www.techrepublic.com provides service anywhere on the planet that is connected to the Internet. Or have I missed the point of your question?
Does anyone know of IT forums that provide IT support in Nigeria?
Try Progenics Corp
Some guy emailed me from Nigeria
There's a Nigerian prince that emailed me once and offered to provide IT support. He's supposed to be really good. You have to wire him money in advance, however.
Updated - 8th Nov