| 1 | CAT | Copenhagen Airtaxi | Callsign: Aircat, | DK | AVCODES |
| 2 | CAT | Copenhagen Airtaxi | | | ICAO1 |
| 3 | CAT | Civil Air Transport | IATA: CT | | ICAO1 |
| 4 | CAT | CALIFORNIA TRAILS INC | | | SCAC4 |
| 5 | CAT | City Airport Train | City: Wien | A | TRAFFIC |
| 6 | CAT | City Air Terminal BetriebsgmbH | | AT | VKM |
| 7 | CATA | CARGO TRANSPORT INC | | | SCAC4 |
| 8 | CATC | CAPITOL TRUCKING CO | | | SCAC3 |
| 9 | CATC | CAPITOL TRUCKING CO | | | SCAC4 |
| 10 | CATD | CASTERLING TRUCKING INC | | | SCAC3 |
| 11 | CATE | C A T TRUCK LINES | | | SCAC3 |
| 12 | CATH | CARTER, L F INC | | | SCAC3 |
| 13 | CATH | CAT TRANSPORTATION LLC | | | SCAC4 |
| 14 | CATI | CALIFORNIA TRUCKING AND TRANSPORTAT | | | SCAC3 |
| 15 | CATI | CHINA AHEAD TRUCKING INC | | | SCAC4 |
| 16 | CATK | CARTER TRUCKING COMPANY | | | SCAC3 |
| 17 | CATK | COBBS AUTO TRANSPORT LLC | | | SCAC4 |
| 18 | CATL | C A T S TRAVEL | | | SCAC3 |
| 19 | CATL | C A T S TRAVEL | | | SCAC4 |
| 20 | CATLV | Citizens Area Transit | City: Las Vegas | USA | TRAFFIC |
| 21 | CATM | CARLTON TRUCKING CO INC | | | SCAC3 |
| 22 | CATM | CARLTON TRUCKING CO INC | | | SCAC4 |
| 23 | CATO | CATO MOVING & STORAGE CO OF DOUGLAS | | | SCAC3 |
| 24 | CATO | CATALINA OFFSHORE PRODUCTS | | | SCAC4 |
| 25 | CATP | CAR MATE TRAILERS INC | | | SCAC4 |
| 26 | CATP | Caterpillar | | | TRAFFIC |
| 27 | CATQ | CANNING TRUCK SERVICE | | | SCAC3 |
| 28 | CATR | CANDEE ANN TRUCK LINES | | | SCAC3 |
| 29 | CATS | CASA TALAMANTES | | | SCAC4 |
| 30 | CATT | CAPITOL MOVING & STORAGE CO INC | | | SCAC3 |
| 31 | CATU | CARU CONTAINERS BV | | NL | BIC |
| 32 | CATU | CATU CONTAINERS SA | | | PWRC |
| 33 | CATU | CATU Containers | | | RSRV |
| 34 | CATU | COMPAGNIE DE TRANSPORT | | | SCAC3 |
| 35 | CATU | CONTAINER ASSOCIATION ROTTERDAM BV | | | SCAC4 |
| 36 | CATV | CATER INC | | | SCAC3 |
| 37 | CATW | CATON VAN & STORAGE COMPANY | | | SCAC3 |
| 38 | CATX | General American Marks Co. | added 1/2004; 7/2005 | | NAKINA |
| 39 | CATX | Canadian Tank Car Co. (Canadian General Transit Co., Ltd.) | 7/1932 | | NAKINA |
| 40 | CATX | *CANADIAN TANK CAR CO. (CANADIAN GENERAL TRANSIT CO., LTD.) | | | PWRC |
| 41 | CATX | +GENERAL AMERICAN MARKS CO. | | | PWRC |
| 42 | CATX | GENERAL AMERICAN MARKS COMPANY | | | SCAC4 |
| 43 | CATY | CROWLEY AMERICAN TRANSPORT | | | SCAC3 |
| 44 | CATZ | CATERPILLAR INC. | | | PWRC |
