Real world company prefixes

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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
CA& CAA CAB CAC CAD CAE CAF CAG CAH CAI CAJ CAK CAL CAM CAN CAO CAP CAQ CAR CAS CAT CAU CAV CAW CAX CAY CAZ
CALA CALB CALC CALD CALE CALF CALG CALH CALI CALJ CALM CALO CALP CALR CALS CALT CALU CALV CALW CALX CALY
1 CALX California Railcar Corp. added 7/1979; 1/1980-7/2000; eliminated 1/2003; added 1/2004; eliminated 4/2004; 7/2005 (not listed)   NAKINA
2 CALX Calhoun Trading Co., Inc. added 10/1974; 1/1975; eliminated 7/1976   NAKINA
3 CALX American Cyanamid Co. added 4/1954; 7/1954; eliminated 1/1957   NAKINA
4 CALX American Cyanamid Co., Calco Chemical Division added 10/1953; eliminated 4/1954   NAKINA
5 CALX Calco Chemical Division, American Cyanamid Co. 1/1941-1/1952; eliminated 10/1953   NAKINA
6 CALX The Calco Chemical Co., Inc. 7/1923-4/1938   NAKINA
7 CALX The Calco Chemical Co., Inc. Apr-38   NRHS
8 CALX Calco Chemical Division, American Cyanamid Co. 1/52; eliminated 10/53   NRHS
9 CALX American Cyanamid Co., Calco Chemical Division added 10/53; eliminated 4/54   NRHS
10 CALX American Cyanamid Co. added 4/54   NRHS
11 CALX Calhoun Trading Co., Inc. added 10/74; 1/75; eliminated 7/76   NRHS
12 CALX California Railcar Corp. added 7/79; 1/80-7/2000   NRHS
13 CALX *AMERICAN CYANAMID, CALCO CHEMICAL DIV.     PWRC
14 CALX *CADDO, ANTONINE & LITTLE MISSOURI     PWRC
15 CALX *CALHOUN TRADING CO. INC.     PWRC
16 CALX +CALIFORNIA RAILCAR CORPORATION     PWRC
17 CALX California Railcar Corporation     RSRV
18 CALX CALIFORNIA RAILCAR CORPORATION     SCAC4
19 CALX California Railcar Corp.   USA TRAFFIC