Despite all the good efforts of various webmasters out there, there still isn't a complete listing of hardcore bodybuilding and powerlifting gyms in the world.
If your gym is bodybuilding and/or powerlifting friendly, then post its contact information in this thread so people in your area can read about it and go visit (and hopefully sign up and help to build their business!)
The gyms that best fit this description in Portland, Oregon are:
Loprinzi’s Gym, Manager, 2414 SE 41st Ave, Portland, OR 97214
and
Giants Gym, Manager, 5223 NE Sandy Blvd, Portland, OR 97213