| Fort Stanwix | Portland | OR |
| Fort Stephenson | Portland | OR |
| Fort Sumter | Portland | OR |
| Fort Washington | Portland | OR |
| Fort William | Portland | OR |
| Fort Winnebago | Portland | OR |
| Fort Wood | Portland | OR |
| Foster Dam Fish Hatchery | Sweet Home | OR |
| Franca Fassio | Portland | OR |
| Francine Clore | Portland | OR |
| Francis E. Warren | Portland | OR |
| Francis N Blanchet | Portland | OR |
| Francis W Parker | Portland | OR |
| Franklin Macveagh | Portland | OR |
| Frederick Billings | Portland | OR |
| Fred Herrick Lumber | Burns | OR |
| Fred Meyer Stadium Store | Portland | OR |
| Fred Meyer Stores | Portland | OR |
| Fuel Tide | Portland | OR |
| Fugue | Portland | OR |
| Gabriel Fabrication & Erection | Portland | OR |
| Garbage Crematory | Portland | OR |
| Garden State Paper | Portland | OR |
| General Supply | Beaverton | OR |
| George Chamberlain | Portland | OR |
| George Cylmer | Portland | OR |
| George Davidson | Portland | OR |
| George Flavel | Portland | OR |
| George H. Williams | Portland | OR |
| George L. Curry | Portland | OR |
| Georgia Pacific | Coos Bay | OR |
| Georgia Pacific | Portland | OR |
| Georgia Pacific | Springfield | OR |
| Georgia Pacific | Toledo | OR |
| Gerdings Market | Corvallis | OR |
| Gervais | Portland | OR |
| Gibson Homans | Portland | OR |
| Gideon Welles | Portland | OR |
| Gilbert Stuart | Portland | OR |
| Gilmore Steel | Portland | OR |
| Gittel | Portland | OR |
| Glacier Park | Portland | OR |
| Glen & Bev's Seafood | Winchester Bay | OR |
| Glenn's Ferry | Portland | OR |
| Globe Progress | Portland | OR |
| Gold Stream | Portland | OR |
| Golo Stream | Portland | OR |
| Gonzaga Victory | Portland | OR |
| Good Samaritan Hospital | Portland | OR |
| Gouverneur Morris | Portland | OR |
