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
CT& CTA CTB CTC CTD CTE CTF CTG CTH CTI CTJ CTK CTL CTM CTN CTO CTP CTQ CTR CTS CTT CTU CTV CTW CTX CTY CTZ
CTPA CTPB CTPC CTPD CTPE CTPF CTPG CTPI CTPL CTPM CTPN CTPO CTPQ CTPR CTPS CTPT CTPU CTPV CTPW CTPX CTPY
1 CTPX Courtesy Corp. added 7/1992; eliminated 10/1993; 1/1994-7/2005 (not listed)   NAKINA
2 CTPX CertainTeed Corp. added 4/1977; 1/1980; eliminated 4/1986   NAKINA
3 CTPX Certain-teed Products Corp. added 11/1973; 1/1975; eliminated 4/1977   NAKINA
4 CTPX Certain-teed Products Corp. added 11/73; 1/75   NRHS
5 CTPX CertainTeed Corp. 1/80; eliminated 4/86   NRHS
6 CTPX Courtesy Corp. added 7/92; eliminated 10/93; 1/94-7/2000   NRHS
7 CTPX *CERTAIN TEED CORPORATION     PWRC
8 CTPX +COURTESY CORPORATION     PWRC
9 CTPX Certain Teed Corporation (Courtesy Corporation)     RSRV
10 CTPX COURTESY CORPORATION     SCAC4