| 3001 | JSCZ | FLEXI-VAN LEASING INC | | | SCAC4 |
| 3002 | JSDI | J & S DURST INC | | | SCAC4 |
| 3003 | JSDL | J & S DRAYAGE LLC | | | SCAC4 |
| 3004 | JSDP | J S D TRANSPORT LTD | | | SCAC4 |
| 3005 | JSDS | J & S DELIVERY SERVICES INC | | | SCAC4 |
| 3006 | JSDT | JET SPEED TRANSPORT LTD | | | SCAC4 |
| 3007 | JSDU | JUSDA ENERGY TECHNOLOGY (SHANGHAI) CO LTD | | PRC | BIC |
| 3008 | JSE | Jets Y Servicios Ejecutivos, S.A. de C.V. | Callsign: Servijets, | MEX | AVCODES |
| 3009 | JSE | Jets Y Servicios Ejecutivos | | | ICAO1 |
| 3010 | JSEB | JSE TRUCKING LLC | | | SCAC4 |
| 3011 | JSED | J & S EXPRESS | | | SCAC4 |
| 3012 | JSEE | J & S ENTERPRISES | | | SCAC4 |
| 3013 | JSEQ | J'S EQUINE TRANSPORT | | | SCAC4 |
| 3014 | JSEU | SHIN ETSU CHEMICAL CO LTD | | J | BIC |
| 3015 | JSEY | JERSEY CHAIR CO | | | SCAC4 |
| 3016 | JSFD | JUGET-SINCLAIR FACTEURS D'ORGUES IN | | | SCAC4 |
| 3017 | JSFW | JAS FORWARDING (USA) INC | | | SCAC4 |
| 3018 | JSFZ | JEFFERSON SMURFIT | | | PWRC |
| 3019 | JSGC | JONS GUIDE SERVICE | | | SCAC4 |
| 3020 | JSGO | J & S GO4TRUK INC | | | SCAC4 |
| 3021 | JSGQ | J.S.G. TRUCKING CO | | | SCAC1 |
| 3022 | JSGQ | J S G TRUCKING CO INC | | | SCAC4 |
| 3023 | JSGR | JASPER ENGINES & TRANSMISSIONS LTD | | | SCAC4 |
| 3024 | JSH | Jetstream Air Ltd. | Callsign: Stream-Air, | H | AVCODES |
| 3025 | JSH | Jet-Stream Ltd. | Callsign: Stream Air, | H | AVCODES |
| 3026 | JSH | Jetstream Air | | | ICAO1 |
| 3027 | JSHH | J & S HEAVY HAUL CORPORATION | | | SCAC4 |
| 3028 | JSHK | J S H TRUCKING | | | SCAC4 |
| 3029 | JSI | JSC Jet Air Group | Callsign: Sistema, | RUS | AVCODES |
| 3030 | JSI | Jet Air Group | | | ICAO1 |
| 3031 | JSIC | JOLLY SHIPPING INC | | | SCAC4 |
| 3032 | JSIM | JUDD & SIMS INC | | | SCAC4 |
| 3033 | JSIX | Jahncke Service, Inc. | added 1/1965; 7/1965-4/1970; eliminated 1/1974 | | NAKINA |
| 3034 | JSIX | Jahncke Service, Inc. | added 1/65; 7/65-4/70; eliminated 1/74 | | NRHS |
| 3035 | JSIX | JAHNCKE SERVICE, INC. | | | PWRC |
| 3036 | JSIY | JOSIE TRANSPORT INC | | | SCAC4 |
| 3037 | JSJ | JS Air (Private) Limited | Callsign: JS Charter, | PK | AVCODES |
| 3038 | JSJ | JS Air | | | ICAO1 |
| 3039 | JSJE | JSJ EXPRESS LLC | | | SCAC4 |
| 3040 | JSJI | JOHNSON, S J INC | | | SCAC4 |
| 3041 | JSJK | JSJ TRUCKING | | | SCAC4 |
| 3042 | JSK | Jastrzębska Spółka Kolejowa Sp. z o.o. | | PL | VKM |
| 3043 | JSKA | J & S TRUCKING | | | SCAC4 |
| 3044 | JSKB | JSK TRUCKING | | | SCAC4 |
| 3045 | JSKG | J & S TRUCKING | | | SCAC4 |
| 3046 | JSKJ | JSK TRANSPORT INC | | | SCAC4 |
| 3047 | JSKK | J & S TRUCK BROKERAGE LLC | | | SCAC4 |
| 3048 | JSKM | J & S TRUCKING | | | SCAC4 |
| 3049 | JSKN | JSKN EXPRESS | | | SCAC4 |
| 3050 | JSKP | JS TRUCKING LLC | | | SCAC4 |
| 3051 | JSKQ | JSK TRANSPORT | | | SCAC4 |
| 3052 | JSKU | CRYOGENIC LOGISTIC EQUIPMENT & TRADING PTE LTD | | SGP | BIC |
| 3053 | JSKU | CRYOGENIC LOGISTIC EQUIPMENT & TRAD | | | SCAC4 |
| 3054 | JSKY | JSK LINES | | | SCAC4 |
| 3055 | JSL | Northern Air Transport, Inc d/b/a SelectJet | Callsign: SelectJet, | USA | AVCODES |
| 3056 | JSLA | J & S LOGISTICS INC | | | SCAC4 |
| 3057 | JSLC | JJ & SON LOGISTICS INC | | | SCAC4 |
| 3058 | JSLE | JASLEEN LOGISTICS LTD | | | SCAC4 |
| 3059 | JSLF | J S L FAMILY TRUCKING LLC | | | SCAC4 |
| 3060 | JSLG | JUPITER SISTEMAS LOGISTICOS SA DE C | | | SCAC4 |
| 3061 | JSLO | JSL LOGISTICS LLC | | | SCAC4 |
| 3062 | JSLP | J & S LOGISTICS CORP | | | SCAC4 |
| 3063 | JSLR | JOSLIN BROKERAGE SERVICES | | | SCAC4 |
| 3064 | JSLT | JESUS LEATHER S A DE C V | | | SCAC4 |
| 3065 | JSM | Jet Stream | Callsign: Jet Stream, | MD | AVCODES |
| 3066 | JSM | JS Aviation | Callsign: Liperi, | FIN | AVCODES |
| 3067 | JSM | Jet Stream | | | ICAO1 |
| 3068 | JSMA | J S T TRANSPORTATION INC | | | SCAC4 |
| 3069 | JSMB | JOHNSON STORAGE & MOVING INC | | | SCAC4 |
| 3070 | JSMD | JSMETALIQUID | | | SCAC4 |
| 3071 | JSME | JSM ENTERPRISES LLC | | | SCAC4 |
| 3072 | JSMJ | JSM TRANSPORTATION | | | SCAC4 |
| 3073 | JSMK | J S M TRUCKING LLC | | | SCAC4 |
| 3074 | JSMM | JSM TRANSPORT INC | | | SCAC4 |
| 3075 | JSMO | J S MOVERS INC | | | SCAC4 |
| 3076 | JSMV | J'S MOWING & TRUCKING LLC | | | SCAC4 |
| 3077 | JSMX | Jewett & Sherman Co. | 7/1935-7/1965; eliminated 1/1966 | | NAKINA |
| 3078 | JSMX | Jewett & Sherman Co. | 4/38-7/65; eliminated 1/66 | | NRHS |
| 3079 | JSMX | JEWETT & SHERMAN CO. | | | PWRC |
| 3080 | JSN | Suncor Energy Inc. | Callsign: Jetsun, | CDN | AVCODES |
| 3081 | JSNF | JAS TRANSFER | | | SCAC4 |
| 3082 | JSNI | JASON INDUSTRIES INC | | | SCAC4 |
| 3083 | JSNK | JOHNSON TRUCKING INC | | | SCAC4 |
| 3084 | JSNP | JASON TRANSPORT INC | | | SCAC4 |
| 3085 | JSNS | J S & SON HOTSHOTS | | | SCAC4 |
| 3086 | JSO | Jetalliance South GmbH | Callsign: Jet South, | A | AVCODES |
| 3087 | JSOA | JARDINERIA SOSA | | | SCAC4 |
| 3088 | JSOC | J & S OIL CO INC | | | SCAC4 |
| 3089 | JSOI | JOGINDERPAUL SOHI | | | SCAC4 |
| 3090 | JSOL | JONES OIL SUPPLY LLC | | | SCAC4 |
| 3091 | JSOR | J & S TRANSPORTATION LLC | | | SCAC4 |
| 3092 | JSP | Palmer Aviation Ltd. | Callsign: Palmer, | GB | AVCODES |
| 3093 | JSP | Enterprise Airlines, Inc. | Callsign: Jetspeed, | USA | AVCODES |
| 3094 | JSP | Jet Serve International | | PK | AVCODES |
| 3095 | JSP | Jetstream Aviation, inc | Callsign: Spooler, | USA | AVCODES |
| 3096 | JSP | Palmer Aviation | | | ICAO1 |
| 3097 | JSPO | JAM TRANSPORT INC | | | SCAC4 |
| 3098 | JSPS | JOSEPHSONS SMOKEHOUSE & DOCK | | | SCAC4 |
| 3099 | JSR | Jet Star Srl | | MD | AVCODES |
| 3100 | JSR | Ava Air | Callsign: Foxair, Liquidarted on 28 September 2017. | MQ | AVCODES |
