| Rank | Company | Phone | Amount | Comments |
|---|---|---|---|---|
| 1 | Nutter Corporation | 360-573-2000 | $565,239.22 | |
| 2 | Magna Construction Services, Inc. | 360-977-9004 | $595,681.13 | |
| 3 | C&R Tractor and Landscaping, Inc. | 360-577-8288 | $606,376.29 | |
| 4 | NOVA Contracting, Inc. | 360-754-2600 | $644,432.54 | |
| 5 | Midway Underground | 360-624-1304 | $645,121.18 | |
| 6 | Big River Excavating | 503-338-3878 | $646,210.09 |