| Code | Established Date | Company Name |
|---|---|---|
| RC 192917 | 26 Mar 1992 | ENO-MAS VENUTRES LTD |
| RC 179310 | 12 Nov 1991 | ENO-ESE PHARMACY LTD |
| RC 2212749 | 14 Jun 2012 | HOSAB-ENS VENTURES |
| RC 3007 | 06 Jun 1962 | SUCCESS ENT. (NIG) LTD |
| RC 735948 | 12 Jan 1990 | SEWN SESAN NIG ENS |
| RC 446280 | 27 Aug 1981 | M.A.ANAZUO (NIG) ENS. |
| RC 1074979 | 31 Oct 2012 | EOP INVESTMENT LTD |
| RC 19739 | 29 Nov 1976 | ENO ENGINEERING LTD |
| RC 207037 | 16 Oct 1992 | CHARLES ENO INT. LTD |
| RC DE31961 | 20 Feb 2015 | ALASU ENV SERVICES |
| RC 817208 | 22 Nov 1991 | UCHE & SONS ENS. (NIG) |
| RC 599908 | 04 Dec 1985 | ROSE ANWU NIG ENS |
| RC 2851 | 06 Feb 1962 | $$KOLE JAMES (ENT.) LTD |
| RC 564585 | 06 Dec 1984 | GAB-ADENIRANS ENS. |
| RC 103219 | 16 Apr 1982 | EVANS ENW EREM & CO. |
| RC 321199 | 13 Oct 1977 | ESSINE UKPONG ENS. |
| RC 497064 | 05 Jan 1983 | DUPE VINC ENT ENT. |
| RC 3996 | 24 Sep 1964 | AOGON ARAB ENT. LTD |
| RC 799567 | 10 Feb 2009 | 3 EMZ BIZ LIMITED |
| RC 2224101 | 23 Aug 2012 | WIN-ENV SERVICES |
| RC 810336 | 17 Oct 1991 | W. K. J. HASHIM ENS. |
| RC 2278 | 10 Oct 1977 | VESTA ENT. NIG LTD |
| RC 671325 | 02 Aug 1988 | NODU ENT. NIG. ENT. |
| RC 567711 | 15 Jan 1985 | MORELOLA NIG. ENS. |
| RC 747057 | 21 Jun 1990 | ESE.-AYE (NIG) ENS. |
| RC 256059 | 28 Oct 1994 | ENO FEEDS NIG LTD |
| RC 800321 | 12 Feb 2009 | EF 'N' ENS LIMITED |
| RC 753394 | 16 Aug 1990 | CATHY ENR ING CO. |
| RC 684946 | 26 Jan 1989 | PANDA -ROSA ENS. |
| RC 290993 | 06 Dec 1976 | OJIMIBIAGBA ENS |