Celtel Nigeria
http://www.ng.celtel.com

Visafone Nigeria
http://www.visafone.com.ng/index.html
http://www.visafone.com.ng/careers

Etisalat Nigeria
http://www.etisalat.com.ng/careers.php

Glo Mobile
http://www.gloworld.com

MTEL Nigeria
http://www.mtelnigeria.com

MTN Nigeria
http://www.mtnonline.com

21st Century Technologies
http://www.21ctl.com/voice.htm


Cell Communication
http://www.cellcomng.com


Intercellular Nigeria Plc
http://www.intercellular-ng.com


Monarch Communications Limited
http://www.monarchng.com


Multilinks Nigeria
http://www.multilinks.com


MTS First Wireless
http://www.mtsfirst.com


Rainbownet Limited
http://www.rbow.net


Reliance Telecommunications Limited
http://www.reltel.org


STARCOMMS
http://www.starcomms.com


VGC Communication Limited
http://www.vgccl.com