H2 PowerTech provides reformer, hydrogen production, and fuel cell technology along with product research and development services. This is based on a portfolio of technology developed over 17 years with over $200 million invested, resulting in over 200 patents to date.

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.

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.

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.

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.

HoloBuilder, Inc. is a San Francisco-based construction technology company that designs, develops, and sells enterprise SaaS software. HoloBuilder offers reality-capturing solutions for progress documentation and construction project management.

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.

For more than one hundred years, Hooper Corporation has been full-service electric, power and mechanical contractor. They are proud of what they have built and those they have partnered with.

The purpose of the Sustainable Energy and Environment Coalition is to advance policies that promote clean energy innovation and domestic manufacturing, develop renewable energy resources, and create family-sustaining clean jobs throughout the product supply chain.

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.

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.

Huston Electric, Inc. is a privately owned, fourth-generation, full-service electrical contracting company with divisions specializing in design-build and service work. Huston Electric, Inc. has three locations, Kokomo, Westfield and Lafayette, IN, to better serve our customers. Huston Electric, has three other Divisions, Huston Sign & Services, Huston Technologies and Huston Generator and Compressors.

Hydrogen Optimized is a Hydrogen Technology focused project company. They develop and implement projects for clients and partners using their innovative hydrogen capabilities. They work with clients and partners to move projects forward through conceptualization, commercialization and scaling in the market.

i-DE Redes Eléctricas Inteligentes SAU is located in Bilbao, Spain and is part of the Electric Power Generation, Transmission and Distribution Industry. They company has 3,378 employees at this location and generates US$ 2.29 billion in sales on average per year.

Iberdrola is a global energy leader and the number one producer of wind power, and one of the world's biggest electricity utilities, in terms of market capitalization. They have brought the energy transition forward two decades to combat climate change and provide a clean, reliable and smart business model.

With more than 180 years of history, Iberdrola SA is currently a global energy leader, a major wind power producer and one of the largest electricity companies in the world in terms of stock market capitalization. They have been committed to clean energy for more than 20 years with the objective of exceeding 52,000 MW of renewable capacity by 2025.

Boise, Idaho-based IDACORP is a holding company comprised of Idaho Power Company, a regulated electric utility; IDACORP Financial, a holder of affordable housing projects and other real estate investments; and Ida-West Energy, an operator of small hydroelectric generation projects that satisfy the requirements of the Public Utility Regulatory Policies Act of 1978.

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,

Insight EDA provides software that fills an unmet need for a worldwide customer base. The demand for electronic devices continues to increase globally. Manufacturers are forced to squeeze both performance and battery life as they compete with each other to create the "next best thing".

The Institute of Thin Films, Sensors and Imaging (ITFSI) is a research institute at the University of the West of Scotland, founded by Professor Des Gibson in September 2014. ITFSI specializes in thin films for various applications including medical devices, sensors, engineering, optics, electronic devices, and photonics.

Intermountain Electric, Inc. (IME), a Colorado corporation, has been committed to quality for 70 years. Since its formation in 1946, IME has established itself as a premier electrical contractor. With a vast array of resources, IME. provides the customers and clients with a trusted avenue for all electrical construction needs.

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.

Interplay Learning is a software company with a mission to deliver scalable and effective trades training. Interplay Learning creates modules and training for multiple industries including HVAC.

IonicBlue® is a joint venture between Johnson Controls, the global pioneer in delivering energy and infrastructure solutions, and Apollo Global Management a leading, global alternative asset manager. They deliver a total solutions approach through the expertise of Johnson Controls and the unmatched ability of Apollo to provide alternative capital solutions.

IPKeys Cyber Partners deliver impenetrable cyber security protections for North American power utilities, public safety organizations, and critical infrastructure providers. Its vision is to provide instantaneous detection, alerting, and resolution of cyber security and operational anomalies while streamlining critical infrastructure and operational compliance.

Joule Case provides patented, scalable energy solutions that empower mobility while minimizing emissions. Its battery systems are used by organizations and entrepreneurs to overcome energy infrastructure limitations, powering numerous applications that span settings ranging from live events to EV fleet extension and construction sites to curbside food and beverage entrepreneurs.

Kendall Electric is a full-line electrical wholesale distributor, serving the Industrial, OEM, and Construction markets since 1930. Through large inventories of quality materials, leading-edge technology, an efficient internal material transfer and delivery system, and expert personalized service, they have become a valuable partner for thousands of organizations.