| 4401 | SHIZ | ST. HILAIRE ELEVATOR | | | PWRC |
| 4402 | SHIZ | Shizuoka Railway | | J | TRAFFIC |
| 4403 | SHIZJ | Shizutetsu Justline | | J | TRAFFIC |
| 4404 | SHJ | Sharjah Ruler's Royal Flight | Callsign: Sharjah, | UAE | AVCODES |
| 4405 | SHJ | Skåne - Hallands Järnväg | 1885 - 1896 | S | svenska-lok.se |
| 4406 | SHJB | SCHAFER, JOHN C CHB | | | SCAC4 |
| 4407 | SHJC | SCHERMERHORN HAY FARMS LLC | | | SCAC4 |
| 4408 | SHJD | SDC HOLDINGS CORPORATION | | | SCAC4 |
| 4409 | SHJG | S & H TRANSPORT | | | SCAC4 |
| 4410 | SHJJ | SMITH, JOHN T TRUCKING | | | SCAC4 |
| 4411 | SHJL | SCHAT, JOEL | | | SCAC4 |
| 4412 | SHJM | SALAZAR HERRERA, JOSE MANUEL | | | SCAC4 |
| 4413 | SHJO | SHELLARD, ROBERT N | | | SCAC4 |
| 4414 | SHJP | SHELTON TRANSPORTATION LINES LLC | | | SCAC4 |
| 4415 | SHJS | S H LOGISTICS | | | SCAC4 |
| 4416 | SHJT | SHAFFER TRANSPORTATION SERVICES INC | | | SCAC4 |
| 4417 | SHJU | SHJ Containers | | | RSRV |
| 4418 | SHJV | SUPERIOR HARVESTING | | | SCAC4 |
| 4419 | SHJY | STAHLER TRANSPORTATION, INC | | | SCAC4 |
| 4420 | SHK | Shorouk Air | IATA: 7Q, IATA Prefix: 273, Suspended operations on 13 July 2003. | ET | AVCODES |
| 4421 | SHK | Shorouk Air | | | ICAO1 |
| 4422 | SHK | SHOCKEY TOURS INC | | | SCAC4 |
| 4423 | SHK | Seehafen Kiel | Real: SK | D | TRAFFIC |
| 4424 | SHKA | SHAMROCK AIRCRAFT COMPANY | | | SCAC1 |
| 4425 | SHKA | SHEPHERD TRANSPORT LLC | | | SCAC4 |
| 4426 | SHKC | SHARK CANNONBALLS INC | | | SCAC4 |
| 4427 | SHKD | SHECKLER, KATE DESIGNS | | | SCAC4 |
| 4428 | SHKE | SHARKEY TRANSPORTATION, INC | | | SCAC1 |
| 4429 | SHKE | SHARKEY TRANSPORTATION INC | | | SCAC4 |
| 4430 | SHKG | SCHENKER LOGISTICS INC | | | SCAC4 |
| 4431 | SHKI | SEED HAWK INC | | | SCAC4 |
| 4432 | SHKJ | SHIRLEY TANKER SRL | | | SCAC4 |
| 4433 | SHKK | SCHENKEROC | | | SCAC4 |
| 4434 | SHKL | SHACKELFORD SEAFOOD CORP | | | SCAC4 |
| 4435 | SHKM | SHANK, MICHAEL RACING SERVICES INC | | | SCAC4 |
| 4436 | SHKP | SHRIKE SHIPPING LLC | | | SCAC4 |
| 4437 | SHKQ | SHROCK TRUCKING INC | | | SCAC4 |
| 4438 | SHKT | SHARK TRANSPORT SERVICES INC | | | SCAC4 |
| 4439 | SHKU | SEA HAWK LINES PVT LIMITED | | IND | BIC |
| 4440 | SHKU | SEA HAWK LINES PVT LTD | | | SCAC4 |
| 4441 | SHKV | SHARKEY TRANSPORTATION INC (DIVISIO | | | SCAC4 |
| 4442 | SHKY | SHAMROCK TRUCKING LLC | | | SCAC4 |
| 4443 | SHL | Samson Aviation Ltd. | Callsign: Samson, | GB | AVCODES |
| 4444 | SHL | Samson Aviation | | | ICAO1 |
| 4445 | SHL | | | S | TRAFFIC |
| 4446 | SHLA | SHELTON TANKERS COMPANY LIMITED | | | SCAC4 |
| 4447 | SHLB | S H L | | | SCAC4 |
| 4448 | SHLC | SOFRO HOLDINGS LLC | | | SCAC4 |
| 4449 | SHLF | SHELRIDGE FARM | | | SCAC4 |
| 4450 | SHLL | SHELLER OIL CO INC | | | SCAC4 |
| 4451 | SHLM | SHOW HAUL LLC | | | SCAC4 |
| 4452 | SHLN | SHEAR LOGISTICS INC | | | SCAC4 |
| 4453 | SHLP | SHULTRANS INC | | | SCAC4 |
| 4454 | SHLT | SCHULTZ TRUCKING ENTERPRISES INC | | | SCAC4 |
| 4455 | SHLU | SMITH-HOLLAND BV | | NL | BIC |
| 4456 | SHLU | SMITH HOLLAND BV | | | SCAC4 |
| 4457 | SHLV | SPRINGHILL SERVICES INC | | | SCAC4 |
| 4458 | SHLW | SHOAL LAKE WILD RICE LTD | | | SCAC4 |
| 4459 | SHLX | Procor Ltd. | added 1/1998; 7/2000-7/2005 | | NAKINA |
| 4460 | SHLX | Procor Ltd. | added 1/98; 7/2000 | | NRHS |
| 4461 | SHLX | PROCOR LIMITED | | | PWRC |
| 4462 | SHLX | Procor Limited | | | RSRV |
| 4463 | SHLX | PROCOR LIMITED | | | SCAC4 |
| 4464 | SHLY | SHELEY TRUCKING | | | SCAC4 |
| 4465 | SHLZ | SHINTECH LEAD | | | PWRC |
| 4466 | SHM | Sheltam Aviation CC | Callsign: Sheltam, | ZA | AVCODES |
| 4467 | SHM | Sheltam Aviation | | | ICAO1 |
| 4468 | SHM | SHALIMAR TOURS & CHARTER | | | SCAC4 |
| 4469 | SHM | Stoomtram Hoorn-Medemblik | | NL | TRAFFIC |
| 4470 | SHM | Stiftung Hamburg Maritim | | DE | VKM |
| 4471 | SHMA | STEELHEAD MARINE LTD | | | SCAC4 |
| 4472 | SHMB | SHERMAN BROS. HEAVY TRUCKING, INC | | | SCAC1 |
| 4473 | SHMB | S B INC | | | SCAC4 |
| 4474 | SHMC | SCHMIEDING, H C PRODUCE INC | | | SCAC4 |
| 4475 | SHMD | SHAMROCK OF MICHIGAN LTD | | | SCAC4 |
| 4476 | SHME | SHAMGA | | | SCAC4 |
| 4477 | SHMF | STREICHER MOBILE FUELING INC | | | SCAC4 |
| 4478 | SHMG | SHOWA LINE, LTD. | | | PWRC |
| 4479 | SHMM | SHELLEY MACHINE & MARINE | | | SCAC4 |
| 4480 | SHMQ | SHATAM TRUCKING | | | SCAC4 |
| 4481 | SHMR | SHETLER, MYLES R | | | SCAC4 |
| 4482 | SHMU | SACHEM JAPAN GODO KAISHA | | J | BIC |
| 4483 | SHMV | SHOMOVE | | | SCAC4 |
| 4484 | SHMX | SSP HISTORICAL SOCIETY & MIDLAND RAILROAD HISTORICAL ASSOCIATION | | | PWRC |
| 4485 | SHN | Shaheen Airport Services | Callsign: Sugar Alfa, | PK | AVCODES |
| 4486 | SHN | Shaheen Airport Services | | | ICAO1 |
| 4487 | SHNA | SOUTHERN TRANSPORT INC | | | SCAC4 |
| 4488 | SHNB | SHERMAN & BODDIE INC | | | SCAC4 |
| 4489 | SHNC | SHEEHAN PIPELINE CONSTRUCTION COMPA | | | SCAC4 |
| 4490 | SHNE | SHINE EXPRESS INC | | | SCAC4 |
| 4491 | SHNF | STUARTS HOUSEHOLD AND FURNITURE MOV | | | SCAC4 |
| 4492 | SHNG | SCHILLING, NORM ENTERPRISES INC | | | SCAC4 |
| 4493 | SHNH | SHENANDOAH RECYCLING INC | | | SCAC4 |
| 4494 | SHNI | SAN ANTONIO SHOE INC | | | SCAC4 |
| 4495 | SHNJ | SOUTHERN TIER PROVISIONS INC | | | SCAC4 |
| 4496 | SHNN | SHINN BROKERAGE INC | | | SCAC4 |
| 4497 | SHNP | SHARON TRANSPORT INC | | | SCAC4 |
| 4498 | SHNQ | STEPHENS TRANSPORTATION | | | SCAC4 |
| 4499 | SHNR | SOUTH EAST TRANSPORT LIMITED | | | SCAC4 |
| 4500 | SHNT | SHANNON, J T TRUCKING INC | | | SCAC4 |
