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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CO& COA COB COC COD COE COF COG COH COI COJ COK COL COM CON COO COP COQ COR COS COT COU COV COW COX COY COZ
COQC COQD COQE COQH COQL COQN COQO COQP COQQ COQS COQU COQX COQY
1 COQX Chalmette Petroleum Corp. 7/1930-7/1937   NAKINA
2 COQX Chalmette Oil & Refining Co., Inc. (Chalmette Petroleum Corp.) 7/1923   NAKINA
3 COQX CHALMETTE PETROLEUM CORP.     PWRC