Telecom Providers In Nigeria

Hi All,
        Please can some one tell me the telecomunication outfit that pays the highest for graduate entry in Nigeria out of [b]MTN,
Vmobile,
Globacom,
Cisco,
Intercellular,
Mobitel,
Mts First Wireless,
Multilinks,
Nigerian telecommunications limited (NITEL),
Mtel,
Rainbownet,
Reltel,
Starcomms,
VGC communications
Thanks a lot your replies will be Appreciated.
All the best