1 | PQC | Chieftain Airways plc | Callsign: Chieftain, | GB | AVCODES |
2 | PQCC | PETROLEUM CARRIERS LLC | | | SCAC4 |
3 | PQCG | PETROEAST COMPRESSED GASSES LLC | | | SCAC4 |
4 | PQCL | PRINCIPAL CONTAINER LINE | | | SCAC3 |
5 | PQCX | The PQ Corp. | added 4/1980; 1/1994; eliminated 1/1995; 7/2000-7/2005 (not listed) | | NAKINA |
6 | PQCX | PQ Corp. | added 4/1978; 1/1980; eliminated 4/1980 | | NAKINA |
7 | PQCX | Philadelphia Quartz Co. | added 1/1971; 1/1975; eliminated 4/1978 | | NAKINA |
8 | PQCX | Philadelphia Quartz Co. of California | 8/1920-7/1923 | | NAKINA |
9 | PQCX | Philadelphia Quartz Co. of California, Ltd. | 7/1930-4/1970; eliminated 1/1971 | | NAKINA |
10 | PQCX | Philadelphia Quartz Co. of California, Ltd. | 4/38-4/70; eliminated 1/71 | | NRHS |
11 | PQCX | Philadelphia Quartz Co. | added 1/71; 1/75; eliminated 4/78 | | NRHS |
12 | PQCX | PQ Corp. | added 4/78; 1/80; eliminated 4/80; 7/2000 | | NRHS |
13 | PQCX | The PQ Corp. | added 4/80; 1/94; eliminated 1/95; 7/2000 | | NRHS |
14 | PQCX | (PQX) PQ CORPORATION [PHILADELPHIA QUARTZ CO.] | | | PWRC |
15 | PQCX | PQ Corporation | | | RSRV |
16 | PQCX | PHILADELPHIA QUARTZ COMPANY OF CALI | | | SCAC3 |
17 | PQCX | PQ CORPORATION | | | SCAC4 |