| 1 | SPJ | Air Service | IATA: M3, Callsign: Air Skopje, | MK | AVCODES |
| 2 | SPJ | Air Service | IATA: M3 | | ICAO1 |
| 3 | SPJA | S | | | SCAC4 |
| 4 | SPJB | SMC PROJECT MANAGEMENT LLC | | | SCAC4 |
| 5 | SPJC | S P T | | | SCAC4 |
| 6 | SPJD | SPAYRE, J D INC | | | SCAC4 |
| 7 | SPJF | SYNTECH PRODUCTS CORPORATION | | | SCAC4 |
| 8 | SPJH | SUNRISE PRODUCE INC | | | SCAC4 |
| 9 | SPJI | SHIPLANE TRANSPORT INC | | | SCAC4 |
| 10 | SPJK | SCHELP TRUCKING LLC | | | SCAC4 |
| 11 | SPJM | SPECIAL PROJECTS INC | | | SCAC4 |
| 12 | SPJO | SIRMON PRODUCE INC | | | SCAC4 |
| 13 | SPJR | SANCHEZ PEREZ, JESUS | | | SCAC4 |
| 14 | SPJS | SOUTHWEST PORT SERVICES INC | | | SCAC4 |
| 15 | SPJT | SHIMP INCORPORATED | | | SCAC4 |
| 16 | SPJV | SKEETER PRODUCTS INC | | | SCAC4 |
| 17 | SPJX | SMS PENN JERSEY LINE | | | PWRC |
