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.

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.

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

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.

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

HIPOWER SYSTEMS builds and customizes backup generators, diesel generators, natural gas generators, and alternative bi-fuel generator sets from 8kW to 3MW with a complete range of accessories, including automatic transfer switches, paralleling switchgear, UL tanks, enclosures, and power distribution equipment.

Hirschmann is the technology and market leader in industrial networking solutions. Hirschmann offers a complete, integrated structure for data communication throughput that truly protects their investment.

Hitachi commits to helping achieve a sustainable world and people's well-being by utilizing their breadth of digital and green technologies. Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. They work to apply their expertise in information technology (IT), operational technology (OT), and a wide variety of products to advance social infrastructure systems.

Hitachi Astemo, Ltd. mission is to work on solving various social issues and to create a better future by providing advanced mobility solutions. In addition to reducing traffic accidents and traffic congestion, we aim to reduce the burden on the environment by cleaning exhaust gas and improving fuel efficiency to contribute to the realization of a society that is both people- and eco-friendly.

Hitachi-Comark is a highly specialized company with more than 50 years of continuous activity and experience in the field of high power RF Technology.

Hitachi Vantara are a globally renowned company in powering global, mission-critical digital and industrial environments. They guide customers from what’s now to what’s next by solving their digital challenges. Services provided include - Enterprise Storage Solutions, Internet of Things, Big Data, Flash Storage, Cloud Infrastructure, Content Mobility, Digital Transformation, and Storage Software Solutions.

HMT Electric Inc. specialize in electrical installations for high-rise construction projects that utilize a cast-in-place concrete design. HMT ELECTRIC INC. was established in February of 2007. After many years of running high-rise divisions for other electrical contractors,

Homer Electric Association, Inc. (HEA) is a member-owned electric utility serving the central and southern areas of the Kenai Peninsula in Alaska. The Cooperative provides affordable, reliable, quality energy services to its members and is governed by a nine-member elected Board of Directors.

Honeywell is a Fortune 100 company that invents and manufactures technologies to address tough challenges linked to global macrotrends such as safety, security, and energy. With approximately 110,000 employees worldwide, including more than 19,000 engineers and scientists, it has an unrelenting focus on quality, delivery, value, and technology in everything it makes and does.

Housing Solutions provide good quality, affordable homes to rent and buy across the South East of England. They own, manage and maintain more than 7,500 homes, across seven local authorities in and around the Maidenhead area. They offer a wide range of housing options, including affordable homes to rent, properties to buy under shared ownership, market rent properties and specialist accommodation for older people and people who need care.

Howe Electric began as a small electrical contracting business in 1949 in Fresno, California. It was incorporated ten years later as Howe Electric, Inc. They provide Electrical Engineering (Design), Electrical Engineering (Design-Build), BIM Solutions (Building Information Modeling), Design-Build Construction, Value Engineering, Construction Management, Net Zero Energy, Electrical Engineering and much more.

HP Inc.'s vision is to create a world where innovation drives extraordinary contributions to humanity. This vision guides everything they do, how they do it, and why they do it. Their technology – a product and service portfolio of personal systems, printers, and 3D printing solutions – was created to inspire their vision and they are doing everything in their power across climate action, human rights, and digital equity to make it so.

HSI Sensing provides custom and standard switching and sensing solutions. HSI Sensing manufactures reed switches and proximity sensors. These devices complete electrical circuit paths when magnetism is placed close to the switch or sensor. Their production process is precise and known for making the most difficult types of switches.

Hub Energy are an experienced, award winning, Yorkshire-based Solar PV and energy efficiency provider. Their projects cover domestic, commercial sector and large-scale investment projects from concept through to installation and aftercare. Hub Energy have a proven track record designing and installing Solar PV systems and have excellent customer satisfaction because of our customer first approach.

Take the project from dream to reality with technologically advanced solutions and a superior and well-trained workforce from Huen Electric. Founded in 1983, they are an electrical construction and engineering firm with offices in Chicago, New York, and New Jersey. For quality, success and cooperation.

Hugh O’Kane Electric Company has delivered telecommunications installation, electrical maintenance services, and electrical contracting for businesses and institutions in the New York City area. HOK’s technicians are knowledgeable about NYC’s electric and telecommunications infrastructure, and the expansion of 5G and Wifi services in NYC.