George Polk

Powerspan Corp. develops and markets proprietary, multi-pollutant control, and carbon dioxide capture technology for electric power plants. Its electro-catalytic oxidation multi-pollutant technology provides high removal of sulfur dioxide (SO2), nitrogen oxides (NOx), oxidized mercury, and fine particulate matter (PM 2.5) from coal-fired power plants. The company was founded by Francis R. Alix, S. Edward Neister and Nathaniel M. Johnson in March 1994 and is headquartered in Portsmouth, NH.

The European Climate Foundation is an organization that promotes climate and energy policies. The non-profit company is based in The Hague, Netherlands. The Dutch company was founded by John H. McCall MacBain.

Catalyst LLC provides management consulting services. The company was founded on November 17, 2016 and is headquartered in Los Alamitos, CA.

Part of Spraying Systems Co., Cloud Co. is a manufacturer of high-quality rotary tank cleaning machines and equipment for tanks of all sizes. Cloud is based in San Luis Obispo, CA and was founded in 1953 by George Polk. The company's tank cleaning machines are used by some of the largest companies in the world. The company was acquired by Spraying Systems Co. on February 08, 2023.

Cool Planet Ltd. provides energy reduction solutions to the corporate, government and commercial market. Its products include CCubed, carbon control centre and ThermalServer, heat pump technology. The company was founded by Norman Vincent Crowley, Tom Crowley and Maire Lalor in January 2008 and is headquartered in Enniskerry, Ireland.

Rocky Mountain Institute is a non-profit organization that transforms energy use to clean and secure low carbon future. It engages in businesses, communities, institutions, and entrepreneurs to accelerate the adoption of market-based solutions that cost-effectively shift from fossil fuels to efficiency and renewables. It examining and facilitating market-based technology that will play a role in addressing the climate problem. The company was founded by Amory Lovin in 1982 and is headquartered in Basalt, CO.

The Cloud Networks Ltd. provides Wi-Fi technology. It builds and operates public access on cellular devices, such as smartphones and mobile devices like the iPad, iPod Touch, games consoles, MP3 entertainment devices, laptops or notebooks, Wi-Fi enabled cameras and other mobile Wi-Fi enabled devices. The company was founded by Niall Murphy and George Polk on May 28, 2004 and is headquartered in Middlesex, the United Kingdom.

Vanguard Renewables LLC develops food and dairy waste-to-energy projects. It offers Farm Powered Organics, a program which engages in recycling and renewable energy production to solve food waste challenges, generates renewable energy, and sustains farms. The company was founded by Kevin Chase and Per A. Suneby and is headquartered in Wellesley, MA.