typically focus solely on parts and equipment. Exchangium supports the entire energy industry including gas, steam, wind, hydro, solar and nuclear power. Siemens Energy sponsors the platform and notable member companies include: BP, Calpine, Emerson, EthosEnergy, Siemens Gamesa, Engie, Lectrodryer, Groome Industrial Service Group, BNSF Logistics (a part of Berkshire Hathaway), Pioneer Motor Bearing Company, Entergy, Tata Power, AP+M, Caldwell Energy, Associated Electric Cooperative Inc, China National Offshore Oil Corporation, ExxonMobil and Duke Energy. As of June 2020 over 2300 companies hold memberships.