| 1 | KEI | Keisei | | J | TRAFFIC |
| 2 | KEIA | KEITH, ART | | | SCAC3 |
| 3 | KEIA | KALCO EXPRESS INC | | | SCAC4 |
| 4 | KEIB | KORNET EXPRESS INC | | | SCAC4 |
| 5 | KEIB | Keisei Bus Co. | | J | TRAFFIC |
| 6 | KEIBS | Keisei Bus System | | J | TRAFFIC |
| 7 | KEID | KINGS EAGLE INC | | | SCAC4 |
| 8 | KEIG | KEILHAUER | | | SCAC4 |
| 9 | KEIH | KEI LOGISTICS INC | | | SCAC4 |
| 10 | KEIH | Keihan Electric Railway | | J | TRAFFIC |
| 11 | KEIHB | Keihan Bus Co. | | J | TRAFFIC |
| 12 | KEII | KANE, E I INTERMODAL TRANSPORT INC | | | SCAC3 |
| 13 | KEII | K E I TRANSPORTATION LLC | | | SCAC4 |
| 14 | KEIJ | KUKAMONGA EXPRESS INC | | | SCAC4 |
| 15 | KEIK | KLEIN TRUCKING | | | SCAC3 |
| 16 | KEIK | KALCO EXPRESS INC | | | SCAC4 |
| 17 | KEIKYU | Keikyu Corporation | | J | TRAFFIC |
| 18 | KEIKYUB | Keihin Kyuko Bus | Owner: Keikyu Corporation | J | TRAFFIC |
| 19 | KEIKYUH | Haneda Keikyu Bus Company | Owned by the Keikyu Corporation | J | TRAFFIC |
| 20 | KEIKYUT | Keikyu Tourist Bus Limited | | J | TRAFFIC |
| 21 | KEIKYUY | Yokohama Keikyu Bus Company | Owned by the Keikyu Corporation, subsidiary of the Keihin Kyuko Bus Co., Ltd. | J | TRAFFIC |
| 22 | KEIL | KEIL TRUCKING | | | SCAC4 |
| 23 | KEIM | K & M EQUIPMENT INC | | | SCAC4 |
| 24 | KEIN | KEELIN TRUCKING | | | SCAC3 |
| 25 | KEIN | KAMENKO EXPRESS INC | | | SCAC4 |
| 26 | KEIO | KEITO | | | SCAC3 |
| 27 | KEIO | Keio Corporation | | J | TRAFFIC |
| 28 | KEIOB | Keio Dentetsu Bus | | J | TRAFFIC |
| 29 | KEIORI | Oriental tourism | Owned by the Keikyu Corporation | J | TRAFFIC |
| 30 | KEIQ | KEIRNES, LYNN | | | SCAC3 |
| 31 | KEIQ | KNEECE EXPRESS INC | | | SCAC4 |
| 32 | KEIS | K & E INDUSTRIAL SERVICES INC | | | SCAC4 |
| 33 | KEIT | KEITH, C W TRANSFER & WAREHOUSE CO | | | SCAC3 |
| 34 | KEIT | KEITH'S AUTO TRANSPORT INC | | | SCAC4 |
| 35 | KEITB | Keisei Town Bus | | J | TRAFFIC |
| 36 | KEITR | Keisei Transit Bus | | J | TRAFFIC |
| 37 | KEIU | SPEEDY SAILING SHIPPING CO.,LIMITED | | PRC | BIC |
| 38 | KEIV | K EXPRESS INC | | | SCAC4 |
