| Business | Phone |
| All Structural Engineering Spokane 99223 | (509) 993-4568 |
| Atwood Hinzman Inc 1819 E Springfield Ave, Spokane 99202 | (509) 535-0138 |
| Dci Engineers 601 W Riverside Ave 600, Spokane 99201 | (509) 455-4448 |
| John Fulginiti Pe 4505 W Navaho Ave, Spokane 99208 | (509) 467-7026 |
| Golden Graper & Burton 1500 W 4th Ave 509, Spokane 99204 | (509) 624-3224 |
| Nicholls Engineering Po Box 14706, Spokane 99214 | (509) 921-6747 |
| Rapp Consultants Spokane 99212 | (509) 928-3558 |
| Structural Design Northwest 926 W Sprague Ave 581, Spokane 99201 | (509) 456-5253 |
| Structural Systems Design 104 S Freya St 103a, Spokane 99202 | (509) 535-8183 |