22 companies

Paradigm Power Delivery Inc.

Electrical contractor delivering power systems, substations, transmission lines and battery energy storage for utility, industrial and data center clients since 1991.

Tri-M Group

Employee-owned electrical construction and facilities services firm, founded 1964, delivering design, installation and service across high voltage, automation, telecoms, security and energy analytics.

Rosendin Electric

Rosendin Electric is the largest employee-owned electrical contractor in the United States, delivering electrical and communications installations across sectors including data centers, healthcare, and renewable energy.

Applied High Voltage

Applied High Voltage designs and builds high voltage substations, switchyards, collector systems, and transmission lines for power infrastructure clients in the United States and globally.

Advanced Electric Systems

Advanced Electric Systems tests, maintains, and repairs critical power infrastructure for utilities, energy contractors, and industrial businesses from its Utah base.

Electrical Consultants, Inc.

Electrical Consultants, Inc. (ECI) is an employee-owned power delivery engineering firm serving utilities, energy developers, and industrial clients across the United States.

S&C Electric Company

S&C Electric Company is a 100% employee-owned manufacturer of intelligent products and solutions for electrical power systems, focused on grid resilience and sustainability.

Electric Power Systems

Welty Energy

Welty Energy is an Akron, Ohio-based consulting firm providing engineering, project management, construction management, estimating and financial analytics for high-voltage transmission, distribution and substation projects.

Quanta Infrastructure Solutions Group, LLC

QISG delivers turnkey EPC, design-build, and CMAR infrastructure solutions for energy, electrical, wastewater, and specialty projects across North America.

American Electric Power

American Electric Power is one of the largest US electric utilities, operating the nation's largest transmission system across 11 states serving over 5 million customers.

McCall Thomas Engineering

McCall-Thomas Engineering is an employee-owned firm providing electrical, telecommunications, and civil engineering services to utilities and industrial clients in the Southeast United States.

Phasor Engineering Inc

Phasor Engineering Inc is a North American engineering firm providing end-to-end solutions for high-voltage substations, transmission lines, and distribution systems for utilities and industrial clients.

Knobelsdorff Enterprises

Industrial electrical contractor providing engineering, construction and field services in industrial electrical, automation, renewable energy and power services across the United States.

Seminole Electric Cooperative

Seminole Electric Cooperative is a not-for-profit generation and transmission cooperative that provides wholesale electricity to nine member distribution cooperatives serving nearly 2 million consumers in rural Florida.

Milhouse Engineering and Construction, Inc.

Milhouse Engineering and Construction is a multidisciplinary engineering, construction and program management firm serving utilities, power, gas and infrastructure clients across nine offices in three countries.

Electric Power Systems

Electric Power Systems is a NETA-accredited independent electrical testing and engineering firm providing acceptance testing, commissioning, and maintenance services across North America.

RESA Power

RESA Power provides mission-critical testing, maintenance, and life extension services for electrical power systems from over 40 locations in the US and Canada.

Electric Power Engineers

Electric Power Engineers is a global power systems engineering and consulting firm serving utilities, developers, and government entities across the energy ecosystem.

Hubbell

Hubbell is a long-standing manufacturer of electrical and utility infrastructure products serving sectors from power and renewables to healthcare and data centers.

Southern States, LLC

Southern States, LLC manufactures high-voltage switching, power protection, and grid automation equipment for electric utilities, and is the world's largest producer of high-voltage disconnect switches.

Electric Reliability Council of Texas (ERCOT)

ERCOT is the independent system operator that manages the electric grid and wholesale electricity market for 90% of Texas, serving over 27 million customers.