Maryland
- Pepco 202-833-7500
- Baltimore Gas & Electric 1-800-685-2210
- Potomac Edison
- WSSC 301-206-4001
- Washington Gas & Light Co. 1-800-752-752
- Verizon 410-954-6260
- Comcast 1-800-266-2278
District of Columbia
- Pepco 202-833-7500
- DC Water & Sewer Authority 202-442-7520
- Washington Gas & Light Co. 1-800-752-7520
- Verizon 410-954-6260
- Comcast 1-800-266-2278
Virginia
- Dominion Power 1-888-667-3000
- Northern VA Electric Corp. 1-888-335-0500
- Virginia Energy Choice 1-866-366-4357
- Washington Gas & Light Co. 1-800-752-7520
- Prince William County Service Authority (Water) 703-335-7950
- Virginia American Water (City of Alexandria) 1-800-452-6863
- Fairfax Water 703-698-5600
