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.

Shermco is North America’s largest and fastest-growing electrical testing organization accredited by the InterNational Electrical Testing Association. Trusted since 1974, Shermco has you covered when it comes to electrical testing, maintenance and industry requirements. Shermco brings a comprehensive understanding of international electrical power standards and industry requirements combined with decades of customer experience.

SIGLENT TECHNOLOGIES is a pioneer in research & development, engineering, manufacturing, sales, and service support for electronic test and measurement equipment that combines innovative features and functionality with a strong commitment to quality and performance. SIGLENT is ISO 9001:2015 and ISO 14001:2015 Certified for its product quality and environmental management programs.

Sila Services is a pioneering home services platform, operating over 30 brands throughout the Northeast, Mid-Atlantic, and Midwest. The companies of Sila Services, with a history of people-focused trade industry leadership dating back to the early 1900s, offer a complete range of residential and commercial services in HVAC, plumbing, electrical, water treatment, and indoor air quality.

SimpliSafe designs home security systems that are wireless, cellular and so user-friendly they can be set up by anyone in minutes. An ever-expanding arsenal of sensors and the SimpliSafe security camera, SimpliCam provides all-encompassing protection, while integrated apps make comprehensive system control possible from anywhere.

Simpson Electric Company, Inc. has been a leader in the panel and test instrument industry since 1927. Currently, Simpson continues its commitment to quality and innovation and is dedicated to the highest level of customer service and company growth. They have expertise in producing analog / digital meters and test equipment. In addition, they offer circuit board assembly, cable assembly, lead assembly, shunt assembly, sand blasting, and etc.

SkyWater is a U.S.-based semiconductor manufacturer and a DMEA-accredited Category 1A Trusted Supplier. SkyWater’s Technology as a Service model streamlines the path to production for customers with development services, volume production and heterogeneous integration solutions in its U.S. facilities.

The Smart Electric Power Alliance (SEPA) is a non-profit organization that envisions a carbon-free energy system that is safe, affordable, reliable, resilient and equitable.

The Smart Electric Power Alliance (SEPA) is a nonprofit organization that envisions a carbon-free energy system that is safe, affordable, reliable, resilient, and equitable.

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.

Sodick has manufactured over 60,000 EDM machines and over 35,000 linear motor driven EDM machines. Sodick machines are used for the production of dies and molds and other various applications, which cannot be produced by standard machining methods.

Solar Electric offers complete grid-tie, stand-alone and interactive grid-tie with back-up solutions for residential, commercial industrial and government projects in the United States and abroad.

Solaria's mission is to redefine rooftop solar with breakthrough technology and products, delivering premium, high-performance solar and excellent customer experience.

Solect Energy is a provider of solar and energy storage solutions for businesses, schools, cities, towns, and nonprofits in the Northeast, with 800+ installed projects totaling 160+ MW. Through their team of experts in development, technology, policy, incentives, and financing, they offer a comprehensive approach to helping clients reduce energy costs and optimize their solar and storage investments.

Son Light Construction Inc designs, installs, finances and maintains residential and commercial solar power systems from their hometown of Bakersfield CA.

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.

South Plains Electric Cooperative provides safe, reliable electric service at the lowest possible cost, but more importantly, they are committed to making life better the cooperative way!

STEC's mission is to provide the infrastructure and services to deliver reliable and economical electric power to a diversified membership.

Southern California Edison (SCE) is a major electric utility dedicated to providing clean and renewable energy, along with various services that include energy storage solutions and incentives for energy-efficient appliances. The company focuses on modernizing the energy infrastructure and offers programs to help customers manage their electric bills effectively.

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.

The mission of Southern Pine Electric’s board of directors and employees is to enhance the quality of life of the members and community by safely providing reliable electric energy at an affordable price.

Southern Trust Home Services is a leading electrical, HVAC, and plumbing company serving southwest Virginia.

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.

Southwest Electric Vehicles, LLC is a prominent electric vehicle dealer and distributor strategically headquartered in Avondale, AZ. SWEVs provides, promotes, and sells the finest products while providing best-in-class customer service.

Southwest Industrial Electric has emerged as the leading partner for electrical solutions, with more than 1200 projects a year delivered to a dynamic and diverse clientele ranging from aerospace industries to refineries to media studios.

SWEPCO serves over 200 communities on its lines, representing a diverse 33,000-square mile service area of northern and central La., east and north Texas, and western Arkansas with a population of two million. There are 1,640 company employees supplying electricity to over 520,000 customers over 5,000 miles of transmission lines and about 25,500 miles of distribution power lines.

At Sparrow Technologies they strive to provide superior technology services and solutions with a fervent dedication to complete customer satisfaction. Their top priority and they strive to delight every customer with the level of dedication to their complete satisfaction.

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.

Stack Heating & Cooling provides unparalleled HVAC services for residential and light commercial customers in the Cleveland, Ohio, area.