| 6004 | T | RSC East | RSC East | Utilities |
| 6006 | T | Hartford Disp | Hartford Dispatch | Utilities |
| 6007 | T | Hartford Ugnd | Hartford Underground | Utilities |
| 6008 | T | Madison Disp | Madison Dispatch | Utilities |
| 6009 | T | N.London Disp | New London Dispatch | Utilities |
| 6011 | T | Berlin Disp | Berlin Dispatch | Utilities |
| 6012 | T | RSO ZONE 1A | Regional System Operator 1A | Utilities |
| 6013 | T | RSO ZONE 2 | Regional System Operator 2 | Utilities |
| 6014 | T | RSO ZONE 3 | Regional System Operator 3 | Utilities |
| 6015 | T | RSO ZONE 4A | Regional System Operator 4A | Utilities |
| 6016 | T | RSO ZONE 5 | Regional System Operator 5 | Utilities |
| 6019 | T | West Dist Svc | Western District Service | Utilities |
| 6026 | T | RSO ZONE 1B | Regional System Operator 1B | Utilities |
| 6027 | T | RSO ZONE 4B | Regional System Operator 4B | Utilities |
| 6030 | T | West Ops | Western Operations | Utilities |
| 6202 | T | Radio Techs | Radio Technicians | Utilities |
| 6213 | T | Key Ops West | Key Operations West | Utilities |
| 6504 | T | Madison | Madison Unknown | Utilities |
| 6506 | T | Newtown | Newtown Unknown | Utilities |
| 6508 | T | Stamford | Stamford Unknown | Utilities |
