| 9601 | SRSG | SCHAEFER, S R TRUCKING LLC | | | SCAC4 |
| 9602 | SRSJ | SCOTT RELOCATION SERVICES INC | | | SCAC4 |
| 9603 | SRSN | SORENSEN MOVING & STORAGE CO INC | | | SCAC4 |
| 9604 | SRSO | SUNRISE TRANSPORT INC | | | SCAC4 |
| 9605 | SRSP | SYDENHAM RECYCLING & SCRAP LTD | | | SCAC4 |
| 9606 | SRSR | SPERRY RAIL SERVICE | | | SCAC4 |
| 9607 | SRSS | SUDDATH RELOCATION SYSTEMS (SUDDATH | | | SCAC4 |
| 9608 | SRSU | SEA-ROAD SHIPPING S.A. MIAMI FL | | | PWRC |
| 9609 | SRSU | Sea-Road Shipping SA Miami FL | | | RSRV |
| 9610 | SRSU | SRS INTERMODAL LEASING LLC | | | SCAC4 |
| 9611 | SRSV | S & R TRANSPORT SERVICE INC | | | SCAC4 |
| 9612 | SRSVN | Schenker | | SI | VKM |
| 9613 | SRSW | SRS-2 INC | | | SCAC4 |
| 9614 | SRSX | Sperry Rail Service | 7/2000-7/2005 (not listed) | | NAKINA |
| 9615 | SRSX | Sperry Rail Service | Jul-00 | | NRHS |
| 9616 | SRSX | *SPRING RIDGE RAIL SERVICES | | | PWRC |
| 9617 | SRSX | +SPERRY RAIL SERVICE | | | PWRC |
| 9618 | SRSX | Sperry Rail Service | | | RSRV |
| 9619 | SRSX | SPERRY RAIL SERVICE | | | SCAC4 |
| 9620 | SRT | Aircompany Trans Asian Airlines | IATA: T7, Callsign: Traser, Ceased operations during 1999. | KZ | AVCODES |
| 9621 | SRT | Trans Asian Airlines | | | ICAO1 |
| 9622 | SRT | State Railway of Thailand | | T | TRAFFIC |
| 9623 | SRTAG | Swiss Rail Traffic AG | | CH | VKM |
| 9624 | SRTC | SANANNAH RIVER TERMINAL CO. | | | PWRC |
| 9625 | SRTC | SOLAR TECHNOLOGY INC | | | SCAC4 |
| 9626 | SRTD | SPECIALTY ROAD TRANSPORT INC | | | SCAC4 |
| 9627 | SRTD | Sacramento Regional Transit District | | USA | TRAFFIC |
| 9628 | SRTK | SHORE TRUCKING COMPANY INC | | | SCAC4 |
| 9629 | SRTL | S & R TRUCKING | | | SCAC4 |
| 9630 | SRTN | SAN RAMON TRANSPORTES | | | SCAC4 |
| 9631 | SRTP | SMITH, REX TRANSPORTATION INC | | | SCAC4 |
| 9632 | SRTR | SMITH RUTHERFORD TRANSPORT INC | | | SCAC4 |
| 9633 | SRTR | Swiss Rail Traffic | Real: SRT | CH | TRAFFIC |
| 9634 | SRTT | STEEL ROSE TRUCKING | | | SCAC4 |
| 9635 | SRTU | SE.TRA.S. SRL | | I | BIC |
| 9636 | SRTU | SURFACE TRANSPORTATION | | | SCAC1 |
| 9637 | SRTU | SE TRA S SRL | | | SCAC4 |
| 9638 | SRTW | SIERRA TOWING | | | SCAC4 |
| 9639 | SRTX | Southwind Rail Travel Ltd. | 7/2000-7/2005 (not listed) | | NAKINA |
| 9640 | SRTX | Southwind Rail Travel Ltd. | Jul-00 | | NRHS |
| 9641 | SRTX | SOUTHWIND RAIL TRAVEL LTD. | | | PWRC |
| 9642 | SRTX | Southwind Rail Travel Limited | | | RSRV |
| 9643 | SRTX | SOUTHWIND RAIL TRAVEL LTD | | | SCAC4 |
| 9644 | SRTY | SHERIDAN TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 9645 | SRU | Star Up, S.A. | IATA: 2I, Callsign: Star-up, Name changed to Star Up S.A. dba Star Peru | PE | AVCODES |
| 9646 | SRU | Star Up S.A. dba Star Peru | IATA: 2I, Callsign: Star-up, IATA Prefix: 156, Name changed from Star Up, S.A. | PE | AVCODES |
| 9647 | SRU | Star Up | | | ICAO1 |
| 9648 | SRU | | City: Slanska Ruda | PL | TRAFFIC |
| 9649 | SRUA | STERNER AUTOMATION LIMITED | | | SCAC4 |
| 9650 | SRUB | SMITH, ROBERT D | | | SCAC4 |
| 9651 | SRUC | S R TRUCKING CO LTD | | | SCAC4 |
| 9652 | SRUG | STRUCTURAL COMPOSITE TECHNOLOGIES L | | | SCAC4 |
| 9653 | SRUI | SOUL ROAD AUTO PARTS INC | | | SCAC4 |
| 9654 | SRUK | SEARS TRUCKING INC | | | SCAC4 |
| 9655 | SRUN | SPECTRUM TRANSPORT OF ILLINOIS INC | | | SCAC4 |
| 9656 | SRUP | SERVICES ROUTIERS UNI PRO LTEE | | | SCAC4 |
| 9657 | SRUQ | SPECTRUM, 401 DT, INC | | | SCAC1 |
| 9658 | SRUR | SUNDRUP TRANSFER INC | | | SCAC4 |
| 9659 | SRUS | SPRAGUES READYMIX | | | SCAC4 |
| 9660 | SRUT | SCRIBNER, RUPERT | | | SCAC4 |
| 9661 | SRV | Aero Servicio Corporativo, S.A. de C.V. | Callsign: Servicorp, | MEX | AVCODES |
| 9662 | SRV | Executive Air Service, Inc. | Callsign: Serveair, | USA | AVCODES |
| 9663 | SRV | Aero Servicio Corporativo | | | ICAO1 |
| 9664 | SRVB | SOUTH RIVER TRANSPORT INC | | | SCAC4 |
| 9665 | SRVBA | CFR SIRV BRASOV SA - PL AIUD | | RO | VKM |
| 9666 | SRVC | SERVICE TRANSFER, INC | | | SCAC1 |
| 9667 | SRVD | SERVITRANS INC | | | SCAC4 |
| 9668 | SRVE | S & R (MARINE SERVICES) B V | | | SCAC4 |
| 9669 | SRVK | SNOWY RIVER TRUCKING INC | | | SCAC4 |
| 9670 | SRVL | SERVICE LOUIS LETARTE INC | | | SCAC4 |
| 9671 | SRVM | SPRING RIVER PETROLEUM INC | | | SCAC4 |
| 9672 | SRVP | SERVICE TRANSPORT INC | | | SCAC4 |
| 9673 | SRVQ | SPRINGMOUNT RV | | | SCAC4 |
| 9674 | SRVW | SERV-U-SUCCES | | | SCAC4 |
| 9675 | SRVY | STAR VAN SYSTEMS INC | | | SCAC4 |
| 9676 | SRW | Sarit Air Lines | Callsign: Saria, | SUD | AVCODES |
| 9677 | SRW | Sarit Airlines | | | ICAO1 |
| 9678 | SRWH | S & R WAREHOUSE | | | SCAC4 |
| 9679 | SRWK | SUPERIOR REWORK & RESOURCES INC | | | SCAC4 |
| 9680 | SRWN | SAUDER TRANSPORT COMPANY | | | SCAC4 |
| 9681 | SRWP | SCOR-PAL PRODUCTS LTD | | | SCAC4 |
| 9682 | SRWS | SHARMA | | | SCAC4 |
| 9683 | SRWU | CHONGQING SEARAIL CARGO CO.,LTD. | | PRC | BIC |
| 9684 | SRWV | SAMARO TOWING SERVICES | | | SCAC4 |
| 9685 | SRWW | SEAL, ROBERT W INC | | | SCAC4 |
| 9686 | SRX | Sierra Expressway Airlines | Callsign: Sierra Ex, | USA | AVCODES |
| 9687 | SRX | Sierra Expressway Airlines | | | ICAO1 |
| 9688 | SRX | The Seaboard Refining Co., Ltd. | 7/1930-4/1938 | | NAKINA |
| 9689 | SRX | Seaboard Refining Corp. | 1/1941-4/1947 | | NAKINA |
| 9690 | SRX | Sunland Refining Corp. | 1/1950 (not listed); 1/1952-10/1966; eliminated 4/1970 | | NAKINA |
| 9691 | SRX | Sunland Refining Corp. | 4/38-10/66; eliminated 4/70 | | NRHS |
| 9692 | SRX | SUNLAND REFINING CO. [SEABOARD REFINING CO.] | | | PWRC |
| 9693 | SRXA | SPIRIT ROAD XPRESS INC | | | SCAC4 |
| 9694 | SRXB | STARLITE TRANSPORTATION LLC | | | SCAC4 |
| 9695 | SRXC | SUPERIOR READY MIX CONCRETE | | | SCAC4 |
| 9696 | SRXD | SUPERIOR TRANSIT INC | | | SCAC4 |
| 9697 | SRXF | SUPERIOR TRANSFER INC | | | SCAC4 |
| 9698 | SRXG | SPARTI EXPRESS | | | SCAC4 |
| 9699 | SRXH | S RT TRANSPORT LLC | | | SCAC4 |
| 9700 | SRXI | SRM TRANSPORT INC | | | SCAC4 |
