| Duke Energy | Santee Cooper | ||||||||
| Carolina Power and Light | South Carolina Electric and Gas |
| AREVA (Now Schneider Electric) | Santee Cooper | ||||||||
| South Carolina Electric & Gas |
| IEEE/PES | ITRON |
| AREVA | SIEMENS |
| ELSTER | Duke Energy |
| Santee Cooper | South Carolina Electric & Gas |
| KEMA | Quanta Technology |
| GE | SEL |
| Alstom Grid | RTDS |
| ABB | |