| Business | Phone |
| A & L Western Agricultural 10220 Sw Nimbus Ave # K9, Portland 97223 | (503) 968-9225 |
| Wy'East Environmental Sciences 2415 Se 11th Ave, Portland 97214 | (503) 231-9320 |
| West Coast Food Center 12423 Ne Whitaker Way, Portland 97230 | (503) 254-5143 |
| Aigner Mc Laughlin Assoc 2705 E Burnside St # 200, Portland 97214 | (503) 232-1188 |
| Bradley Laboratories 1715 Ne 122nd Ave, Portland 97230 | (503) 256-8747 |
| Chem Trace Northwest 12130 Ne Ainsworth Cir # 210, Portland 97220 | (503) 254-2828 |
| Coffey Laboratories Inc 12423 Ne Whitaker Way, Portland 97230 | (503) 254-1794 |
| Rhein Consulting Laboratories 2330 Nw Flanders St # 101, Portland 97210 | (503) 292-1988 |
| Food Quality Laboratories 6400 Sw Canyon Ct # 80, Portland 97221 | (503) 297-3636 |
| Environmental Services Lab Inc 17400 Sw Upper Boones Ferry Rd, Portland 97224 | (503) 670-8520 |
| Pacific Agricultural Lab 12505 Nw Cornell Rd, Portland 97229 | (503) 626-7943 |