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List by starting letter
| A & E Architects PC | (406) 721-5643 |
| 222 N Higgins Ave, Missoula, MT 58902 | Fax: (406) 721-1887 |
| (No description listed) | |
| A & E Architects PC | (406) 248-2633 |
| 608 N 29th St, Billings, MT 59101 | Fax: (406) 248-2427 |
| (No description listed) | |
| A & E Engineering Inc | (208) 589-5107 |
| PO Box 1327, Pocatello, ID 83204 | Fax: (208) 233-3997 |
| (No description listed) | |
| A & E Services Division | (801) 240-1760 |
| 50 E North Temple, Salt Lake City, UT 84150 | Fax: None Listed |
| (No description listed) | |
| ABC Building Concepts LLC | (701) 577-2222 |
| 107 Main St, Williston, ND 58801 | Fax: None Listed |
| (No description listed) | |
| ACS Group Inc | (360) 574-3339 |
| 8117 NE 13th Ave, Vancouver, WA 98665 | Fax: (360) 574-0342 |
| (No description listed) | |
| AEI Engineering Inc | (208) 666-4001 |
| 1910 NW Blvd Ste 201, Coeur d Alene, ID 83814 | Fax: (208) 666-4021 |
| (No description listed) | |
| AHBL Inc | (253) 383-2422 |
| 2215 N 30th St Ste 300, Tacoma, WA 98043-3350 | Fax: (253) 383-2572 |
| (No description listed) | |
| AHBL Inc | (509) 252-5019 |
| 505 W Riverside Ave Ste 500, Spokane, WA 99201 | Fax: (509) 450-0396 |
| (No description listed) | |
| AHBL Inc | (206) 267-2425 |
| 1200 6th Avenue suite 1600, Seattle, WA 98101 | Fax: (206) 267-2429 |
| (No description listed) | |
| AHJ Engineers | (208) 323-0199 |
| 12501 W Explorer Dr, S-100, Boise, ID 83713 | Fax: (208) 375-5251 |
| (No description listed) | |
| AHTNA Engineering Services LLC | (425) 864-1695 |
| 560 E 34th Ave Ste 101, Anchorage, AK 99503 | Fax: None Listed |
| (No description listed) | |
| AKS Engineering & Forestry | (541) 526-6975 |
| 1810 SE 1st St Ste K, Redmond, OR 97756 | Fax: (541) 526-6974 |
| (No description listed) | |
| AKS Engineering & Forestry | (503) 925-8799 |
| 13910 SW Galbreath Dr Ste 100, Sherwood, OR 97140 | Fax: None Listed |
| (No description listed) | |
| AL Collaborative Architecture | (208) 514-2713 |
| 1119 E State St Ste 120, Eagle, ID 83616 | Fax: None Listed |
| (No description listed) | |
| ALSC Architects PS | (509) 838-8568 |
| 203 N Washington Ste 400, Spokane, WA 99201-0245 | Fax: (509) 458-3710 |
| (https://hosted.onlineplanservice.com/Project/231) | |
| AMC Engineers | (907) 257-9100 |
| 701E Tudor Rd Ste 250, Anchorage, AK 99503 | Fax: (907) 257-9191 |
| (No description listed) | |
| APM Synergy | (509) 947-6969 |
| 8500 Gage Blvd Ste B, Kennewick, WA 99336 | Fax: None Listed |
| (No description listed) | |
| AWA Electrical Consultants Inc | (425) 775-1799 |
| 19015 - 36th Avenue W, Suite H, Lynnwood, WA 98036 | Fax: (425) 774-9870 |
| (No description listed) | |
| A2Z Engineering | (406) 250-5000 |
| 115 Commons Way Suite 201, Kalispell, MT 59901 | Fax: None Listed |
| (No description listed) | |
| TAC / Abacus Engineered Systems | (206) 583-0200 |
| 401 Second Ave S Ste 201, Seattle, WA 98104 | Fax: (206) 583-8826 |
| (No description listed) | |
| Absolute Architecture LLC | (720) 299-4003 |
| 2962 E Montclair Court, Highlands Ranch, CO 80126 | Fax: None Listed |
| (No description listed) | |
| Absolute Engineering LLC | (509) 734-9767 |
| 7525 W Deschutes Pl Ste 2B, Kennewick, WA 99336 | Fax: (509) 734-9877 |
| (No description listed) | |
| ACE Solutions LLC | (208) 777-1854 |
| 609 N Calgary Ct Ste 7, Post Falls, ID 83854 | Fax: None Listed |
| (No description listed) | |
| Active Engineering | (425) 776-8119 |
| 6605 200th St Sw, Lynnwood, WA 98036 | Fax: (425) 775-1960 |
| (No description listed) | |
| Adams & Clark Inc | (509) 747-4600 |
| 1720 W 4th Ave, Spokane, WA 99204 | Fax: (509) 747-8913 |
| (No description listed) | |
| ADCOMM Engineering Company | (425) 489-0125 |
| 3929 184th Place SE, Bothell, WA | Fax: None Listed |
| (No description listed) | |
| ADCOMM Engineering Company | (206) 954-7485 |
| 2307 Cascade Pl W, University Place, WA 98466 | Fax: (206) 374-2834 |
| (No description listed) | |
| ADCOMM Engineers | (509) 586-3676 |
| 1805 W 40th Ave, Kennewick, WA 99337 | Fax: (509) 586-2605 |
| (No description listed) | |
| ADCOMM Engineers | (425) 821-8827 |
| 14631 128th Avenue NE, Woodenville, WA 98072 | Fax: None Listed |
| (No description listed) | |
| Adler Architects, Inc | (406) 549-4861 |
| 210 N Higgins Ave Suite 334, Missoula, MT 59802 | Fax: (406) 549-4844 |
| (No description listed) | |
| Ardurra | (208) 323-2288 |
| 2471 S Titanium Pl, Meridian, ID 83642 | Fax: (208) 323-2399 |
| (No description listed) | |
| Aegis Engineering Inc | |
| 140 E Broadway, Missoula, MT 59401 | Fax: None Listed |
| (No description listed) | |
| Aegis Engineering PLLC | (425) 745-4700 |
| 6725 162nd Pl SW, Lynnwood, WA 98037 | Fax: None Listed |
| (No description listed) | |
| Affiliated Engineers NW Inc | (206) 829-7305 |
| 1601 5th Ave Ste 1400, Seattle, WA 98101 | Fax: None Listed |
| (No description listed) | |
| Agritecture Inc | (406) 227-1593 |
| 3782 E Riggs St, East Helena, MT 59635 | Fax: (406) 227-1593 |
| (No description listed) | |
| Ahtna Engineering Services LLC | (916) 372-2000 |
| 3680 Industrial Blvd Ste 600H, West Sacramento, CA 85691 | Fax: (916) 342-9401 |
| (No description listed) | |
| Akana | (503) 652-9090 |
| 6400 SE Lake Road, Suite 200, Portland, OR 97222 | Fax: None Listed |
| (No description listed) | |
| Akana - Cooper Zietz Engineers Inc | (206) 768-8500 |
| 720 3rd Ave , Seattle, WA 98104 | Fax: None Listed |
| (No description listed) | |
| Akana - Cooper Zietz Engineers Inc | (503) 652-9090 |
| 6400 SE Lake Road Suite 270, Portland, OR 97222 | Fax: (503) 652-9091 |
| (No description listed) | |
| AKS Engineering & Forestry LLC | |
| 4300 Cherry Ave NE, Keizer, OR 97303 | Fax: None Listed |
| (No description listed) | |
| AKS Engineering & Forestry, LLC | (503) 563-6151 |
| 12965 SW Herman Road Suite 100, Tualatin, OR 97062 | Fax: None Listed |
| (No description listed) | |
| Alderson Karst & Mitro Architects | (208) 522-4030 |
| 379 'A' St, Idaho Falls, ID 83402 | Fax: None Listed |
| (No description listed) | |
| Allana Buick & Bers Inc | (206) 443-6499 |
| 2201 - 6th Ave Ste 1310, Seattle, WA 98121 | Fax: (206) 426-2800 |
| (No description listed) | |
| Allied Engineering Services Inc | (406) 582-0221 |
| 32 Discovery Dr, Bozeman, MT 59718 | Fax: (406) 582-5770 |
| (No description listed) | |
| Allstate Engineering | |
| 1206 S Alvarado St Unit A, Los Angeles, CA 90006 | Fax: None Listed |
| (No description listed) | |
| Allwest Testing & Engineering | (509) 534-4411 |
| 12928 E Indiana Ave Ste 1, Spokane Valley, WA 99216 | Fax: (509) 534-9326 |
| (No description listed) | |
| Allwest Testing & Engineering | (208) 743-5710 |
| 2705 East Main Street, Lewiston, ID 83501 | Fax: (208) 743-8270 |
| (No description listed) | |
| Allwest Testing & Engineering | (208) 762-4721 |
| 690 W Capstone Court, Hayden, ID 83835 | Fax: (208) 762-0942 |
| (No description listed) | |
| ALSC Architects PS | (208) 676-8292 |
| 6500 Mineral Drive Suite 101, Coeur D Alene, ID 83815 | Fax: None Listed |
| (No description listed) | |
| Alta Science & Engineering Inc | (208) 882-7858 |
| 1220 Big Creek Rd Ste A, Kellogg, ID 83837 | Fax: (208) 786-1209 |
| (No description listed) | |
| Ambia Enduring Architecture | (360) 943-4650 |
| 724 Columbia Street NW Suite 400, Olympia, WA 98501 | Fax: (360) 357-9022 |
| (No description listed) | |
| AMEC | (425) 368-1000 |
| 11810 North Creek Parkway N, Bothell, WA 98011 | Fax: (425) 368-1001 |
| (No description listed) | |
| American Engineers | (425) 881-7430 |
| 4032 148th Ave NE, Redmond, WA 98052 | Fax: None Listed |
| (No description listed) | |
| American Engineers Group LLC | (484) 971-6895 |
| 111 Condor Ridge Ct, Audubon, PA 19403 | Fax: None Listed |
| (No description listed) | |
| Ames Engineering | (406) 458-0494 |
| 5660 Falcon Road, Helena, MT 59602 | Fax: None Listed |
| (No description listed) | |
| Anacker Architects | (406) 257-7125 |
| 1649 US Highway 2 W, Kalispell, MT 59901 | Fax: (406) 756-3409 |
| (No description listed) | |
| Anchor Environmental LLC | (425) 827-3243 |
| 811 Kirkland Ave Ste 200 Kirkland WA 98101, Kirkland, WA 98083 | Fax: (425) 827-3509 |
| (No description listed) | |
| Anderson Bjornstad Kane Jacob (ABKJ) | (206) 340-2255 |
| 800 - 5th Ave, Seattle, WA 98104-3122 | Fax: (206) 340-2266 |
| (No description listed) | |
| Anderson Perry & Associates Inc | (509) 529-9260 |
| 214 E Birch Ave , Walla Walla, WA 99362 | Fax: (509) 529-8102 |
| (No description listed) | |
| Anderson Perry & Associates Inc | (541) 963-8309 |
| 1901 Fir St , La Grande, OR 97850 | Fax: (541) 963-5456 |
| (No description listed) | |
| Anderson Perry & Associates Inc | (541) 362-8682 |
| 2659 SW 4th St 200, Redmond, OR 97756 | Fax: (541) 963-5456 |
| (No description listed) | |
| Anderson-Montgomery Consulting Engineers Inc | (406) 449-3303 |
| 1064 N Warren St, Helena, MT 59601 | Fax: (406) 449-3304 |
| (No description listed) | |
| Andrews Architects | (503) 239-4387 |
| 915 NE 25th Ave Ste 207, Portland, OR 97232 | Fax: (503) 231-3369 |
| (No description listed) | |
| Ankrom Moisan Architects | (206) 576-1600 |
| 1505 5th Ave Ste 300, Seattle, WA 98101 | Fax: None Listed |
| (No description listed) | |
| Apec Inc | (406) 755-1333 |
| 2593 US Hwy 2 E Ste 3, Kalispell, MT 59901 | Fax: None Listed |
| (No description listed) | |
| Apex Companies LLC | (509) 922-4973 |
| 14015 E 12th Ave, Veradale, WA 99037 | Fax: (509) 922-1783 |
| (No description listed) | |
| Apex Engineering | (253) 473-4494 |
| 2601 S 35th Ste 200, Tacoma , WA 98409 | Fax: (253) 473-0599 |
| (No description listed) | |
| Aplite Engineering PC | (718) 898-0406 |
| 38-78 12th St, Long Island City, NY 11101 | Fax: None Listed |
| (No description listed) | |
| Appellation Engineering & Consulting LLC | (509) 529-3900 |
| 513 N Wilbur Ave, Walla Walla, WA 99362 | Fax: (509) 529-3901 |
| (No description listed) | |
| ARA Architects | (360) 671-0933 |
| 1310 Broadway Ste 2-C, Bellingham, WA 98225 | Fax: None Listed |
| (No description listed) | |
| Arbor South Architecture | (541) 344-3332 |
| 380 Lincoln Street, Eugene, OR 97401 | Fax: None Listed |
| (No description listed) | |
| AC + Co Architecture | |
| 363 State St, Salem, OR 97301 | Fax: None Listed |
| (No description listed) | |
| ARC Architect | (206) 322-3322 |
| 1101 E Pike St, Seattle, WA 98102 | Fax: None Listed |
| (No description listed) | |
| Arc Architects Inc | (206) 322-3322 |
| 119 S Main St STE 200, Seattle, WA 98122 | Fax: None Listed |
| (No description listed) | |
| Architecture & Engineering Division - State of Montana - Dept of Administration | (406) 444-3104 |
| 1520 E Sixth Ave, Helena, MT 59601 | Fax: (404) 444-3399 |
| (No description listed) | |
| Architectural & Engineering Services - EWU | (509) 359-6323 |
| 101 Rozell , Cheney, WA 99004 | Fax: None Listed |
| (No description listed) | |
| Archambault & Company | (406) 245-6289 |
| 2 Miles West Hwy 89 Browning MT 59434, Browning, MT 59417 | Fax: None Listed |
| (No description listed) | |
| Archibald & Company Architects PS | (509) 946-4189 |
| 660 Symons St, Richland, WA 99354 | Fax: (509) 943-1796 |
| (No description listed) | |
| Architectural Consulting Service | (509) 922-4270 |
| 4123 S Conifer Ct , Spokane, WA 99206 | Fax: (509) 922-9235 |
| (No description listed) | |
| Architects Rasmussen Triebelhorn | (253) 572-5511 |
| #9 St Hellens Ave , Tacoma, WA 98402 | Fax: None Listed |
| (No description listed) | |
| Architects Northwest | (406) 752-3729 |
| 575 Sunset Blvd Ste 110, Kalispell, MT 59901 | Fax: (406) 752-3790 |
| (No description listed) | |
| Architects West Inc | (208) 667-9402 |
| 210 E Lakeside Ave, Coeur d Alene, ID 83814 | Fax: (208) 667-6103 |
| (No description listed) | |
| Architectural & Engineering Services-U of I | (208) 885-6246 |
| University of Idaho 875 Perimeter Drive , Moscow, ID 83844 | Fax: None Listed |
| (No description listed) | |
| Architectural Nexus Inc | (801) 924-5000 |
| 2505 Parleys Way, Salt Lake City, UT 84106 | Fax: None Listed |
| (No description listed) | |
| Architectural Resources Group | (971) 256-5324 |
| 720 SW Washington St, Portland, OR 97205 | Fax: None Listed |
| (No description listed) | |
| Architectural Specialties | (509) 965-4355 |
| 10203 Orchard Avenue, Yakima, WA | Fax: None Listed |
| (No description listed) | |
| Architectural Ventures | (509) 922-5287 |
| 9802 E Mission , Spokane, WA 99206 | Fax: None Listed |
| (No description listed) | |
| Architectural Werks Inc | (425) 823-2244 |
| 11335 NE 122nd Way Ste 140, Kirkland, WA 98034 | Fax: (425) 821-1715 |
| (No description listed) | |
| Architecture 118 LLC | (406) 404-1777 |
| 115 E Oak St, Bozeman, MT 59715 | Fax: None Listed |
| (No description listed) | |
| Architecture for Everyone | (253) 208-4052 |
| 15529 - 94th Ave East, Puyallup, WA 98375 | Fax: None Listed |
| (No description listed) | |
| Architecture Northwest | (208) 467-3377 |
| 224 - 16th Ave South, Nampa, ID 83651 | Fax: (208) 467-4343 |
| (No description listed) | |
| Arculus Design & Technical Services | (509) 783-0123 |
| 6855 W Clearwater Ave Ste K, Kennewick, WA 99336 | Fax: (509) 793-2345 |
| (No description listed) | |
| Ardurra | (208) 762-3644 |
| 280 W Prairie Ave, Coeur d Alene, ID 83815 | Fax: (208) 762-3708 |
| (No description listed) | |
| Ardurra | (208) 442-6300 |
| 332 N Broadmore Way, Nampa, ID 83687 | Fax: (208) 466-0944 |
| (No description listed) | |
| Ardurra | (509) 319-2580 |
| 1717 S Rustle St Ste 201, Spokane, WA 99224 | Fax: (509) 319-2590 |
| (No description listed) | |
| Ardurra | (307) 587-3411 |
| 502 33rd St, Cody, WY 82414 | Fax: None Listed |
| (No description listed) | |
| Ardurra | (435) 315-3168 |
| 2175 W 3000 S Ste 200, Heber, UT 84032 | Fax: None Listed |
| (No description listed) | |
| Ardurra | (208) 433-1900 |
| 1998 W Judith Ln, Boise, ID 83705 | Fax: None Listed |
| (No description listed) | |
| Ardurra | (307) 223-2912 |
| 205 Storey Blvd Ste 120, Cheyenne, WY 82009 | Fax: None Listed |
| (No description listed) | |
| Ardurra | (864) 328-1254 |
| 220 N Main St Ste 500, Greenville, SC 29601 | Fax: None Listed |
| (No description listed) | |
| ARES Corporation | (509) 946-3300 |
| 1100 Jadwin Ave Ste 400, Richland, WA 99352 | Fax: (509) 946-6006 |
| (No description listed) | |
| Arete Design Group, LLC | |
| 45 E Loucks St #301, Sheridan, WY 82801 | Fax: None Listed |
| (No description listed) | |
| Gerald Arnzen | (208) 983-0073 |
| 823 Elk St, Grangeville, ID 83530 | Fax: None Listed |
| (No description listed) | |
| Arseal Technologies LLC | (678) 387-1200 |
| 5900 Winward Pkwy Ste 100, Alpharetta, GA 30005-8941 | Fax: (678) 297-9644 |
| (No description listed) | |
| Art & Architecture Studio PC | (406) 549-0433 |
| 700 SW Higgins , Missoula, MT 59803 | Fax: (406) 549-3701 |
| (No description listed) | |
| Artekta Inc | (701) 526-3693 |
| 406 N Broadway, Fargo, ND 58102 | Fax: (701) 526-3694 |
| (No description listed) | |
| Artios Architecture | (509) 455-8180 |
| 1325 W 1st Ave Ste 210, Spokane, WA 99201 | Fax: (509) 838-7034 |
| (No description listed) | |
| Ascension Group Architects | (817) 226-1917 |
| 1250 E Copeland Suite 500, Arlington, TX 76011 | Fax: (817) 226-1919 |
| (No description listed) | |
| Ascent Architecture and Interiors | (541) 647-5675 |
| 920 NW Bond St Ste 204, Bend, OR 97703 | Fax: None Listed |
| (No description listed) | |
| Associated Architects | (208) 882-5051 |
| 129 W Third Ave, Moscow, ID 83843 | Fax: (208) 882-8543 |
| (No description listed) | |
| Associated Construction Engineers | (406) 388-3320 |
| 12 North Broadway, Belgrade, MT 59714 | Fax: (406) 388-3389 |
| (No description listed) | |
| Associated Construction Engineering Inc | (406) 245-0136 |
| 2040 Harnish Rd, Billings, MT 59101 | Fax: (406) 245-2084 |
| (No description listed) | |
| AT Architecture, Inc. | (406) 245-2724 |
| 848 Main Street, Suite 7, Billings, MT 59105 | Fax: (406) 245-0207 |
| (No description listed) | |
| Atwood Architecture | (406) 855-4262 |
| 1301 Division Suite A, Billings, MT 59101 | Fax: (406) 245-9988 |
| (No description listed) | |
| Atwood-Hinzman | (509) 535-0138 |
| 1819 E Springfield , Spokane, WA 99202 | Fax: (509) 535-7244 |
| (No description listed) | |
| August Hill Architects | (253) 302-4651 |
| 4109 N Stevens St, Tacoma, WA 98407 | Fax: None Listed |
| (No description listed) | |
| Aurora Engineering Inc | (360) 794-1794 |
| PO Box 1089, Monroe, WA 98272 | Fax: (360) 863-1385 |
| (No description listed) | |
| AustinCina Architects, P.S. | |
| 12202 Pacific Avenue S, Suite C, Tacoma, WA 98444 | Fax: None Listed |
| (No description listed) | |
| Ayers/Saint/Goss | (410) 347-8500 |
| 1040 Hull St Ste 100, Baltimore, MD 21202 | Fax: (410) 347-8519 |
| (No description listed) | |
| Aylor Co Arch | (509) 535-5374 |
| 3627 S Altamont, Spokane, WA 99223 | Fax: None Listed |
| (No description listed) | |
| Ayres & Associates | (360) 943-5499 |
| 1349 East Bay Dr NE, Olympia, WA 98506 | Fax: (360) 709-9213 |
| (No description listed) | |
|
Spokane Regional Plan Center - 209 N Havana - Spokane Wa 99202 Ph 509.328.9600 Fx 509.328.7279 Open Monday thru Friday - 8:00 AM to 4:00 PM |
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