| Thrive Communities Management LLC | Real Estate and Rental and Leasing | $4,377,600 | $4,046,881 | 388 | $58.2M |  Research |
| Hudson Bay Insulation Company | Construction | $4,323,574 | $4,374,391 | 251 | $63.4M | Research |
| Rock Solid Restaurants LLC | Accommodation and Food Services | $4,307,392 | $4,357,047 | 500 | $88.8M | Research |
| Ht Seattle Owner LLC | Accommodation and Food Services | $4,266,542 | $3,763,046 | 401 | $125.4M | Research |
| Baffetto, Inc. | Accommodation and Food Services | $4,264,701 | $4,313,891 | 500 | $88.8M | Research |
| Pacific Pile & Marine, LP | Construction | $4,184,742 | $4,241,352 | 158 | $49.0M | Research |
| Dowbuilt, Inc. | Construction | $4,064,987 | $4,127,243 | 258 | $78.4M | Research |
| Bay Valve Service & Engineering, LLC | Other Services (except Public Administration) | $4,021,700 | $4,067,096 | 324 | $69.6M | Research |
| Cutter & Buck Inc. | Wholesale Trade | $4,018,250 | $2,907,615 | 297 | $76.4M | Research |
| Marchex, Inc. | Professional, Scientific, and Technical Services | $3,970,587 | $4,022,425 | 180 | $37.2M | Research |
| W.g. Clark Construction Co. | Construction | $3,968,900 | $4,022,942 | 184 | $55.9M | Research |
| Shannon & Wilson, Inc. | Professional, Scientific, and Technical Services | $3,941,411 | $3,994,323 | 287 | $35.4M | Research |
| Innersea Discoveries Alaska INC | Transportation and Warehousing | $3,826,300 | $2,929,312 | 208 | $52.7M | Research |
| Seattle Symphony Orchestra | Arts, Entertainment, and Recreation | $3,820,000 | $3,869,922 | 458 | N/A | Research |
| Amperity, Inc. | Professional, Scientific, and Technical Services | $3,812,300 | $0 | 155 | $32.1M | Research |
| Skykick, Inc. | Professional, Scientific, and Technical Services | $3,781,917 | $3,823,881 | 227 | $46.9M | Research |
| New Engen, Inc. | Professional, Scientific, and Technical Services | $3,776,525 | $3,820,584 | 180 | $20.2M | Research |
| Car Wash Enterprises, Inc. | Other Services (except Public Administration) | $3,735,263 | $3,787,453 | 350 | $68.6M | Research |
| Hargis Engineers, Inc. | Professional, Scientific, and Technical Services | $3,680,492 | $3,720,826 | 174 | $21.5M | Research |
| Northwest Center | Health Care and Social Assistance | $3,666,807 | $3,706,836 | 421 | $68.2M | Research |
| E3 Co, LP | Accommodation and Food Services | $3,647,800 | $3,696,471 | 288 | $51.1M | Research |
| Machinists, Inc. | Manufacturing | $3,628,400 | $3,672,140 | 183 | $44.7M | Research |
| Sound Window & Door, Inc. | Construction | $3,627,913 | $3,677,696 | 273 | $82.9M | Research |
| North Star Fishing Company LLC | Agriculture, Forestry, Fishing and Hunting | $3,620,000 | $3,686,747 | 242 | $22.8M | Research |
| Delta Marine Industries Inc. | Manufacturing | $3,619,300 | $3,669,177 | 219 | $57.3M | Research |