Pedernales Electric Cooperative (PEC) is the largest distribution electric cooperative in the U.S. They serve approximately 1 million Central Texans across an 8,100-square-mile service area, growing at a rapid pace, year over year. Since their founding in 1938 by then-Congressman Lyndon B. Johnson, it has been their mission to provide safe, reliable, low-cost power to the members they serve.

Pieper Electric, Inc. is one of the largest privately held electrical contractors. Since 1947, they are a full-service electrical/mechanical, construction, and service company with divisions based in Wisconsin with affiliates throughout the United States. Pieper is a large contractor divided into small, highly specialized units, offering widest range of services in electrical and mechanical, plumbing & HVAC.

Platt is a value-added service company that supplies a broad range of high-quality products and services to the utility, industrial, electrical, construction, solar, datacom/security, and commercial markets.

Prestolite Electric is a global manufacturer and supplier of alternators, starters, auxiliary electrical equipment, and services to the transportation, industrial and military industry. Prestolite has a strong heritage dating back to 1911, and includes the Leece-Neville, Motorola, Butec, and Lucas CAV brands, resulting in a long history of engineering excellence and innovative products.

Probst specializes in high-voltage transmission line construction, along with design-build, and maintenance services for both the public and private sector utilities

Rayburn Electric Cooperative provides wholesale electrical power through Power Purchase Agreements (PPA), purchases of blocks of electricity on the open market, and through their ownership interest in the Freestone generating facility in Freestone County, Texas.

RBT Electric is a Southern California-based full-service electrical contractor. They specialize in multi-family, commercial, and green technologies.

Redwood Electric Group has provided electrical construction and design services since 1974. They have over 1200 employees and revenues exceeding $450 million. Their business continues to reflect strong growth through innovation and the team's commitment to exceeding customer expectations.

Robinson Electric has grown from a local “mom and pop” residential electrical service to a multi-state contracting firm serving industrial, commercial, agricultural, and institutional customers

At Rockwell Automation, they connect the imaginations of people with the potential of technology to expand what is humanly possible, making the world more intelligent, more connected, and more productive.

Rogers is the facility service provider for all of the electrical, lighting, HVAC, plumbing, and distribution service needs. With over 35 years of experience, their highly trained technicians and fully stocked fleet guarantee they meet the requests in a timely and cost-effective manner while delivering top-quality service.

Rural Electric Supply Cooperative (RESCO) is a member-owned, not for profit wholesale distributor of high voltage electrical products servicing the electric utility industry. As one of the largest full line distributors in the Midwest, they provide strength in numbers with competitive pricing, coordinated and efficient delivery and top rated customer support.

Rye on the belief that they can go beyond traditional construction. They're committed to reducing the time and cost it takes to build by 50% within the next ten years.

S&C Electric Company is a provider of switching, protection, and control solutions for electric power systems. Headquartered in Chicago, S&C is applying its heritage of innovation to address challenges facing the world’s power grids and thus shaping the future of reliable electricity delivery.

Sanmina Corporation is an integrated manufacturing solutions provider serving the fastest-growing segments of the global Electronics Manufacturing Services (EMS) market.

Select Electric, Inc. is full service transportation electrical contracting firm with expertise in - Highway, Traffic signal, Intelligent Transportation Systems, Traffic Control & Detection, Street Lighting, Light Rail & Airfield Ground Traffic Systems.

Seneca, an Arrow Electronics company, powers digital media and security installations. Seneca builds innovative video appliances and proprietary software tools that underpin the successful deployment, capture, and management of state-of-the-art video content at the Edge.

Sensor Electronics Corp. is a renowned provider of digital gas detection systems that monitor combustible gas, toxic gas, and oxygen deficiency. They also manufacture toxic and explosive gas detectors, along with gas analyzers with over 75+ gas sensors.

Serve Electric has served thousands of industrial customers over 20 years by continually responding, adapting, and learning. They have and will continue to push the industry standard beyond the bar once set.

Shepherd Electric Supply is the oldest wholesale electrical distributor in the Baltimore/Washington area. Independent and American-owned, they pride themselves on exceptional customer service and the most extensive inventory in the area.

Snyder Air Conditioning, Plumbing & Electric has served Jacksonville and surrounding communities since 1973. Its team strives to keep the clients comfortable at home by offering air conditioning, heating, plumbing, and electrical services.

South Central Electric Provides superior electrical contracting services for apartment complexes nationwide. With over 75 years of combined experience, the team of experienced master electricians, along with a well-developed group of foremen and journeymen, work with the general contracting clients to lead them through every step of the installation process.

Southern Company leverages their distributed energy infrastructure company and other innovative technology to better serve every customer. Their competitive, national generation company serves wholesale customers, and the family includes a fiber optics network, and telecommunications services.

Southern Electric and Controls, LLC is a Tennessee-based, Multi-State licensed electrical contracting company. Its specialty is in the commercial and industrial electrical field.

Southside Electric Cooperative serves 55,000 homes & businesses in 18 counties across central & southside Virginia. Their 4 district offices are located in Altavista, Dinwiddie, Powhatan & Crewe.

Sprig Electric is an electrical contractor specializing in design-build services for electrical, low voltage, controls, fire & life safety, and energy solution systems.

Springfield Electric has focused on providing value to each customer throughout the electrical supply chain. The company has strategically expanded to include distribution centers throughout the Midwest to better serve all customers.

Starr Electric Company, Inc. is one of the largest and oldest commercial and industrial electrical contracting companies in the southeastern U.S.

State Electric has evolved into one of the nation's largest and best-known electrical distributors, with more than 600 employees at 40 branch locations servicing 7 states.

Taylor Electric Company is the oldest African-American-owned and operated construction firm in Chicago. TEC is a full-service electrical contractor performing residential, commercial, industrial, and maintenance work.