| 1 | OLS | SOL S.A. Lineas Aereas | IATA: 8R, Callsign: Flight SOL, IATA Prefix: 300, | RA | AVCODES |
| 2 | OLSB | OLSON, B P | | | SCAC3 |
| 3 | OLSC | OLD STYLE CARTAGE | | | SCAC3 |
| 4 | OLSC | OINOUSSIAN LADY SPECIAL MARITIME EN | | | SCAC4 |
| 5 | OLSD | OLSON FREIGHT EXPRESS LTD. | | | SCAC3 |
| 6 | OLSD | OLSEN TRANSPORT INC | | | SCAC4 |
| 7 | OLSF | OLSEN, FRED CRUISES | | | SCAC4 |
| 8 | OLSG | OLSON, GARY, TRUCKING, INC | | | SCAC3 |
| 9 | OLSH | OPTIMAL LOGISTICS SOLUTIONS | | | SCAC4 |
| 10 | OLSI | OLSON GLASS CO INC | | | SCAC3 |
| 11 | OLSI | OLYMPIC LOGISTICS SERVICES INC | | | SCAC4 |
| 12 | OLSJ | OLSON, JOEL | | | SCAC3 |
| 13 | OLSJ | OLSON, JOEL TRUCKING INC | | | SCAC4 |
| 14 | OLSK | OPTIMAL LOGISTICS SOLUTIONS LLC | | | SCAC4 |
| 15 | OLSM | OLSON & SON MOVERS | | | SCAC3 |
| 16 | OLSM | OCEAN LONGEVITY SHIPPING & | | | SCAC4 |
| 17 | OLSO | OLSON, AA MOVERS INC | | | SCAC3 |
| 18 | OLSO | OLSON TRUCKING DIRECT INC | | | SCAC4 |
| 19 | OLSP | OLSEN TRUCKING | | | SCAC3 |
| 20 | OLSP | OINOUSSIAN LION SPECIAL MARITIME EN | | | SCAC4 |
| 21 | OLSQ | OLSON DRAY LINE | | | SCAC3 |
| 22 | OLSR | OLSON TRUCKING | | | SCAC3 |
| 23 | OLSS | OLYMPIC STEAMSHIP CO. | | | PWRC |
| 24 | OLSS | OLYMPIC STEAMSHIP COMPANY | | | SCAC3 |
| 25 | OLSS | ORCA LOGISTICS INCORPORATED | | | SCAC4 |
| 26 | OLST | OLSON TRUCK LINE | | | SCAC3 |
| 27 | OLST | OESTER LOGISTICS | | | SCAC4 |
| 28 | OLST | The Original London Sightseeing Tour | | GB | TRAFFIC |
| 29 | OLSU | LLC OPTIMAL LOGISTIC | | RUS | BIC |
| 30 | OLSV | ON-LINE SERVICE CO INC | | | SCAC3 |
| 31 | OLSW | OY LANGH SHIP AB | | | SCAC4 |
| 32 | OLSX | ADM TRANSPORTATION COMPANY | | | SCAC4 |
| 33 | OLSZ | Marcin Olszański | | PL | TRAFFIC |
