| 1 | KPCA | K P CARRIERS INC | | | SCAC4 |
| 2 | KPCC | KUE PERSONAL CARE PRODUCTS | | | SCAC4 |
| 3 | KPCD | KONOIKE-PACIFIC CALIFORNIA INC | | | SCAC4 |
| 4 | KPCHELM | Komunikacja Prywatna, Chełm | | PL | TRAFFIC |
| 5 | KPCI | KPC INC | | | SCAC3 |
| 6 | KPCJ | KOPISCHKA, JACK TRUCKING | | | SCAC3 |
| 7 | KPCL | K P COMFORT LINES | | | SCAC3 |
| 8 | KPCU | KIRLOSKAR PNEUMATIC CO. LTD. HADAPSAR, PUNE | | IND | BIC |
| 9 | KPCX | Koppers Industries, Inc. | added 10/1989; 1/1994-7/2005 | | NAKINA |
| 10 | KPCX | Koppers Co. | 7/1937-4/1938 | | NAKINA |
| 11 | KPCX | Koppers Co., Inc. | 1/1941-1/1980; eliminated 10/1989 | | NAKINA |
| 12 | KPCX | Koppers Products Co. | 8/1920; 7/1935 | | NAKINA |
| 13 | KPCX | Koppers Co., Inc. | 4/38-1/80; eliminated 10/89 | | NRHS |
| 14 | KPCX | Koppers Industries, Inc. | added 10/89; 1/94-7/2000 | | NRHS |
| 15 | KPCX | KOPPERS INDUSTRIES, INC. [KOPPERS COMPANY, INC.] | | | PWRC |
| 16 | KPCX | Koppers Industries | | | RSRV |
| 17 | KPCX | KOPPERS INDUSTRIES, INC. | | | SCAC4 |
| 18 | KPCZ | K AND P CARTAGE COMPANY | | | PWRC |
| 19 | KPCZ | K and P Cartage | | | RSRV |
| 20 | KPCZ | K & P CARTAGE CO INC | | | SCAC4 |
