Our conference sponsors rank among the most distinguished, forward-thinking companies on Long Island. Leveraging a proven, successful history, they offer the expertise and vision to shape a more energy-efficient future for businesses. And they share PSEG Long Island’s mission to deliver clean, affordable, reliable solutions that benefit our customers and our world.


H2M architects + engineers (H2M), established in 1933 and celebrating their 85th anniversary, was founded on the principles of integrity and design excellence.  H2M is a multi-disciplined professional consulting and design firm housing over 390 architects, engineers (water/wastewater, civil/site, structural, M/E/P and environmental), planners, designers, inspectors, surveyors and scientists.

National Grid is an electricity, natural gas, and clean energy delivery company that supplies the energy for more than 20 million people through its networks in New York, Massachusetts, and Rhode Island. It is the largest distributor of natural gas in the Northeast.

Brothers Richard and Donald Rheem founded Rheem Manufacturing Company in Emeryville, CA, in 1925. While the company has produced a number of products in its nearly 100 years of operation, Rheem is currently the only manufacturer in the world that produces heating, cooling, water heating, pool & spa heating and commercial refrigeration products, and it is the largest manufacturer of water heating products in North America.

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