Oregon Grow Shops

American Agriculture 
13896 Fir St B,
Oregon City, OR 97045
Phone: 503-256-2400
http://www.AmericanAg.com/ 
(2025: Above website redirects to: https://www.flyingskull.net/ and it looks like the American Agriculture shop may be permanently closed.)

Concentrates, Inc.
5505 SE International Way
Milwaukie, OR 97222
Phone: 503-234-7501
http://www.concentratesnw.com/

West Coast Organic and Hydroponic Supply 
http://WCHydro.com/