| Code | Established Date | Company Name |
|---|---|---|
| RC 130808 | 17 May 1989 | DEL AQUA NIGERIA LIMITED |
| RC 202339 | 25 Aug 1992 | DEK OILS NIGERIA LIMITED |
| RC 186415 | 17 Jan 1992 | DEK-FEM INTERNATIONA LTD |
| RC 320833 | 29 Sep 1997 | DEK DATA COMPANY LIMITED |
| RC 111501 | 07 Apr 1988 | DEF-LAAM & COMPANY LIMITED |
| RC 123348 | 23 Dec 1988 | BAY-DEL VENTURES NIG LTD |
| RC 242432 | 23 Mar 1994 | AN - DEN NIGERIA LIMITED |
| RC 133414 | 27 Jun 1989 | ALLAH-DEH INVESTMENT LTD |
| RC 119914 | 31 Oct 1988 | WOL-DEM NIGERIA LIMITED |
| RC 314293 | 07 Jul 1978 | SAMGO DEF BUILDERS ENT. |
| RC 762503 | 09 Oct 1990 | PHILUS DEG (NIG) COMPANY |
| RC 433869 | 01 Nov 2001 | HEM-DEM NIGERIA LIMITED |
| RC 455015 | 29 Oct 1981 | FRANCIS E DET COMM. ENT. |
| RC KD024396 | 16 Aug 2006 | DET SPECIAL & ASSOCIATES |
| RC 609833 | 27 Oct 2004 | DER CHEF & WATER LIMITED |
| RC 1528610 | 02 Oct 2018 | DEP DELITESOME LIMITED |
| RC 307708 | 27 Apr 1977 | DEP-DECO SOUNDS STUDIO |
| RC 72080 | 20 May 1985 | DEN-ALI NIGERIA LIMITED |
| RC 407481 | 17 Apr 2001 | DEM TECH MARINE LIMITED |
| RC 347651 | 28 Dec 1998 | DEM DEM NIGERIA LIMITED |
| RC 21369 | 25 May 1977 | DEL-JADIGO & SONS LIMITED |
| RC 2076555 | 08 Oct 2008 | DEJ AND TOLL TECH WORK |
| RC 2337137 | 17 Mar 2015 | DEI DEI TRADE SERVICES |
| RC 620717 | 11 Aug 1986 | DEH-KOL DIAGNOSTIC LAB. |
| RC 1061329 | 29 Aug 2012 | DEH CONSULTING LIMITED |
| RC 2194638 | 13 Feb 2012 | DEF TRAX ENTERTAINMENT |
| RC 405007 | 15 Mar 2001 | AFA-DEK NIGERIA LIMITED |
| RC 73810 | 19 Jul 1985 | A. ALLHA DEH NIGERIA LTD |
| RC 875819 | 30 Mar 1993 | SUNNI-DEF AND COMPANY |
| RC 478296 | 17 Jun 1982 | MARIA DEH ENTERPRISES |