| Business | Phone |
| Tetra Tech/Kcm 10101 271st St Nw, Stanwood 98292 | (360) 629-0242 |
| Centre Pointe Consultants 14617 E Lake Goodwin Rd, Stanwood 98292 | (425) 212-2324 |
| Diversified Engineering Svc 14617 E Lake Goodwin Rd, Stanwood 98292 | (360) 654-0449 |
| Eagle Engineering 7701 272nd St Nw, Stanwood 98292 | (360) 629-2761 |