See also:

• Regional: North America: United States: Business and Economy: Public Utilities  (11)
• Regional: North America: United States: Regions: New England: Business and Economy: Public Utilities  (1)

• Bangor Hydro Electric Company - Providing electrical service and support in the greater Bangor area.
• Central Maine Power Company - Serves electric customers by providing over 9 billion kilowatt-hours of energy a year. Offers other services through its affiliates, such as telecommunications, consulting, and utility services that cross state and national boundaries.
• Competitive Energy Services - Helps businesses in Maine save money on their electricity costs. Company licensed by the Maine Public Utilities Commission.
• Maine Public Utilities Commission - Regulates water, electricity, gas, and telephone utilities for Maine.
• Maine Yankee - Nuclear power plant that once was the state's largest single generator of electricity. Maine Yankee is now in the process of being decommissioned and officially is shut down.
• TDS Telecommunications - Independent telephone company in Maine. Company serves rural and suburban communities.