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.

Calsion serves as the solution provider and system integrator of various emergency/normal power supply, whose products include diesel genset, gas genset, DUPS, cooling system, control system, power distribution system, etc.

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.

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.

Hilton Cannon have a substantial wealth of experience in delivering integrated building services solutions, from the design, build, and maintenance of large-scale commercial & industrial projects, to individual building services installations. They can accommodate any requirement including Electrical Engineering installations within New Build Construction projects and Refurbishment schemes

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.

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 Europe Ltd. is a Climate Change Innovator, helping governments, cities and companies cut carbon emissions. They are committed to helping achieve a sustainable world and people's well-being by utilizing our breadth of digital and green technologies. They are working to connect solutions within Energy and Mobility, both physically and digitally, to deliver net-zero.

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.

Home Connectivity Alliance (HCA) is an appliance, HVAC, and TV manufacturers alliance that is focused on IoT and connectivity in the new digital landscape.

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.

Host City is a globally renowned magazine and conference organizers for cities, rights holders, organizers, venues and suppliers of major international events.

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.

HPL Electric & Power Ltd is a multi-product electric equipment company and is among the companies of India in the electrical equipment manufacturing segment with products ranging from LED Lightings, Industrial & Domestic Switchgears, Metering solutions, Wires & Cables, Modular Switches and Solar solutions covering the entire spectrum of commercial & industrial markets.

Hunt Electric is a national electrical design, build, and maintenance firm based in Bloomington, Minnesota. Hunt Electric has positioned itself as a pioneer in the most innovative, high-quality, and cost-effective electrical design-build efforts. Their commitment to cost-saving techniques, stringent safety practices, accuracy in estimating, and the implementation of new technologies makes us a unique and powerful electrical contracting company.

At IDE Electronics International they have been working in the automation industry for more than 30 years.

IDEC Corporation is a global manufacturer with locations throughout Asia, North and South America, Australia, and Europe. It assists customers with choosing the right programmable logic controllers (PLCs), operator interfaces (OIs), industrial LED lighting, switches, relays, power supplies, and more.

The Illinois Power Agency exists to serve the people of Illinois by overseeing the electricity planning and procurement processes for residential and small commercial customers of Ameren, ComEd, and MidAmerican. It also manages the implementation of the Illinois Renewable Portfolio Standard.

In-Charge Energy is on the frontlines of large-scale emissions reduction, accelerating the electrification of the transportation industry – one commercial fleet at a time. With end-to-end, turnkey solutions for commercial EV infrastructure projects,

Innovative Sensor Technology IST AG is one of the manufacturers of physical, chemical and biological sensors. Founded in 1991, the company is headquartered in Ebnat-Kappel, Switzerland, and employs about 500 people worldwide.

Integrated Utility Services (IUS) aims to be the UK's provider of power infrastructure for the public and private sectors. As a subsidiary of Northern Powergrid Holdings, IUS has built an outstanding reputation on the solid foundations of delivery excellence, while maintaining competitiveness in all utility and private infrastructure sectors.

Intelux Electronics Private Limited is a pioneer in Energy Saving Products and solutions. They are the World-Class manufacturer of Power Electronic and Lighting Product. They have effectively serviced our customers to save energy with quality output of Lighting and power for two decades.

Intermountain Power Agency (IPA) is located in the Great Basin region of western Utah, USA. They generate an average of more than 13 million megawatt hours of energy each year from their two coal-fired units. The energy is delivered over the project’s AC and DC transmission systems to 35 participants in the project that principally serve Utah and Southern California, USA.

International Brotherhood of Electrical Workers (IBEW) represents approx. 775,000 active members and retirees, who work in a wide variety of fields, including utilities, construction, telecommunications, broadcasting, manufacturing, railroads and government. The IBEW has members in both the USA and Canada, and stands out among the American unions in the AFL-CIO, because it is among the largest and has members in so many skilled occupations.

Backed by 45 years’ experience in the manufacture of frequency products, IQD is a recognized market leader in the frequency control market and part of the Würth Elektronik eiSos group, one of the leading European manufacturers of passive components. With active customers in over 80 countries, IQD offers one of the most comprehensive frequency product ranges available.

Irving Oil is a family-owned and privately held international energy company. For nearly 100 years, their commitment to doing good business has been grounded in their commitment to people – to their employees, customers, communities and partners.