I wanted to recommend a great way to find more BPO work that not many BPO Vendors even know about. This is by logging into companies that offer a button where they can click on it to, "Get More Work," or "Find Work." This is the title that many of the companies use within their website.
As an extra BONUS I'll mention some of the companies that offer this feature are:
If you'd like to keep adding to this list, that would be great!
Enjoy and best of luck to you,