| Business | Phone |
| Sabco Consulting Engineers Inc 2200 Merchant Way, Everett 98208 | (425) 338-0342 |
| Nick Lehtinen Engineers 4120 Hoyt Ave, Everett 98203 | (425) 252-2373 |
| West Coast Structural Engrg 8620 Holly Dr 220, Everett 98208 | (425) 347-8998 |
| Structural Design Assoc 2210 Hewitt Ave 401, Everett 98201 | (425) 339-0293 |