Retro-gression is pretty good. They are street fixie focused, but have a good selection of race gear as well. I've ordered quite a bit from them over the years (DA cranks, a set of Zen rings, fork, accessories, etc...). My last order was maybe 6 weeks ago. Their prices are the lowest I've seen.
https://www.retro-gression.com/
It's owned by @
Scrodzilla here on bikeforums.