| 1 | SSR | P.T. Sempati Air | IATA: SG, Callsign: Spirow, Declared Bankrupt. | RI | AVCODES |
| 2 | SSR | Sardinian Sky Service s.r.l. | Callsign: Sardinian, | I | AVCODES |
| 3 | SSR | S & S SHORTLINE RAILROAD | | | SCAC4 |
| 4 | SSR | Southern Shorthaul Railroad | | AUS | TRAFFIC |
| 5 | SSRA | S & S TRAILER SALES INC | | | SCAC4 |
| 6 | SSRC | STARS & STRIPES RELOCATION INC | | | SCAC4 |
| 7 | SSRD | SCHLUESSE | | | SCAC4 |
| 8 | SSRE | SUPERIOR SERVICE EXPRESS INC | | | SCAC4 |
| 9 | SSRI | SHIPPING SERVICES ITALIA | | | SCAC4 |
| 10 | SSRJ | S & S RANCH | | | SCAC4 |
| 11 | SSRK | S & S TRUCKING INC | | | SCAC4 |
| 12 | SSRL | S & S TRANSPORT LLC | | | SCAC4 |
| 13 | SSRN | SS TRUCKING | | | SCAC4 |
| 14 | SSRO | SANCHEZ SOTO, RODRIGO | | | SCAC4 |
| 15 | SSRP | SUNSET TRANSPORTATION INC | | | SCAC4 |
| 16 | SSRS | SS TRANSPORT | | | SCAC4 |
| 17 | SSRS | Spur South Rail Services | | AUS | TRAFFIC |
| 18 | SSRT | Affärsverket Statens Järnvägar | 2001 - | S | svenska-lok.se |
| 19 | SSRT | Affärsverket Statens Järnvägar | 2001 - | S | TRAFFIC |
| 20 | SSRT | affärsverket Statens järnvägar | | SE | VKM |
| 21 | SSRU | SSREEFER-SOLUCOES EM SERVICOS REEFER LTDA | | BR | BIC |
| 22 | SSRU | SEA STAR EXPRESS | | | SCAC1 |
| 23 | SSRU | SSREEFER-SOLUC | | | SCAC4 |
| 24 | SSRW | SEASTAR LLC | | | SCAC4 |
| 25 | SSRX | *SAN SABA RAILWAY PARTNERS | | | PWRC |
| 26 | SSRX | +S&S SHORTLINE LEASING LLC | | | PWRC |
| 27 | SSRX | S & S SHORTLINE LEASING LLC | | | SCAC4 |
