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
S& S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SWA SWB SWC SWD SWE SWF SWG SWH SWI SWJ SWK SWL SWM SWN SWO SWP SWQ SWR SWS SWT SWU SWV SWW SWX SWY SWZ
SWLA SWLB SWLC SWLD SWLF SWLH SWLI SWLJ SWLK SWLM SWLN SWLR SWLU SWLV SWLX SWLY SWLZ
1 SWLX Southwestern Tank Line Co. 7/1932   NAKINA
2 SWLX Southwestern Tank Line (Bartex Pipe Line Co.) 7/1935   NAKINA
3 SWLX Phillips Petroleum Co. 7/1937-1/1946   NAKINA
4 SWLX Essel Corp. 10/1957; eliminated 10/1959   NAKINA
5 SWLX Essel Petroleum Corp. added 10/1957; added 10/1959; 4/1961-4/1970; eliminated 1/1974   NAKINA
6 SWLX Essel Corp. added 1/1974, 1/1975-1/1980; eliminated 10/1984   NAKINA
7 SWLX Southwestern Tank Line Co. (Phillips Petroleum Co.) Apr-38   NRHS
8 SWLX Essel Corp. 10/57; eliminated 10/59   NRHS
9 SWLX Essel Petroleum Corp. added 10/57; added 10/59; 4/61-4/70   NRHS
10 SWLX Essel Corp. 1/75-1/80; eliminated 10/84   NRHS
11 SWLX *PHILLIPS PETROLEUM CO. [SOUTHWESTERN TANK LINE CO.]     PWRC
12 SWLX *ESSEL CORPORATION     PWRC
13 SWLX Essel Corporation     RSRV
14 SWLX ESSEL PETROLEUM CORP     SCAC3