H2 Energy AG's team of experienced entrepreneurs and proven technology experts have many years of experience with hydrogen technologies and know the underlying economic relationships in detail. This combination of economic and technical expertise makes H2 Energy a reliable partner for projects involving renewable hydrogen and its applications.

HAAS Alert's digital alerting solution Safety Cloud is a breakthrough evolution in emergency alerting, bringing critical real-time connectivity to roads and transforming emergency alerting for a new century. Emergency lights have been the primary tool used by emergency fleets and road operators to notify drivers since the early 20th century. Emergency lights have become less effective.

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.

Hanson Electrical Ltd. has been the name to trust for great products and great service by generations of people in Hull and the East Riding. The company was established in 1986 and has so far sold appliances to over a million satisfied customers.

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.

Since 1960, Harger has been providing solutions to the lightning protection and grounding industries. They have experience in all facets of these markets, including engineering, systems design, product manufacturing and installation. Their engineering department provides design services for engineers and contractors domestically, as well as internationally.

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.

Since 1999, they have provided a wide range of services for energy and civil infrastructure projects. Their team brings decades of experience in the fields of civil and electrical construction, engineering, project management, and project development & finance. They have extensive expertise in effectively managing a unionized labor force.

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.

At HD Supply, they believe that their core purpose is to improve their associates’ lives and equip them with the tools needed to provide exceptional customer experiences every day. With more than 80 years of experience and one of the largest industrial distributors in North America, they enable their customers’ success by consistently delivering what they need, where and when they need it.

HDBaseT is the global standard for the distribution of ultra-high-definition video & audio, Ethernet, controls, USB and up to 100W of power over a single cable, for up to 100 m/328 ft. HDBaseT eliminates cable clutter without compromising performance or high quality.

Heart Utilities Inc was founded to bring cost effective contracting solutions to the electric industry along the east & gulf coasts. Since inception safety and quality have been placed first above all else. These philosophies have brought a company that in it's infancy was comprised of a mere five employees, a pickup and a boom truck to a thriving electrical contractor.

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

Helleniq Energy is one of the pioneering energy groups in South East Europe, with activities spanning across the energy value chain and a presence in six countries. The Group’s main activities include Refining, Supply, and Trading of petroleum and petrochemical products, Fuels Marketing both in Greece and internationally, Renewable Energy Sources, Power Generation & Trading, as well as Supply, Distribution, and Trading of Natural Gas.

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.

No matter what problem users are having with the plumbing in their Denver home, High 5 Plumbing can help. Whether they need help with the sewer line, drains, water heater, or any other part of the home plumbing system, they are on hand to help the users.

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.

Hilscher-Clarke Electric Company is a full-service electrical contractor, with more than 100 years of experience in the commercial, industrial, and residential markets