Commercial Electrical Services

Ainsworth Electrical Services

Toronto, Canada

Ainsworth Electrical Services is the electrical contracting division of Ainsworth, one of the largest integrated multi-trade contractors in Canada. Headquartered in Toronto, the division provides commercial and industrial electrical construction, power distribution, lighting systems, fire alarm installation, building automation wiring, and 24/7 electrical maintenance for major commercial, institutional, healthcare, and retail clients across Canada. Ainsworth Electrical is ECRA/ESA certified in Ontario and holds provincial electrical licences across Canada.

Balfour Beatty Engineering Services

United Kingdom

Balfour Beatty Engineering Services is the M&E contracting division of Balfour Beatty plc (LSE: BBY), one of the United Kingdoms largest infrastructure companies. The division provides commercial and industrial electrical construction, power distribution, data centre electrical infrastructure, high-voltage installations, building services engineering, and energy efficiency retrofits for major UK projects including hospitals, universities, transport infrastructure, defence facilities, and commercial developments across England, Scotland, and Wales.

Faith Technologies

Menasha, United States

Faith Technologies is one of the largest privately held electrical and technology contractors in the United States, founded in 1972 and headquartered in Menasha, Wisconsin. The company employs over 5,000 people across more than 25 offices nationwide providing commercial electrical construction, energy solutions, technology infrastructure, prefabrication, and virtual design and construction services for healthcare, higher education, commercial real estate, manufacturing, and renewable energy clients.

MYR Group

Rolling Meadows, United States

MYR Group (NYSE: MYRG) is one of the largest electrical construction companies in the United States, founded in 1891 and headquartered in Rolling Meadows, Illinois. With annual revenue exceeding $3.5 billion, MYR Group operates through two segments: Transmission and Distribution for utility-scale power infrastructure, and Commercial and Industrial for building electrical systems. The company employs over 8,000 skilled electricians and linemen across subsidiaries including Sturgeon Electric and Great Southwestern Construction.

Plan Group

Vaughan, Canada

Plan Group is one of the largest integrated electrical and technology contractors in Canada, founded in 1982 and headquartered in Vaughan, Ontario. The company provides commercial electrical construction, power distribution, building automation, data centre infrastructure, telecommunications, and security systems for major commercial, institutional, healthcare, and industrial projects across Ontario and nationally. Plan Group has delivered electrical systems for landmark Canadian projects including major hospital developments, university campuses, and transit infrastructure.

Rosendin Electric

San Jose, United States

Rosendin Electric is the largest employee-owned electrical contractor in the United States, founded in 1919 and headquartered in San Jose, California. With over 7,500 employees and annual revenue exceeding $3 billion, Rosendin provides commercial and industrial electrical construction, power distribution, data center electrical infrastructure, renewable energy systems, and preconstruction services. The company is consistently ranked among the top three electrical contractors nationally by ENR and operates offices across 18 states.

T Clarke plc

London, United Kingdom

T Clarke plc (LSE: CTO) is one of the United Kingdoms leading electrical engineering and building services contractors, founded in 1889 and headquartered in London. With annual revenue exceeding 500 million pounds, T Clarke provides commercial electrical installation, design-build electrical engineering, data centre power infrastructure, intelligent building systems, and energy management solutions. The company has worked on landmark projects including the Shard, the Olympic Park, and major NHS hospital developments.