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.

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

HAYSYS is a business that has been providing Electronic Engineering services for over 20 years. In this time the company has continued to grow, and in addition to its success in the Air Traffic Management sector, diversifying to include products and services provided to the Electricity Network Distribution sector.

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.

HBL Power Systems Ltd is an Indian engineering company listed on Indian stock exchanges. They have been in business since 1977, with a focus on manufacturing-led R&D, driven by their choice for businesses with high technological barriers and / or engineering intensity.

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.

Heath Electrical Services is a family run business with over 80 years of combined electrical experience. The team are NICEIC approved contractors, being assessed on a regular basis to ensure they are competent and capable of meeting the relevant technical and safety standards.

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.

Heinemann offers a wide range of OEM circuit protectors, with ratings from 0.01 to 1200 amperes. Their applications include computers, healthcare equipment, pleasure boats, and naval vessels, communications systems, electric locomotives and space vehicles.

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.

Heliox provides world-class smart energy management solutions that are tailored and scalable within a fast-changing e-mobility landscape. Heliox working toward a sustainable world where a seamless charging experience is the standard for every electric vehicle, and this transforms the way power every day.

HELLA’s business is based on two pillars: Vehicle lighting and illumination technology and vehicle parts trading. In addition, HELLA manufactures solutions for driver assistance, climate control systems and other electronic automotive applications. HELLA employs 36,000 people. In the future, the company will be part of the French automotive supplier Faurecia.

HELLA is a global, family-owned company, listed on the stock exchange, with more than 40,000 employees at over 125 locations in more than 35 countries. HIA offers automotive product and system solutions in areas of body electronics, energy management, steering systems, sensors and actuators to the passenger and commercial vehicle segments.

The HELUKABEL brand stands for quality, reliability and innovation. With a company history of over 40 years, they’ve steadily acquired a broad spectrum of expertise and in-depth knowledge in many industries and key technologies.

Henan Pinggao Electric's products are widely used in China’s key power projects, Pinggao has ever provided the transmission and distribution equipments to national’s key projects, such as, the first of their 550kv high-voltage AC transmission project, the first 750kv UHV AC transmission project, the first intelligent demonstration project with the highest voltage level - 750kv Yan’an transformer substation.

Henan Senyuan Electric Co., Ltd. with around 8600 staff and a yearly turnover of 3 billion USD, mainly dedicated to the manufacture of intelligent high, medium, and low-voltage electricity generation, transmission and distribution facilities.

Hengdian Group is mainly engaged in the research and development, production, sales and services of four major industry products, including electrical and electronics, medical health, film and television, culture and tourism, and modern services.

The Gustav Hensel GmbH & Co. KG is a company specializing in the manufacture of innovative electrical installation and power distribution systems for facility equipment of buildings. Founded in 1931, Hensel represents a company group that is active worldwide and has about 900 employees, 600 of which are in Germany.

HERE Technologies is taking the way to a safer, greener future. The location platform is integrated into more than 160 million vehicles across the planet, using fresh and accurate data that they have been building for over 35 years – and continue to refresh daily.

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.

Based in Merseyside, UK, Heywood Electrical has been growing and expanding as an electrical contractor and maintenance service provider covering Liverpool, Knowsley, St Helens & Warrington. Their quality service and reputation has been built up by meeting demanding client requirements and supporting their business objectives. The company has an excellent reputation for providing a quality of service that other companies struggle to match.

HFCL is a global technology company connecting billions of people, devices, and systems. For over 30 years, they have driven business transformations by harnessing the power of connectivity. They design, integrate, and deliver next-gen technology products and solutions. They believe in fostering innovation and collaborating with global partners to deliver accessible data network solutions to everyone.

HI - AL NUAIMI ELECTRICALS LLC was founded in 1997 in the Emirate of Ras AI Khaimah Special Graded A, to attend Consultancy, Electrical Contracting and Trading Works, with major emphasis on High Voltage, Medium Voltage and LV. Power Distribution, underground cable networks, substations and Transmission Line Works.

HVEPL is a trusted name for locomotive transformer manufacturer & repair, for CTs & PTs manufacturing upto & including 66 KV class & repairs upto 220 KV class & for manufacturing & repairs of Power & Distribution Transformers upto 200 MVA & 220 KV class . Facilities will shortly be augmented to handle 220 KV class transformers.

Highly group is a leading supplier of AC compressors, high-efficiency air conditioner compressors, and Refrigeration related products. Human Resources Management at HIEC assumes that Human Resources are the most valuable asset to the organization and their contribution is of prime importance to the successful achievement of Organizational and business objectives.

HighnessMicro is a vertically integrated company. From electronic parts & components distribution and trading firm to being a manufacturer of Digital-Imaging solutions. Our quest of enhancing in-house capabilities and continued investment in man-&-material has allowed us to reduce dependencies to minimal.

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.

Hilkar is a privately owned corporation with proven experience in developing, testing and delivering cutting-edge products that are relevant to their customer’s needs. By employing a diverse and highly trained team of engineers and technical experts, Hilkar draws from this collective manufacturing experience and maintains the highest level of production quality and standards.

Hindalco Industries Limited is the industry leader in aluminum and copper. With a consolidated turnover of US$18 billion, Hindalco is the world’s largest aluminum rolling company and one of Asia’s biggest producers of primary aluminum. Its state-of-art copper facility comprises a world-class copper smelter and a fertilizer plant along with a captive jetty. The copper smelter is among the world’s largest custom smelters at a single location.