| Business | Phone |
| Gibbs & Olson Inc 2604 12th Ct Sw A, Olympia 98502 | (360) 352-1120 |
| Hardesty & Hanover 1235 4th Ave E 200, Olympia 98506 | (360) 943-4139 |
| Hdr/Ees 626 Columbia St Nw # 2a, Olympia 98501 | (360) 352-5090 |
| M C Squared Inc 1235 4th Ave E 101, Olympia 98506 | (360) 754-9339 |
| Mark Leingang Engineers Cnslnt 7736 78th Loop Nw, Olympia 98502 | (360) 866-7205 |
| Lochner 4021 Patrick Ct Se, Olympia 98501 | (360) 352-0935 |