| 1 | SKM | Fayetteville Flying Service And Scheduled Skyways System | Callsign: Skytem, | USA | AVCODES |
| 2 | SKM | Fayetteville Flying Service and Scheduled Skyways | | | ICAO1 |
| 3 | SKM | Szybka Kolej Miejska w Warszawie | City: Warszawa | PL | TRAFFIC |
| 4 | SKMD | STRIKLER METALS & DEMOLITION | | | SCAC4 |
| 5 | SKMG | SEA HAWK MARINE LOGISTICS LLC | | | SCAC4 |
| 6 | SKMK | SK-MK INC | | | SCAC4 |
| 7 | SKML | SK METAL INC | | | SCAC4 |
| 8 | SKMN | STOCKMAN OIL TWO INC | | | SCAC4 |
| 9 | SKMO | SKIDMORE TRANSPORTATION SERVICES IN | | | SCAC4 |
| 10 | SKMP | SK MOTORSPORTS LLC | | | SCAC4 |
| 11 | SKMQ | SKALESKI MOVING & STORAGE INC | | | SCAC4 |
| 12 | SKMS | SKANA IMAGING SOLUTIONS INC | | | SCAC4 |
| 13 | SKMT | PKP Fast Urban Railway in Tricity Sp. z o. o. | | PL | TRAFFIC |
| 14 | SKMT | PKP Szybka Kolej Miejska w Trojmiescie Sp. Z o.o. | | PL | VKM |
| 15 | SKMU | MUTTI SRO | | SK | BIC |
| 16 | SKMV | SKIDMORE | | | SCAC4 |
| 17 | SKMW | SINOKOR MERCHANT MARINE CO LTD | | | SCAC4 |
| 18 | SKMWA | Szybka Kolej Miejska Sp. z o.o. | | PL | TRAFFIC |
| 19 | SKMWA | Szybka Kolej Miejska Sp. z o.o. | | PL | VKM |
