| Fehr & Peers | 25 | $78,000 | $70,000 – $91,354 |
| WSP USA Inc. | 11 | $91,978 | $77,595 – $122,490 |
| Jacobs Civil Consultants, Inc. | 5 | $91,241 | $90,697 – $102,315 |
| The Corradino Group | 4 | $75,030 | $69,877 – $82,860 |
| Stantec Consulting Services Inc. | 4 | $93,746 | $90,750 – $99,679 |
| HDR Engineering, Inc. | 3 | $84,094 | $77,750 – $84,094 |
| AECOM Technical Services, Inc. | 3 | $119,056 | $102,434 – $119,056 |
| California Department of Transportation | 3 | $71,016 | $71,016 – $72,084 |
| T J K M | 2 | $91,350 | $90,675 – $92,025 |
| Gradient Systematics LLC | 2 | $89,000 | $89,000 – $89,000 |
| C&M Associates, Inc. | 2 | $90,000 | $90,000 – $90,000 |
| T.Y. Lin International | 2 | $68,000 | $68,000 – $68,000 |
| BCC Engineering, LLC | 2 | $69,222 | $68,734 – $69,711 |
| Modern Mobility Partners, LLC | 2 | $75,198 | $73,599 – $76,796 |
| KFH Group, Inc | 2 | $116,480 | $116,480 – $116,480 |
| Hbss Connect Corp | 1 | $70,000 | $70,000 – $70,000 |
| Freese and Nichols, Inc. | 1 | $54,579 | $54,579 – $54,579 |
| CivTech Inc | 1 | $68,182 | $68,182 – $68,182 |
| Centre Area Transportation Authority | 1 | $71,800 | $71,800 – $71,800 |
| CTS Engineering, Inc. | 1 | $109,054 | $109,054 – $109,054 |
| Delta Freight Corporation | 1 | $94,394 | $94,394 – $94,394 |
| Nelson\Nygaard Consulting Associates, Inc. | 1 | $98,987 | $98,987 – $98,987 |
| LSA Associates, Inc. | 1 | $124,446 | $124,446 – $124,446 |
| High Valley Transit District | 1 | $90,000 | $90,000 – $90,000 |
| INCOG (Indian Nations Council of Governments) | 1 | $67,000 | $67,000 – $67,000 |
| Osiris 9 Consulting, LLC | 1 | $90,938 | $90,938 – $90,938 |
| Vanasse Hangen Brustlin Inc | 1 | $69,368 | $69,368 – $69,368 |
| Via Transportation, Inc. | 1 | $72,500 | $72,500 – $72,500 |
| Walla Walla Valley Metropolitan Planning Organization | 1 | $84,672 | $84,672 – $84,672 |