Its Solar Power Plant provides on-demand renewable energy by combining PV Ultra solar cogeneration with electro-thermal storage to deliver utility-scale, time-shifted power and synchronous generation. The system is designed to be located where the grid requires flexibility and can support dispatchable electricity for grid services, cogeneration, and potential green hydrogen production. RayGen manufactures high-efficiency solar modules at a 25 MWac facility in Melbourne and has deployed 1 MWac PV Ultra projects under power purchase agreements. The company employs around 30 people across engineering, manufacturing, operations and sales and has received support from government programs such as ARENA and Victoria’s New Energy Jobs Fund.
eSmart Systems
Venture Round in 2024
Founded in 2012, eSmart Systems develops AI-driven software solutions for the energy industry. Its cloud-born platform collects and analyzes vast data quantities from sensors in real-time, enabling optimized energy decisions, resource savings, and predictive maintenance. The company offers tailored solutions for utilities and applications for consumers, with a focus on global markets.
TS Conductor
Venture Round in 2024
TS Conductor specializes in advanced electrical transmission conductors. Utilizing a carbon-fiber-composite core instead of steel, their products are lighter, stronger, and more efficient, carrying higher current with reduced energy loss.
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 provides turnkey design, supply and installation of utility-scale ground-mount solar tracker projects, delivering end-to-end solutions for developers and project owners from concept through commissioning.
The Hallen Construction Company
Acquisition in 2019
The Hallen Construction Company provides distribution contracting and construction services for utility pipelines and electrical infrastructure in the New York metropolitan area. It handles gas main and service installation, metering and regulation stations, vacuum excavation, emergency response, and transmission pipeline installation, as well as electric installations for transmission and distribution networks. The company serves utilities, grid operators, pipeline operators, public agencies, and private sector clients on gas distribution projects and related underground infrastructure. Founded in 1927 and based in Plainview, New York, it maintains an additional office in Maspeth.
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.
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.
Brown Engineering and Testing
Acquisition in 2000
Brown Engineering and Testing is engaged in hydrostatic testing and related services to the gas utility industry.
DB Utilities
Acquisition in 2000
DB Utilities Inc. is providing trenching services to utilities and contractors.
Kingston Contracting
Acquisition in 2000
Kingston Contracting Inc. providing electrical services to the transportation industry.
Wade D. Taylor
Acquisition in 2000
Wade D. Taylor Inc. providing services to the gas utility industry.
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.
Utilco
Acquisition in 1999
Utilco, Inc. provides specialty electrical services including installation, maintenance and emergency repair of transmission and distribution lines.
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.
Taylor Built
Acquisition in 1999
Taylor Built provides power line construction and maintenance services for the electric utility industry.
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.
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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