| Business | Phone |
| W Brown Engineering Inc 15010 Se Mcloughlin Blvd # 7, Portland 97267 | (503) 654-8232 |
| Structural Concepts 9765 Sw Sattler St, Portland 97224 | (503) 620-3030 |
| T M Rippey Consulting 7650 Sw Beveland Rd # 100, Portland 97223 | (503) 443-3900 |
| Sfa Design Group 9020 Sw Washington Sq Rd # 350, Portland 97223 | (503) 641-8311 |
| Abht Structural Engineers 224 Nw 13th Ave # 325, Portland 97209 | (503) 243-6682 |
| Walker/Diloreto/Younie Inc 6443 Beaverton Hillsdale # 210, Portland 97221 | (503) 203-8111 |
| Vlmk Consulting Engineers 3933 Sw Kelly Ave, Portland 97239 | (503) 222-4453 |
| Trautwien King Structural Engr 10101 Sw Barbur Blvd, Portland 97219 | (503) 242-4990 |
| Archer Engineering 2345 Ne 37th Ave, Portland 97212 | (503) 281-6441 |
| Associated Consultants Inc 5319 Sw Westgate Dr # 245, Portland 97221 | (503) 384-0460 |
| Atlas Construction & Engineeri 922 N Killingsworth St # 2k, Portland 97217 | (503) 289-7775 |
| Tim Covert Pe 312 Nw 10th Ave # 200, Portland 97209 | (503) 228-0426 |
| Tesner Structural Engineers Portland 97214 | (503) 239-9119 |
| Baughman Engineering 412 Ne Laurelhurst Pl, Portland 97232 | (503) 233-7886 |
| Berry-Nordling Engineers 3607 Sw Corbett Ave, Portland 97239 | (503) 227-7783 |
| Beyaz & Patel Inc 4370 Ne Halsey St, Portland 97213 | (503) 331-2606 |
| Structural Systems Consulting 3515 Ne 112th Ave, Portland 97220 | (503) 255-4492 |
| Burgstahler Engineering Systs 320 Sw Stark St # 417, Portland 97204 | (503) 228-6841 |
| C C Peterson Engineering 2644 Ne 26th Ave, Portland 97212 | (503) 287-5532 |
| Cascade Engineering Portland 97210 | (503) 320-7345 |
| Roger Mc Garrigle Pe 1630 Sw Harbor Way # 305, Portland 97201 | (503) 248-6888 |
| Conlee Engineers Inc 1308 Sw Bertha Blvd, Portland 97219 | (503) 244-0579 |
| Rampart Technologies Inc 10175 Sw Barbur Blvd # 212b, Portland 97219 | (503) 291-1687 |
| Dci Engineers 400 Sw 6th Ave # 605, Portland 97204 | (503) 242-2448 |
| Degenkolb Engineers 620 Sw 5th Ave # 1100, Portland 97204 | (503) 223-9932 |
| Peterson Structural Engineers 5319 Sw Westgate Dr # 215, Portland 97221 | (503) 292-1635 |
| Eneyat Schneider Sharples Eng 10175 Sw Barbur Blvd # 212b, Portland 97219 | (503) 291-1686 |
| Nava Engineering Inc 3311 Ne Couch St, Portland 97232 | (503) 238-0633 |
| Nishkian Dean Engineering 319 Sw Washington St # 720, Portland 97204 | (503) 274-1843 |
| David A Hall Po Box 82228, Portland 97282 | (503) 231-8727 |
| Madden Engineers 2632 Se 25th Ave, Portland 97202 | (503) 236-7611 |
| James G Pierson Inc 320 Sw Stark St, Portland 97204 | (503) 226-1286 |
| Jim Lundervold Engineers Inc 8040 Ne Sandy Blvd # 200, Portland 97213 | (503) 284-6375 |
| Evan Kennedy Pe 2545 Sw Terwilliger Blvd 1121, Portland 97201 | (503) 299-1108 |
| Kpff Consulting Engineers 111 Sw 5th Ave # 2500, Portland 97204 | (503) 227-3251 |
| Kpt Engineering & Dev 322 Nw 5th Ave, Portland 97209 | (503) 223-0412 |
| Hayden Consulting Engineers 8225 Sw Hunziker St, Portland 97223 | (503) 968-9994 |