| Business | Phone |
| Ahbl Civil & Structural 2215 N 30th St 300, Tacoma 98403 | (253) 383-2422 |
| Ahr Engineers Inc 5405 15th St E, Tacoma 98424 | (253) 922-2332 |
| Baseline Engineering Inc 1910 64th Ave W, Tacoma 98466 | (253) 565-4491 |
| Tom Hendershot Pe Tacoma 98409 | (253) 471-2817 |
| Ces Nw Inc 5210 12th St E, Tacoma 98424 | (253) 922-1532 |
| Sound Engineering Inc 1102 Commerce St 300, Tacoma 98402 | (253) 573-0040 |
| Robinson Engineering Po Box 110981, Tacoma 98411 | (253) 857-6333 |
| David Evans & Assoc 3700 Pacific Hwy E 311, Tacoma 98424 | (253) 922-9780 |
| Pac West Engineering 5009 Pacific Hwy E 9, Tacoma 98424 | (253) 926-3400 |
| Larson & Assoc 4401 S 66th St, Tacoma 98409 | (253) 474-3404 |
| John Knowles & Assoc Inc 8103 50th Ave E, Tacoma 98443 | (253) 539-1400 |
| Huitt-Zollars 302 S 9th St 101, Tacoma 98402 | (253) 627-9131 |