Provides electricity to customers in Maryland, Ohio, Pennsylvania, Virginia, and West Virginia.

Provides electricity to customers in Indiana, Kentucky, Michigan, Ohio, Tennessee, Virginia, and West Virginia.

Natural gas utility serving customers in 12 states, mostly in the Southeast.

Provides electricity to customers in West Texas and Southern New Mexico.

Provides electricity to southwestern Missouri and parts of Arkansas, Kansas, and Oklahoma.

An over-the-counter broker of natural gas, electricity and coal. Includes links and information about industry transportation, production and generation, financial markets, weather forecasting and hedging.

Provides electricity to Idaho, Oregon, and Nevada.

Provides electricity to customers in western Missouri and eastern Kansas.

Natural gas utility servicing customers in New Jersey, Florida, North Carolina, Pennsylvania, and Maryland.

A power supply cooperative that supplies power to 14 locally owned electric cooperatives in Virginia, Maryland and Delaware.

Utility supplier of electric power and natural gas service in Colorado, Kansas, Michigan, Minnesota, New Mexico, North Dakota, Oklahoma, South Dakota, Texas and Wisconsin.