I have a domain reseller package with Enom, but there is a certain domain extension I want to resell that they don't offer (.co.za). I've been looking around, and I can't find how to add this domain extension to my package, or even how to resell it. Do you know of any solutions to this problem?
Enom offer more domain extensions than any other registrar.
If you can't find an extension in the list, you probably have to go directly with specific registrar of that country.
I think you may be somewhat misinformed here.
Unless I am missing something I can see all of 16 ccTLDs on Enom's web site.... out of a total of 200+ available worldwide. That's a very small number by comparison with many other companies such as Speednames, Blacknight, Eurodns and several others I could name.