Depends what they are going to use it for but one of the ones from this list might be suitable.
http://www.brightview.com/our_isps/index.html The main plus point is that they have free customer support for broadband (the premium rate numbers are for dialup customers) which is based in South Africa rather than the usual Indian-based call centres (no disrespect to any indians reading this, it's just that the training is generally minimal and staff turnover is very high).
It's a small company and you can email the CEO directly if you have a complaint.