| Branded Entertainment Network | photo library, advertising agency, photo agency | 1989 |
| Burlington Northern Railroad | railway company | March 2, 1970 |
| Cray | public company | 1972 |
| Expedia Group | business, enterprise, public company | October 22, 1996 |
| Expeditors International | business, enterprise, public company | 1979 |
| F5, Inc. | software company, public company | 1996 |
| Fantagraphics Books | comics publishing company, book publisher | 1976 |
| Getty Images | joint-stock company, photo archive, photo agency, public company | 1995 |
| Holland America Line | business, enterprise, cruise line | 1873 |
| Nordstrom | business, public company | 1901 |
| RealNetworks | privately held company, business, enterprise | 1993 |
| Redfin | real estate company, business, online real estate database | 2004 |
| Seattle Computer Products | business | 1979 |
| Seattle's Best Coffee | business | 1991 |
| Starbucks | café chain | March 30, 1971 |
| Stratolaunch Systems | business, enterprise | 2011 |
| WatchGuard | business, enterprise | February 1996 |