| 1 | JW | Arrow Air, Inc. | ICAO: APW, Callsign: Big A, IATA Prefix: 404, Ceased operations on 29 June 2010, and filed for Chapter 11 bankruptcy protection on 01 July 2010. | USA | AVCODES |
| 2 | JW | Skippers Aviation Pty Ltd. | Designator JW* recalled by IATA. Schedules still showing as JW on website. | AUS | AVCODES |
| 3 | JW | Business Air Travel | | GB | AVCODES |
| 4 | JW | Trek Airways (Pty) Ltd. | ICAO: TKE, Callsign: Trekair, | ZA | AVCODES |
| 5 | JW | AirAsia Japan Co., Ltd. | ICAO: WAJ, Callsign: Wing Asia, Name changed to Vanilla Air w.e.f. 01 November 2013. Joint venture between Malaysia's AirAsia and Japan's All Nippon Airways. | J | AVCODES |
| 6 | JW | Jamaica Far East Limited | ICAO: JFE, Callsign: Jamaica Cargo, IATA Prefix: 751, | JA | AVCODES |
| 7 | JW | Vanilla Air, Inc. | ICAO: VNL, Callsign: Vanilla, IATA Prefix: 842, IATA Designator changed to JW. Commenced operations on 20 December 2013. Founded August 2011 as AirAsia Japan. | J | AVCODES |
| 8 | JW | Vanilla Air, Inc. | ICAO: VNL, Callsign: Vanilla, IATA Prefix: 842, Merged into Peach Aviation on 26 October 2019. IATA Designator changed from JW*. Commenced operations on 20 December 2013. Founded August 2011 as AirAsia Japan. | J | AVCODES |
| 9 | JW | Johann Walthelm GmbH | | DE | VKM |
| 10 | JWA | Jetworld Airways Ltd. | Callsign: Jetworld, | AG | AVCODES |
| 11 | JWAB | JW TRUCKING LLC | | | SCAC4 |
| 12 | JWAC | J WAY STERILE SERVICE INC | | | SCAC4 |
| 13 | JWAR | J W A TRUCKING LLC | | | SCAC4 |
| 14 | JWAS | JW APPLICATORS LLC | | | SCAC4 |
| 15 | JWAX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 16 | JWAX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 17 | JWAX | North American Car Corp. | added 1/1964; 7/1965-1/1980; eliminated 1/1984 | | NAKINA |
| 18 | JWAX | North American Car Corp. | 7/65-1/80 | | NRHS |
| 19 | JWAX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 20 | JWAX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 21 | JWAX | (NATX) GENERAL ELECTRIC RAILCAR SERVICES CORP. [NORTH AMERICAN CAR CORP.] - S.C. JOHNSON, LESSEE | | | PWRC |
| 22 | JWAX | GE Rail Services Corporation | | | RSRV |
| 23 | JWAX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 24 | JWB | Jade-Weser-Bahn GmbH | Bremen | D | privat-bahn.de |
| 25 | JWB | Jade-Weser-Bahn GmbH | | DE | VKM |
| 26 | JWBC | JAWBONE LOGISTICS INC | | | SCAC4 |
| 27 | JWBL | J W B LOGISTICS INC | | | SCAC4 |
| 28 | JWBT | JRW EXCAVATING & TRUCKING LIMITED | | | SCAC4 |
| 29 | JWC | Jetwing Airlines (Pvt) Ltd. | Callsign: Jetwingair, | CL | AVCODES |
| 30 | JWCC | JACKSON, W CRAIG CUSTOM TRUCKMEN LL | | | SCAC4 |
| 31 | JWCE | JASWIND TROPICALS INC | | | SCAC4 |
| 32 | JWCP | JWB LOGISTICS CORP | | | SCAC4 |
| 33 | JWCX | The Celotex Corp. | added 4/1968; 4/1970-1/1980; eliminated 7/1981 | | NAKINA |
| 34 | JWCX | The Celotex Corp. | added 4/68; 4/70-1/80; eliminated 7/81 | | NRHS |
| 35 | JWCX | CELOTEX CORP. | | | PWRC |
| 36 | JWD | Jayawijaya Dirgantara, PT. | Callsign: Wijaya Air, AOC granted on 24 July 2012. | RI | AVCODES |
| 37 | JWDE | JELD-WEN DE MEXICO | | | SCAC4 |
| 38 | JWEL | JEWELS TRANSPORTATION INC | | | SCAC4 |
| 39 | JWEM | JW ENTERPRISE | | | SCAC4 |
| 40 | JWEN | J W EXPRESS NATIONWIDE DELIVERY SER | | | SCAC4 |
| 41 | JWER | J W EXPRESS | | | SCAC4 |
| 42 | JWES | JAMES WESTERN STAR STERLING LTD | | | SCAC4 |
| 43 | JWFR | J W FREIGHTERS INC | | | SCAC4 |
| 44 | JWFX | J.W. Flammer Co., Inc. | added 4/1968; 4/1970-1/1980; eliminated 4/1989 | | NAKINA |
| 45 | JWFX | J.W. Flammer Co., Inc. | added 4/68; 4/70-1/80; eliminated 4/89 | | NRHS |
| 46 | JWFX | J.W. FLAMMER CO. | | | PWRC |
| 47 | JWFX | J. W. Flammer | | | RSRV |
| 48 | JWGB | J & W ENTERPRISES OF GREEN B | | | SCAC4 |
| 49 | JWGR | JOE'S TOWING & RECOVERY | | | SCAC4 |
| 50 | JWGX | JW GREEN COMPANY INC | | | SCAC4 |
| 51 | JWHT | JWH TRANSPORT INC | | | SCAC4 |
| 52 | JWIA | JELD-WEN INC | | | SCAC4 |
| 53 | JWIT | J W I TRANSPORTATION INC | | | SCAC4 |
| 54 | JWJI | J W J INDUSTRIES INC | | | SCAC4 |
| 55 | JWJP | JWJ EXPRESS INC | | | SCAC4 |
| 56 | JWKX | J.W. Kerslake Co. | added 1/1971; eliminated 7/1971; 1/1975-1/1980 | | NAKINA |
| 57 | JWKX | J.W. Kerslake Co. | added 1/71; 1/75-1/80 | | NRHS |
| 58 | JWKX | J.W. KERSLAKE CO. | | | PWRC |
| 59 | JWLL | JEWELL TRANSPORT INC | | | SCAC4 |
| 60 | JWLS | J W LOGISTICS | | | SCAC4 |
| 61 | JWMN | JOULE, WILLIAM MARINE TRANSPORT INC | | | SCAC4 |
| 62 | JWON | J & W OIL COMPANY INC | | | SCAC4 |
| 63 | JWR | JIM WALTERS RESOURCES | | | PWRC |
| 64 | JWR | Jiuguang West Railway | | HK | TRAFFIC |
| 65 | JWRE | JW RENTALS INC | | | SCAC4 |
| 66 | JWRN | J W TRANSPORTATION INC | | | SCAC4 |
| 67 | JWRS | J W TRANSPORT INC | | | SCAC4 |
| 68 | JWRT | J W R TRUCKING CO | | | SCAC4 |
| 69 | JWRX | Alabama Power Co. | added 10/1994; eliminated 7/1999; added 10/1999; 7/2000-7/2005 | | NAKINA |
| 70 | JWRX | Jim Walter Resources Inc. (captive service) | 1/1994 (not listed) | | NAKINA |
| 71 | JWRX | Jim Walter Resources Inc. (captive service) | Jan-94 | | NRHS |
| 72 | JWRX | Alabama Power Co. | added 10/94; eliminated 7/99; added 10/99; 7/2000 | | NRHS |
| 73 | JWRX | ALABAMA POWER COMPANY, JIM WALTER RESOURCES INC. | | | PWRC |
| 74 | JWRX | Jim Walter Resources (Alabama Power) | | | RSRV |
| 75 | JWRX | ALABAMA POWER COMPANY | | | SCAC4 |
| 76 | JWSE | JIMMIES WRECKER SERVICE | | | SCAC4 |
| 77 | JWST | JWS TRUCKING | | | SCAC4 |
| 78 | JWSV | JESSIES WRECKER SERVICE | | | SCAC4 |
| 79 | JWT | Jetway | Callsign: Jetway Team, | F | AVCODES |
| 80 | JWTD | JW TRANSPORT INC | | | SCAC4 |
| 81 | JWTQ | JW TRANSPORTATION INC | | | SCAC4 |
| 82 | JWTS | J-WAY TRANSPORT INC | | | SCAC4 |
| 83 | JWTY | JENSEN, WILLY TRUCKING & REPAIR INC | | | SCAC4 |
| 84 | JWWU | JINDAL WATERWAYS LTD | | | SCAC4 |
| 85 | JWX | Jetways Airlines Limited | IATA: WU, Callsign: Jetways, | EAK | AVCODES |
| 86 | JWX | Jennison-Wright Corp. | 1/1941-1/1975; eliminated 10/1976 | | NAKINA |
| 87 | JWX | Jennison-Wright Co. | 7/1937-4/1938 | | NAKINA |
| 88 | JWX | The Jennison-Wright Co. | 7/1930-7/1935 | | NAKINA |
| 89 | JWX | Jennison-Wright Corp. | 4/38-1/75 | | NRHS |
| 90 | JWX | JENNISON-WRIGHT CORP. | | | PWRC |
| 91 | JWY | Jetways of Iowa, LC. | Callsign: Jetways, Name changed from Jetways, Inc. (Des Moines, IO) | USA | AVCODES |
| 92 | JWY | Jetways of Iowa | | | ICAO1 |
