| Atlas Boiler | Spokane | WA |
| Atlas Foundry & Machine | Tacoma | WA |
| Atomic Energy Commission | Richland | WA |
| Atomic Energy Commission | Hanford | WA |
| Auburn High School | Auburn | WA |
| Austin Receiving | Auburn | WA |
| Automatic Sprinkler Company Of America | Seattle | WA |
| Auxiliary Steam House | Seattle | WA |
| Avamere Hlthcre-Highlands Ctr | Tacoma | WA |
| Babcock & Wilcox | Seattle | WA |
| Badoeng Strait | Tacoma | WA |
| Bagley Elementary School | Seattle | WA |
| Bairoko | Tacoma | WA |
| Ballard Community Hospital | Seattle | WA |
| Ballard High School | Seattle | WA |
| Bangor Polaris Project | Bangor | WA |
| Bank Box Cafe | Renton | WA |
| Battelle-Northwest Laboratory | Richland | WA |
| Beall Greenhouse | Vashon | WA |
| Becco | Vancouver | WA |
| Bechtel | Centralia | WA |
| Bechtel | Ferndale | WA |
| Bechtel | Anacortes | WA |
| Bechtel | Wabash | WA |
| Becksmith & Kuffel | Seattle | WA |
| Belknap Glass | Seattle | WA |
| Bellevue Buisness Center | Bellevue | WA |
| Bellevue Junior High School | Bellevue | WA |
| Bellingham Girls School | Bellingham | WA |
| Bemis Brothers Bag | Vancouver | WA |
| Bemiss Elementary School | Spokane | WA |
| Benevolent Protective Order Of Elks Club | Puyallup | WA |
| Berg Apartments | Tacoma | WA |
| Bethany Home | Everett | WA |
| Bethlehem Steel | Seattle | WA |
| Beverly Investment | Beverly | WA |
| Black Carbon Coal | Spokane | WA |
| Blair Waterway Terminal | Tacoma | WA |
| Blaw-Knox | Hanford | WA |
| Bleach Plant & Digestor | Camas | WA |
| Block Island | Tacoma | WA |
| Bloedel Donovan Lumber | Bellingham | WA |
| Boatyard | Seattle | WA |
| Bob's Restaurant | Seattle | WA |
| Boecon | Longview | WA |
| Boeing | Renton | WA |
| Boeing | Kent | WA |
| Boeing | Auburn | WA |
| Boeing | Mukilteo | WA |
| Boeing | Everett | WA |
