| 1 | WDR | Jetride, Inc. d/b/a Air Net Private Charter | Callsign: Wind Rider, | USA | AVCODES |
| 2 | WDR | Air Net Private Charter | | | ICAO1 |
| 3 | WDRF | WOODRUFF ENERGY | | | SCAC4 |
| 4 | WDRM | WINDSOR BARREL AND DRUM LTD | | | SCAC4 |
| 5 | WDRN | WILDERNESS IMAGES | | | SCAC4 |
| 6 | WDRO | WINDSOR MOLD INC | | | SCAC4 |
| 7 | WDRR | WOOD, ROGER FOODS, INC. | | | SCAC4 |
| 8 | WDRX | WATER DIVISION RAILROAD OF ST. LOUIS | | | PWRC |
| 9 | WDRY | WIGGINS, DONALD RAY | | | SCAC4 |
