Try Bill Baumbeck's site. He had some for sale a few months ago, and his prices are pretty good. Not quite "wholesale", but the quality is good and the price is decent.
There was a really nice soft lined double leather pen case offered by Penn St and Woodturningz, they were only 4.00 and the best value out there , JMO. Well I needed some and found out they were discontinued. Does anybody know where to get these? I have searched and come up blank.