| source | facility | location |
| 0124010117 Z006 | DOMINION - WASHINGTON COMPRESSOR STATION | WASHINGTON COURT HOUSE |
| 0125102034 Z006 | DOMINION - GROVEPORT COMPRESSOR STATION | GROVEPORT |
| 0210000101 Z004 | DOMINION TRANSMISSION-CARROLL STATION | CARROLLTON |
| 0679000075 Z010 | DOMINION TRANSMISSION INC | PORT WASHINGTON |
| 1483000144 Z011 | DOMINION RESOURCES SERVICES INC | LEBANON |