Granite City Electric Supply is the area's premiere electrical distributor with 27 branches covering Massachusetts, Rhode Island, New Hampshire, Vermont, and Connecticut.

GravitHy accelerates the decarbonization of the steel industry, by eliminating the CO2 emissions in the iron production step, currently responsible for approximately 80% of the CO2 in the production of steel. GravitHy will produce renewable and low carbon Hydrogen (H2) for use in the production of decarbonized Direct Reduced Iron (DRI) or Hot-Briquetted Iron (HBI), supplied globally to steelmakers.

Graybar, a Fortune 500 company, specializes in supply chain management services, and is a North American distributor of high quality components, equipment, and materials.

Green Mountain Electric Supply is a third generation-family owned Vermont-based business. Green Mountain Electric Supply is an electrical distributor serving contractor, industrial, and municipal markets. Green Mountain has been serving the Northeast for over sixty years.

Gregory Electric excel as a strategic partner in the design, installation, and service of energy and infrastructure. With a 70-year history and a reputation for safety and reliability, they are a Southeast leader licensed in 15 states.

Greiner Electric is a full-service licensed and insured electrical contractor capable of handling all of the electrical needs throughout Colorado and Wyoming.

Gross Electric has been one of Northwest Ohio & Southeast Michigan’s independent electrical and lighting distributors. Their lighting showrooms and electrical supply counters service a wide range of contractor, commercial, institutional, and retail customers.

GSL Electric’s expertise in pre-construction, value engineering, design-assist, and design-build services has led us to successfully establish our unique and diverse project portfolio.

GTAT is a producer of high-quality crystal materials for applications as diverse as advanced semiconductors, high-energy lasers, and aerospace/defense windows. Silicon carbide (SiC) is produced in Hudson, New Hampshire. This advanced material is used in the production of semiconductors that have capabilities that far exceed those of basic silicon.

Guarantee Electrical is a full-service electrical contractor since 1902 providing capability, performance, and legendary innovation in new construction, design-build, design-assist, low-voltage, building management controls, emergency service, building maintenance, and troubleshooting. We also offer expertise in energy savings and energy management solutions.

A full service electrical contractor since 1902 providing capability, performance, and legendary innovation in new construction, design-build, design-assist, low-voltage, building management controls, emergency service, building maintenance, and troubleshooting. They also offer expertise in energy savings and energy management solutions.

Hammond Power Solutions is a North American leader for the design and manufacture of dry-type standard and custom electrical engineered magnetics, liquid filled and cast resin transformers. Leading edge engineering capabilities, high quality products, and responsive service to customers’ needs have all served to establish HPS as a technical and innovative leader in the electrical and electronic industries.

At Handyside Plumbing, HVAC & Electrical, they are a family owned and operated plumbing, heating, air conditioning and electrical business in Etters, PA. Giving their customers the friendly personal service of yesterday with the technical know-how of a constantly changing profession is just a sample of what makes them special.

Harbor Electronics began fabricating highly specialized printed circuit boards for the ATE industry in 1995. Headquartered in Santa Clara, California, Harbor Electronics is world renowned for being a leader in advanced printed circuit boards for the semiconductor test market.

Hardwire Electric, LLC was established in 2017 but the experience in the field behind the company spans over 20 years. From day-to-day service calls to working on multi-million dollar homes, our experience, work ethic, and relationships in the field have all helped build this business and we look forward to continuing to help others.

Harlan Electric Company (Harlan Electric) has successfully completed hundreds of substation, transmission line and distribution system projects throughout the upper Midwest and northeastern United States. Harlan Electric delivers a complete range of services including power line construction, telecommunications infrastructure, emergency restoration and traffic signalization for new construction

Harmon Solar, a division of Harmon Electric, is Arizona's most reliable solar installer. They specialize in customized solar systems for commercial and residential applications. They provide an impressive full-service resource to complete the solar project.

Harris Electric expanded again in the late 1930s when Vic Sundholm joined the firm. Soon, industrial design and large vessel wiring emerged as two other services for which Harris Electric became known.

Hatzel & Buehler was one of the first electrical construction companies in the US. The firm provides electrical design, construction, engineering, integration, and maintenance services. Projects range from simple service calls to complex, multi-phased design-build projects nationwide.

Inspired by an enlightened king more than a century ago, Hawaii was an early adopter of electricity to light homes and power industry. The ingenuity in creating and delivering power on these isolated islands is a unique story of innovation, connectivity and progressive thinking that continues today.

Hawkeye Electric is a commercial, residential, and industrial electrical contractor located in Cedar Rapids and Dubuque, Iowa.

Hayward Tyler designs, manufactures and services performance-critical electric motors and pumps for high-pressure, high-temperature applications in the harshest environments across the global energy industry.

Hein Electric Supply is Southeast Wisconsin's largest independent electrical wholesale distributor. Since 1946, they have grown from their original branch on 6th & Wells in Downtown Milwaukee, to 9 strategic locations throughout Southeastern Wisconsin including Downtown Milwaukee, Grafton, Menomonee Falls, Oak Creek, Oconomowoc, Pewaukee, Waukesha, West Allis, and West Bend.

Helios Electric delivers tailored solutions to meet their complex needs during all phases of electrical engineering and construction. Utilizing over 30 years of experience in industrial, utility, commercial, and mission-critical systems, they recognize the needs of discerning customers and know what it takes to get the job done right for them.

Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States. An established industry leader, Helix Electric has decades of experience and expertise in nearly every field of construction, including mission-critical, data center, medium voltage power distribution, renewable energy, commercial, industrial, mass transit and rail, and high-density residential

Hellman Electric Corporation is one of the metropolitan region's largest heavy construction commercial and industrial electrical contractors. The firm is a member of the International Brotherhood of Electrical Workers, Local Union 3, and is recognized as a pioneer in electrical construction for heavy construction projects.

Hercules Electric Mobility is bringing powerful and scalable recreational electric mobility without range anxiety to power a new generation of electric boats! They have fully integrated solar charging, as part of their modular propulsion technologies for marine and recreational propulsion, scalable up to 1000HP, and bringing the first solid-state battery to the marine mobility market.

Hexagon Energy is an independent energy development firm. We believe that the path to a clean energy future requires a range of new sources and technologies. They develop projects across six diverse energy solutions with one common goal—powering a clean future.

HIGHPOINT ELECTRIC are a commercial and industrial contractor dedicated to providing the best in electric installations, engineering, construction, controls and communications throughout Michigan. Because they are exceptionally well diversified, they can provide clients with total turnkey electrical solutions through their expertise in engineering, construction, controls and communications.

Hill Electric Company are an Industrial Electrical Contractor providing installations of Manufacturing Process and Auxiliary Equipment. Their services include Service Entrance (MV and LV), Power Distribution, and Process Equipment power/control/instrumentation/data.