Mark Stiers

The Heat & Warmth Fund provides emergency utility assistance to Michigan residents in need. It collaborates with its partners to deliver services that support long term energy solutions. The firm provides energy assistance to low-income families and individuals during times of temporary financial crisis through local community agencies. The company was founded in 1985 and is headquartered in Detroit, MI.

DTE Gas Co. engages in the purchase, storage, transportation, distribution and sale of natural gas. The firm also operates natural gas storage and transportation facilities. The company was founded on January 11, 1898 and is headquartered in Detroit, MI.

Integrys Energy Services, Inc. markets electricity, natural gas, and alternative fuel products. The company was founded in 1994 and is headquartered in De Pere, WI.

DTE Energy Services, Inc. engages in the development, acquisition, building, and operation of resource projects. The company is headquartered in Detroit, MI.

DTE Energy Trading, Inc. buys and sells power and natural gas on the commodities markets. The company was founded 1995 in and is headquartered in Detroit, MI.

DTE Biomass Energy, Inc. operates landfills. The firm also offers landfill assessment, wellfield operation and maintenance and beneficial project design. The company was founded in 1988 and is headquartered in Ann Arbor, MI.