Lists

Top 10 Electrical Companies

A detailed list of leading commercial electrician companies.

Updated on

September 17, 2021

high voltage transmission line — A high voltage power transmission line. PHOTO | FILE

A detailed list of leading commercial electrician companies based on revenue and company size, including Quanta Services, MYR Group, Rosendin Electric, and MDU Construction.

To rank the electrical service companies, we considered the 2020 revenues as stated in the companies’ financial statements and information available in the public domain.

The 10 Top Electrical Companies in 2021

1. Quanta Services

Revenue in 2020: $11.2 billion | 2019: $12.1 billion

Based in Houston, Texas, Quanta Services is one of the largest commercial electrician companies in the world with annual revenues of more than $10 billion.

The American corporation provides infrastructural services for the electric, gas, and telecommunications industries.

The company has an extensive geographical footprint – from North America to Latin America to Australia. It employs more than 40,000 people.

Some of Quanta Services’ notable projects include the Entergy Lake Charles 230/500kV Transmission project, Labrador-Island Link Transmission Line, and Fort McMurray West 500-kVAC Transmission project.

2. EMCOR Group Inc.

Revenue in 2020: $8.8 billion | 2019: $9.2 billion

EMCOR Group, a U.S. firm based in Norwalk, Connecticut, provides electrical and mechanical systems-related services to commercial, industrial, utility and institutional clients.

The company, which emerged in 1994 as a result of the bankruptcy of JWP, Inc., has at least 80 operating companies in 170 locations – employing more than 33,000 people.

Some of EMCOR Group’s notable projects include the B2 Rocket Test Stand at the John C. Stennis Space Center in Hancock, Mississippi, Los Angeles Hall of Justice, and Miami Port.

3. MasTec

Revenue in 2020: $6.3 billion | 2019: $7.2 billion

Based in Coral Gables, Florida, MasTec is one of the United States’ top commercial electrician companies with annual revenues of more than $6 billion.

The company was founded in 1994 when Church & Tower Group bought 65% of the common stock of its predecessor – Burnup & Sims, Inc. – whose name was later charged to MasTec.

It employs more than 17,000 people.

Some of MasTec’s notable projects include the Taloga Wind Farm near Putnam, Oklahoma, Willows Solar Power Facility, and the North Valley Transmission Line in Arizona.

4. MDU Construction Services Group

Revenue in 2020: $5.5 billion | 2019: $5.3 billion

* Revenue for the parent company MDU Resources Group Inc.

MDU Construction Services Group, Inc. is an American energy and construction company based in Bismarck, North Dakota. It is one of the top electrical service companies in the U.S.

MDU Construction Services, a subsidiary of MDU Resources Group Inc., provides electrical line and pipeline construction, inside electrical wiring, and cabling services.

The company operates in 46 states and employs about 16,000 people.

Some of MDU Construction Services’ high-profile projects include Stillwater Geothermal Solar Hybrid Power Plant, University of Kansas Security Systems, and Avaya Lab Relocation.

5. Henkels & McCoy, Inc.

Revenue in 2020: $2.5 billion | 2019: $1.6 billion

Based in Blue Bell, Pennsylvania, Henkels & McCoy, Inc. is a privately owned American company providing infrastructure for power, communications, gas, and water industries.

Founded in 1923, the company has grown into one of the top electrical construction companies in the U.S. Its customers include government, utility, and commercial entities.

Some of Henkels & McCoy’s notable projects include the Keystone Pipeline and Community Access Television.

6. MYR Group

Revenue in 2020: $2.3 billion | 2019: $2.1 billion

Based in Rolling Meadows, Illinois, MYR provides a full suite of transmission and distribution capabilities to build power infrastructure across the U.S. and western Canada.

The company, whose roots date back to 1891, is one of the top commercial electrician companies in the U.S. with a workforce of more than 7,000 employees.

Some of MYR Group’s notable projects include Clover 345kV/138kV Substation, Lexington-Dooms Transmission Line, and Eastern Maine Medical Center.

7. Rosendin Electric

Revenue in 2020: $2.0 billion | 2019: $1.9 billion

Rosendin Electric, headquartered in San Jose, California, is employee-owned and one of the largest electrical contractors in the United States, with annual revenues of about $2 billion.

The company was founded in 1919 by businessman Moses Rosendin.

In 2000, Rosendin Electric employees completed their buyout of the Rosendin family – turning the business into the largest employee-owned electrical contractor in the U.S.

Rosendin Electric employs more than 6,000 people.

Some of its notable projects include Austin-Bergstrom International Airport, Las Vegas CityCenter, and the Anaheim Convention Center Grand Plaza.

8. Cupertino Electric, Inc.

Revenue in 2020: $1.4bn billion | 2019: $1.3 billion

Based in San Jose, California, Cupertino Electric is a privately owned electrical engineering and construction company operating throughout the United States.

The company provides electrical installation, engineering, energy, renewable energy solar plants, commercial projects, and data centers.

Some of Cupertino Electric’s notable projects include the City of Palo Alto, Los Angeles Dodgers Stadium, and Los Angeles International Airport Systems.

9. IES Holdings, Inc.

Revenue in 2020: $1.2 billion | 2019: $1.1 billion

Based in Houston, Texas, IES Holdings, Inc. (Formerly Integrated Electrical Services, Inc.) offers infrastructure services such as electrical, communications, network, and security alarm systems to residential, industrial, and commercial customers.

IES Holdings, Inc. operates in 114 locations with more than 5,000 employees across the United States, which makes it one of the leading electrical services companies in the U.S.

Some of its high-profile projects include the Linus Pauling Science Center at Oregon State University, the Valent BioSciences Industrial Plant, Medford PP Mix Spheres Project.

10. M.C. Dean, Inc.

Revenue in 2020: Undisclosed | 2017: $1.0 billion

Based in Tysons Corner, Virginia, M.C. Dean, Inc. is a family-owned construction electrical company providing design-build and systems integration services for complex projects.

The company employs more than 3,000 people.

Some of its notable projects include Washington Dulles International Airport, Dallas Veterans Affairs Medical Center, and the University of Maryland Health Science Facility.