| 1 | NRG | Ross Aviation, Inc. | Callsign: Energy, | USA | AVCODES |
| 2 | NRG | Nationale Regionale Transport | Founded in 2000. | G | AVCODES |
| 3 | NRG | Ross Aviation | | | ICAO1 |
| 4 | NRGA | NORIEGAS TRUCKING | | | SCAC4 |
| 5 | NRGC | N R G CARRIERS INC | | | SCAC3 |
| 6 | NRGC | NRG TRANSPORT | | | SCAC4 |
| 7 | NRGD | NORGAARD TRUCKING | | | SCAC3 |
| 8 | NRGI | NRG, INC. | | | PWRC |
| 9 | NRGI | NORRIS GRAIN & TRANSPORTATION INC | | | SCAC3 |
| 10 | NRGU | RIGTRANS INTERMODAL LIMITED | | GB | BIC |
| 11 | NRGX | NRG Energy, Inc. | added 4/2007 | | NAKINA |
| 12 | NRGX | NRG ENERGY, INC. | | | PWRC |
| 13 | NRGX | NRG ENERGY INC | | | SCAC4 |
