| Business | Phone |
| Cascade Sun Wks Inc Portland 10006 Sw Canyon Rd, Portland 97225 | (503) 297-5781 |
| W C Brown & Assoc 5424 N Missouri Ave, Portland 97217 | (503) 289-0538 |
| Solar Energy Assn Of Oregon 205 Se Grand Ave # 202, Portland 97214 | (503) 231-5662 |
| Gen Con Inc-Solar Energy Div Portland 97219 | (503) 245-7657 |