I've just discovered a few that I didn't know even existed: Ty Fox and Steve Fox.
They actually appear together in the last scene of a movie called "Fox's Lair", and I highly recommend it:
One thing I love is the aesthetic that is hard to find today - huge, muscular hunks, tan, smooth and no tattoos:
Some studios from this time period include Bijou, Vivid Man, Studio 2000, and Catalina.