| A |
| Allusanot edited since 2016 | 2118 Southeast Division Street, Hosford-Abernethy | | | |
| American Institute of Architectsnot edited since 2021 | 403 Northwest 11th Avenue, Pearl District | aiaoregon.org | | |
| Anacapa Architecture | 1921 Northwest Kearney Street, Pearl District | anacapaarchitecture.com | | |
| Ankrom Moisan Architectsnot edited since 2020 | 38 Northwest Davis Street, Old Town | ankrommoisan.com | +1 503 245 7100 | |
| B |
| Bruinier | 1304 Southwest Bertha Boulevard, South Burlingame | bruinier.com | +1-503-246-3022 | |
| C |
| Craftsman Design & Renovation | 837 Southeast 27th Avenue, Buckman | | | |
| E |
| Eric Butler Design | 2400 Southeast Holgate Boulevard, Reed | ericbutlerdesign.com | +1-503-421-8021 | |
| Ernest R. Munch | 111 Southwest Oak Street, Old Town | ermunch.com | +1-503-224-1282 | |
| G |
| GreenWorks | 110 Southeast Main Street, Central Eastside | greenworkspc.com | +1-503-222-2283 | |
| H |
| Harper Houf Peterson Righellis Inc. | 205 Southeast Spokane Street, Sellwood | hhpr.com | +1-503-221-1131 | |
| J |
| Jason Buerklenot edited since 2019 | 4839 Northeast Martin Luther King Junior Boulevard, King | | | |
| Jones Architecture | 120 Northwest 9th Avenue, Old Town | jonesarc.com | +1-503-477-9165 | |
| K |
| Kasa | 4839 Northeast Martin Luther King Junior Boulevard, King | kasapdx.com | | |
| L |
| Lango Hansennot edited since 2019 | 1100 Northwest Glisan Street, Pearl District | langohansen.com | | |
| Lyons Hunter Williams | 32 Northeast 7th Avenue, Buckman | lhwarchitecture.com | +1-503-893-5807 | |
| P |
| Paul McKeannot edited since 2017 | 4039 North Mississippi Avenue, Boise | pmckean.com | +1-503-784-3236 | |
| S |
| Sargent Designworks | 4103 Northeast Tillamook Street, Hollywood | sargentdesignworks.com | +1-503-282-7915 | |
| Scott Edwards Architecturenot edited since 2020 | 2525 East Burnside Street, Kerns | seallp.com | | |
| SD Deacon | 901 Northeast Glisan Street, Lloyd District | sddeacon.net | | |
| Skylab | 413 Southwest 13th Avenue, Pearl District | skylabarchitecture.com | | |
| Stack | 32 Northeast 7th Avenue, Buckman | stackpdx.com | +1-503-481-1332 | |
| Sum Design Studio | 231 Southeast 12th Avenue, Buckman | sumdesignstudio.com | +1-503-715-5847 | |
| W |
| Waechter Architecture | 4224 North Mississippi Avenue, Boise | waechterarchitecture.com | +1 503 894 9480 | |
| Walker Macynot edited since 2019 | 111 Southwest Oak Street, Old Town | walkermacy.com | +1-503-228-3122 | |
| Z |
| Zimmer Gunsul Frasca | 1223 Southwest Washington Street, Pearl District | zgf.com | | |