I was careful to randomly list the companies with the highest market share.The categorizations here may not be accurate but I hope someone finds this information useful.

Please See detailed list: http://www.techbusiness101.com/top-it-companies-in-nigeria/

Original Equipment Manufacturers (OEMs):

1. Cisco

2. IBM

3. Microsoft

4. HP

5. Check Point

6. VmWare

7. Oracle

8. EMC

9. Huawei

Information Technology and Services:

10. Business Connexion

11. Dimension Data

12. Vodacom

13. Wipro

14. Weco Systems

15. Resourcery

16. Layer3

17. Computer Warehouse Group

18. iTeco (Member of the Telnet Group)

19. Roe Ltd.

20. MicroAccess


Internet Service Providers:

21. MainOne

22. Internet solutions

23. Galaxy Backbone

Others include Swift Networks, Netcom Africa, Spectranet and IpnX

We also have the big names in Telecom, which includes: MTN, Glo, Airtel, Etisalat, Smile,Visafone and the rest of them. You should also be aware of other OEMs and service providers such as Ericsson, Motorola Solutions, ZTE, IHS towers, Helios towers and other “not so” popular companies.

Feel free to add yours to the list...

nice piece

Monalisa185:
nice piece

Thanks

In telecommunications, 7Six Solutions Ltd must be mentioned. LAN, WAN, Security Systems, Telephony.... Worked with them, Very Professional. I respect Nigerians. www.7sixsolutions.com