List of agencies in Maryland
- Delmarva Power office in Salisbury (21801)
- PEPCO office in Forestville (20747)
- PEPCO office in Rockville (20850)
- Choptank Electric Cooperative office in Denton - Meeting House Road (21629)
- Choptank Electric Cooperative office in Salisbury (21801)
- Choptank Electric Cooperative office in Berlin (21801)
- Southern Maryland Electric Cooperative office in Leonardtown (20650)
- Southern Maryland Electric Cooperative office in Prince Frederick (20678)
- Baltimore Gas & Electric Co. office in Baltimore (21201)
- Potomac Edison office in Williamsport (21795)
- PEPCO office in Washington, D.C. (20001)
- Choptank Electric Cooperative office in Denton - River Road (21629)
- Southern Maryland Electric Cooperative office in Hughesville (20637)
- Hagerstown Light Department office in Hagerstown (21740)
- Berlin Municipal Electric Plant office in Berlin (21811)
- Delmarva Power office in Wilmington (19899)
- Thurmont Municipal Light Co. office in Thurmont (21788)
- Williamsport Municipal Electric Light System office in Williamsport (21795)
- Easton Utilities Commission office in Easton (21601)