DTE Energy Company is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services nationwide. Its operating units include an electric utility serving customers in Southeastern Michigan and a natural gas utility serving customers in Michigan. The DTE Energy portfolio includes non-utility energy businesses focused on power and industrial projects, natural gas pipelines, gathering and storage, and energy marketing and trading. As one of Michigan's leading corporate citizens, DTE Energy is a force for growth and prosperity in the Michigan communities it serves in a variety of ways, including philanthropy, volunteerism and economic progress.