| A |
| Anderson Signs | 11077 North Vancouver Way, Bridgeton | andersonsigns.net | +1 503 2866558 | |
| B |
| Blast! | 2021 Southeast 11th Avenue, Hosford-Abernethy | theblaststudio.com | | |
| C |
| Cascade Diversified Marketing | 3611 Southeast 20th Avenue, Brooklyn | | | |
| City Colornot edited since 2016 | 233 Southwest Naito Parkway, Old Town | citycolor.com | | |
| Co Projects | 4039 North Mississippi Avenue, Boise | co-projects.net | +1-503-516-7844 | |
| E |
| eROInot edited since 2019 | 505 Northwest Couch Street, Old Town | eroi.com | | |
| F |
| Flairnot edited since 2019 | 1427 Northwest Davis Street, Pearl District | flair-plastics.com | | |
| I |
| Idealist Consulting | 4076 North Mississippi Avenue, Boise | idealistconsulting.com | +1-800-889-8675 | |
| Indigo Designnot edited since 2019 | 1323 Northwest 16th Avenue, Pearl District | indigodesignllc.com | | |
| J |
| Joe's Signs | 702 Southeast Powell Boulevard, Brooklyn | joesignshop.com | +1-503-232-7259 | |
| M |
| Magneto | 71 Southwest Oak Street, Old Town | magnetoworks.com | | |
| O |
| Omnivore and Friends | 927 Northwest Everett Street, Pearl District | omnivorous.org | | |
| One Plum Designnot edited since 2019 | 1304 Southwest Bertha Boulevard, South Burlingame | oneplumdesign.com | +1-503-419-7513 | |
| Outlier Solutionsnot edited since 2019 | 213 Southwest Ash Street, Old Town | outlier.com | +1-971-533-7223 | |
| Owen Jones & Partners LTDnot edited since 2019 | 408 Northwest 5th Avenue, Old Town | whoisowenjones.com | +1-503-453-5737 | |
| P |
| Portland SEO Consultant | 2000 Northeast 42nd Avenue, Hollywood | gregbeddor.com | +1-503-896-2209 | |
| R |
| R2Cnot edited since 2019 | 207 Northwest Park Avenue, Old Town | r2cgroup.com | | |
| S |
| SightWorksnot edited since 2016 | 2505 Southeast 11th Avenue, Hosford-Abernethy | sightworks.com | +1-503-223-4184 | |
| T |
| ThinkShoutnot edited since 2019 | 433 Northwest 4th Avenue, Old Town | thinkshout.com | +1-503-847-9216 | |
| W |
| Wieden + Kennedy | 224 Northwest 13th Avenue, Pearl District | wk.com | +1-503-937-7000 | |
| Wild Pacific PRnot edited since 2016 | 2080 Northwest Everett Street, Goose Hollow | wildpacificpr.com | | |