| COLT TECHNOLOGY SERVICES A/S | Tele |
| Ørsted Wind Power A/S | Electricity |
| N1 | Electricity |
| Energinet - EL | Electricity |
| SHEFA | Tele |
| Energinet - Gas | Gas |
| TELIA CARRIER DENMARK A/S | Tele |
| Global Connect | Tele |
| Vores Elnet | Electricity |
| Global Connect Sweden AB | Tele |
| Nord Stream | Gas |
| Konstant Net A/S | Electricity |
| WIND ESTATE A/S | Electricity |
| SEAS NVE A/S | Electricity |
| Flow Elnet A/S | Electricity |
| Statnett | Electricity |
| Nordlys A/S | Electricity |
| Nordlys A/S | Tele |
| TDC A/S | Tele |
| Tele Greenland A/S | Tele |
| VATTENFALL VINDKRAFT A/S | Electricity |
| Cinia Oy | Tele |
| RAMBØLL DANMARK A/S | Associated member |
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| Alcatel Submarine Networks DENMARK | Tele |
| Aqua Comms Denmark ApS | Tele |
| A/S Dansk Shell | Gas |
| Maritime Assistance Service | Associate Member |
