I have almost every single damn BDC out there (effectively, my own low-cost mutual fund
. Yes, some blow up, and some are mediocre. Which is why I stay diversified. BDCs usually distribute non-qualified dividends, which is why I keep these high yielders all in tax-advantaged accounts.
A great author on SeekingAlpha who updates lists of most BDCs is Factoids. He'll post frequent articles on MLPs and BDCs. Here is a recent article with a huge list of BDCs updated with various financial metrics:
BDCs And 'The One Thing' | Seeking Alpha