Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
Q& Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 QA QB QC QD QE QF QG QH QI QJ QK QL QM QN QO QP QQ QR QS QT QU QV QW QX QY QZ
QSB QSC QSD QSE QSG QSI QSL QSM QSO QSP QSR QSS QST
QSMO QSMX
1 QSM Qeshm Air IATA: QB, Callsign: Qeshm Air, IATA Prefix: 237, ICAO Designator changed from IRQ. IR AVCODES
2 QSMO QUALITY SERVICES MOVING     SCAC4
3 QSMX Quaker State Corp. added 10/1987; 1/1994; eliminated 10/1994; 7/2000-7/2005 (not listed)   NAKINA
4 QSMX Quaker State Oil Refining Corp. 4/1938-1/1980; eliminated 10/1987   NAKINA
5 QSMX Quaker State Oil Refining Co. 7/1930-7/1937   NAKINA
6 QSMX Quaker State Oil Refining Corp. 4/38-1/80; eliminated 10/87   NRHS
7 QSMX Quaker State Corp. added 10/87; 1/94; eliminated 10/94; 7/2000   NRHS
8 QSMX QUAKER STATE OIL REFINING CORPORATION     PWRC
9 QSMX Quaker State Oil Refining Corporation     RSRV
10 QSMX QUAKER STATE OIL REFINING CORP     SCAC3