| 1 | HPR | Rick Lucas Helicopters Ltd. | Callsign: Helipro, | NZ | AVCODES |
| 2 | HPR | Rick Lucas Helicopters | | | ICAO1 |
| 3 | HPRA | HOOPER, ROB ART | | | SCAC4 |
| 4 | HPRN | HEPTA RUN INC | | | SCAC4 |
| 5 | HPRO | HARTLEY PRODUCE | | | SCAC4 |
| 6 | HPRQ | HARPER TRANSFER & STORAGE INC | | | SCAC4 |
| 7 | HPRS | HENRIKSEN, PER STABLE | | | SCAC4 |
| 8 | HPRX | Hickok Producing Co. (General American Tank Car Corp.) | 8/1920-7/1923 | | NAKINA |
| 9 | HPRX | HICKOK PRODUCING CO. (GENERAL AMERICAN TANK CAR CO.) | | | PWRC |
