| W & H Pacific | (425) 951-4800 |
| 3350 Monte Villa Parkway, Bothell, WA 98021 | Fax: (425) 951-4808 |
| (No description listed) | |
| W & H Pacific | (208) 342-5400 |
| 3130 S Owyhee, Boise, ID 83705 | Fax: None Listed |
| (No description listed) | |
| W & H Pacific | (509) 252-5026 |
| 12409 E Mirabeau Parkway Ste 300, Spokane Valley, WA 99216 | Fax: (509) 252-5056 |
| (No description listed) | |
| W & H Pacific | (503) 526-0775 |
| 9755 SW Barnes Rd, Portland, OR 97225 | Fax: (503) 626-0455 |
| (No description listed) | |
| WGM Group Inc | (406) 728-4611 |
| 1111 E Broadway, Missoula, MT 59802 | Fax: (406) 728-2476 |
| (No description listed) | |
| WJA Design Collaborative | (206) 265-2570 |
| 1736 Fourth Ave Ste A, Seattle, WA 98134-1502 | Fax: (206) 254-2571 |
| (No description listed) | |
| WRS Architecture | (406) 453-9214 |
| 810 14th St N, Great Falls, MT 59401 | Fax: (406) 453-9293 |
| (No description listed) | |
| WSP Flack & Kurtz | (206) 342-9900 |
| 600 University Ste 500, Seattle, WA 98101 | Fax: (206) 883-1205 |
| (No description listed) | |
| WWC Engineering | (307) 672-5167 |
| 1849 Terra Ave, Sheridian, WY 82801 | Fax: None Listed |
| (No description listed) | |
| Waldron Akira Architecture | (206) 285-7700 |
| 920 North 34th Street #123, Seattle, WA 98103 | Fax: (206) 285-6690 |
| (No description listed) | |
| Walkenhauer & Associates Inc | (509) 248-9070 |
| 2506 Fruitvale Blvd, Yakima, WA 98902 | Fax: (509) 248-9251 |
| (No description listed) | |
| Walker Macy | (503) 228-3122 |
| 111 SW Oak St Ste 200, Portland, OR 97204 | Fax: (503) 273-8878 |
| (No description listed) | |
| Steve Wallace Architect | (208) 232-2255 |
| 1540 N Arthur Ave, Pocatello, ID 83204 | Fax: (208) 232-3668 |
| (No description listed) | |
| Wallis Engineering | (360) 695-7041 |
| 215 W 4th St Ste 200, Vancouver, WA 98660 | Fax: (360) 694-1043 |
| (No description listed) | |
| Wardell Architects PS | (509) 453-3693 |
| 509 W Chestnut, Yakima, WA 98902 | Fax: (509) 453-1336 |
| (No description listed) | |
| Washington Engineering | (360) 405-1420 |
| 4040 Wheaton Way #202, Bremerton, WA 98310 | Fax: (360) 377-4153 |
| (No description listed) | |
| Washington Group International Inc | (303) 843-2000 |
| 7800 E Union Ave Suite 100, Denver, CO 80237 | Fax: (303) 843-2208 |
| (No description listed) | |
| Washington Group International | (703) 236-2790 |
| 2345 Crystal Dr Ste 708, Arlington, VA 22202 | Fax: None Listed |
| (No description listed) | |
| Water Quality Engineering Inc | (509) 663-1303 |
| 103 PalouseSt Ste 2, Wenatchee, WA 98801 | Fax: (509) 663-9449 |
| (No description listed) | |
| Water Technology | (920) 887-7375 |
| , Beaver Dam, WI 53916 | Fax: None Listed |
| (No description listed) | |
| Waterleaf Architecture | (503) 228-7571 |
| 419 SW 11th Ave, Suite 200, Portland, OR 97205 | Fax: (503) 273-8891 |
| (No description listed) | |
| Waters Edge Architectural Group Inc | (320) 235-7775 |
| 103 Fifteenth Ave NW Suite 300, Willmar, MN 56201 | Fax: (320) 235-8673 |
| (No description listed) | |
| Weinstein A/U | (206) 443-8606 |
| 121 Stewart Street Suite 200, Seattle, WA 98101 | Fax: (206) 443-1212 |
| (No description listed) | |
| Welch Comer Engineers | (509) 255-6000 |
| PO Box 861, Liberty Lake, WA 99109 | Fax: (509) 255-6009 |
| (No description listed) | |
| Welch Comer Engineers | (208) 664-9382 |
| 350 E Kathleen Ave, Coeur d Alene, ID 83815 | Fax: (208) 664-5946 |
| (No description listed) | |
| Weller Architecture | (505) 255-8270 |
| 401 Alvarado Dr SE, Albuquerque, NM 87108 | Fax: None Listed |
| (No description listed) | |
| West Sound Engineering | (360) 876-3770 |
| 217 Wilkins Dr SE, Port Orchard, WA 98366 | Fax: (360) 876-0439 |
| (No description listed) | |
| Westech Engineering | (503) 585-2474 |
| 3841 Fairview Industrial Dr SE, Salem, OR 97302 | Fax: None Listed |
| (No description listed) | |
| Western Montana Engineers | (406) 721-5776 |
| 1527 S Russell, Missoula, MT 59801 | Fax: (406) 721-5777 |
| (No description listed) | |
| Whipple Consulting Engineers | (509) 893-2617 |
| 2528 N Sullivan Rd Spokane Valley 99216, Spokane Valley, WA 99037 | Fax: (509) 926-0227 |
| (No description listed) | |
| WHR Architects Inc | (713) 852-3647 |
| 1111 Louisiana ST FL 26, Houston , TX 77002 | Fax: None Listed |
| (No description listed) | |
| William Polk & Associates | (206) 622-8443 |
| 1120 Post Alley, Seattle, WA 98134 | Fax: None Listed |
| (No description listed) | |
| Wilson Architecture | (208) 344-1800 |
| 4961 Bradley Ste A, Garden City, ID 83714 | Fax: None Listed |
| (No description listed) | |
| Wilson Engineering | (360) 733-6100 |
| 805 Dupont St, Bellingham, WA 98225 | Fax: (360) 647-9061 |
| (No description listed) | |
| Winzer & Kelly Consulting Engineers | (415) 283-4970 |
| 417 Montgomery St Ste 600, San Francisco, CA 94104 | Fax: (415) 283-4980 |
| (No description listed) | |
| Wiss Janney Elstner Associates Inc | (206) 622-1441 |
| 83 S King St Ste 600, Seattle, WA 98104 | Fax: None Listed |
| (No description listed) | |
| Wolfe Architectural Group (WAG) | (509) 455-6999 |
| 1015 N Calispel Ste B, Spokane, WA 99201 | Fax: (509) 455-3933 |
| (No description listed) | |
| Womer & Associates | (509) 534-4884 |
| 1819 E Springfield Ave, Spokane, WA 99202 | Fax: None Listed |
| (No description listed) | |
| Wood / Harbinger Inc | (425) 822-9499 |
| 3025 - 112th Ave NE Ste 100, Bellevue, WA 98004 | Fax: None Listed |
| (No description listed) | |
| Worth Group | (775) 852-3977 |
| 9400 Gateway Dr Ste B, Reno, NV 89521 | Fax: (775) 852-6543 |
| (No description listed) | |
| Worth Group Architects | (702) 869-9354 |
| 7945 West Sahara Ave, Suite 202, Las Vegas, NV 89117 | Fax: (702) 869-9899 |
| (No description listed) | |
| WPA Architecture | (206) 233-0550 |
| 911 Western Ave, Ste 380, Seattle, WA 98104 | Fax: None Listed |
| (No description listed) | |
| WPH Architecture | (503) 827-0505 |
| 513 NW 13th Ave, Portland, OR 97209 | Fax: None Listed |
| (No description listed) | |
| WTR Consulting Engineers | (406) 441-4000 |
| 210 E Lyndale, Helena, MT 59601 | Fax: (406) 441-4001 |
| (No description listed) | |
| Wyatt Architecture | (509) 928-1860 |
| 2510 N Pines Rd , Spokane, WA 99206 | Fax: None Listed |
| (No description listed) | |