Virginia Utilities

Electric

Dominion Virginia Power

Northern Virginia Electric Cooperative

Gas

Washington Gas Company

Columbia Gas of Virginia

Phone/Cable

Comcast

Cox

Verizon

Washington DC Utilities

Electric

Potomac Electric Power Company (PEPCO)

Dominion Power

Gas

Washington Gas

Phone/Cable

Comcast

RNC

Verizon

Maryland Utilities

Electric

Baltimore Gas and Electric (BGE)

Potomac Electric Power Company (PEPCO)

Delmarva Power

Potomac Edison Company

Southern Maryland Electric Cooperative, Inc. (SMECO)

Choptank Electric Cooperative

Gas

Baltimore Gas and Electric (BGE)

Washington Gas

Columbia Gas

Phone/Cable

Comcast

Verizon