| Business | Phone |
| A E Assoc Inc 600 University St # 400, Seattle 98101 | (206) 903-1900 |
| Acres International 400 N 34th St # 202, Seattle 98103 | (206) 547-2572 |
| Active View Corp 2401 4th Ave, Seattle 98121 | (206) 441-1042 |
| Aer Engineers Inc 112 5th Ave N, Seattle 98109 | (206) 447-9937 |
| Affiliated Engineers Inc 1601 5th Ave 1400, Seattle 98101 | (206) 256-0800 |
| Automated Teleservices & Eq 4319 Sw Concord St, Seattle 98136 | (206) 933-1480 |
| Bce Engineering 2100 5th Ave 200, Seattle 98121 | (206) 405-3975 |
| Beisans Engineering/Inspection 6501 Francis Ave N, Seattle 98103 | (206) 789-6617 |
| Bellas Consulting 7727 9th Ave Nw, Seattle 98117 | (206) 782-4387 |
| Berger/Abam Engineers Inc 720 Olive Way 1100, Seattle 98101 | (206) 357-5600 |
| Berryman & Henigar 720 3rd Ave 1200, Seattle 98104 | (206) 505-3400 |
| Beyaz & Patel Consulting Engnr 10740 Meridian Ave N # 200, Seattle 98133 | (206) 365-6647 |
| Bjy Inc 801 2nd Ave 306, Seattle 98104 | (206) 264-8400 |
| Black & Veatch 710 2nd Ave # 1160, Seattle 98104 | (206) 682-1133 |
| Business Development Resources 19604 International Blvd 200, Seattle 98188 | (206) 870-1880 |
| Carter & Burgess Inc 1420 5th Ave 2200, Seattle 98101 | (206) 224-5655 |
| Casault Engineering 2705 22nd Ave S, Seattle 98144 | (206) 324-8221 |
| Certified Facilities Corp 208 Columbia St, Seattle 98104 | (206) 622-2508 |
| Fac Systems Inc 6738 19th Ave Nw, Seattle 98117 | (206) 784-7275 |
| Crim & Crim 1504 Ne 140th St, Seattle 98125 | (206) 365-4831 |
| Da Roberts Me 3302 Fuhrman Ave E, Seattle 98102 | (206) 726-3445 |
| Davido Consulting Group 15029 Bothell Way Ne, Seattle 98155 | (206) 523-0024 |
| Deleuw Cather Inc 1001 4th Ave # 3210, Seattle 98154 | (206) 343-9078 |
| Deliberate Strategies Cnsltng 1402 3rd Ave, Seattle 98101 | (206) 624-6497 |
| Demich Engineering 3033 Ne 201st Pl, Seattle 98155 | (206) 363-1216 |
| Dennis H Parr & Assoc Seattle 98188 | (206) 243-8577 |
| Dhillon Engineers Inc 9594 1st Ave Ne 645, Seattle 98115 | (206) 223-0882 |
| E-Tek Products Seattle 98122 | (206) 860-7200 |
| Earth Tech 401 2nd Ave S # 101, Seattle 98104 | (206) 625-1053 |
| Echelon Engineering 3837 13th Ave W # 205, Seattle 98119 | (206) 286-6699 |
| Eisi Consulting Engineers 1900 W Emerson Pl 200, Seattle 98119 | (206) 284-1181 |
| Encysys Consulting 815 S Weller St # 109, Seattle 98104 | (206) 262-9688 |
| Eqe Structural Engineers 1411 4th Ave 500, Seattle 98101 | (206) 624-8687 |
| Erika James Co 370 1st Ave S, Seattle 98104 | (206) 392-3015 |
| Brown & Caldwell 701 Pike St 1200, Seattle 98101 | (206) 624-0100 |
| Bsi Consultants 1200 Westlake Ave N # 800, Seattle 98109 | (206) 298-1280 |
| Gray & Osborne Inc 701 Dexter Ave N 200, Seattle 98109 | (206) 284-0860 |
| Grl & Assoc Inc 2288 Cochester Dr E, Seattle 98101 | (206) 624-0220 |
| Flack & Kurtz Inc 1417 4th Ave 400, Seattle 98101 | (206) 342-9900 |
| Hamilton Engineering Inc 18020 8th Ave S 104, Seattle 98148 | (206) 244-0952 |
| Michael E Harkin Pe 7024 Beach Dr Sw, Seattle 98136 | (206) 935-1993 |
| Harris Group Inc 200 W Thomas St 200, Seattle 98119 | (206) 494-9400 |
| Hartman Associates Inc 810 3rd Ave 408, Seattle 98104 | (206) 382-0388 |
| Hatch Mott Mac Donald 6 Nickerson St 101, Seattle 98109 | (206) 838-2886 |
| Fsi Consulting Engineers 506 2nd Ave 320, Seattle 98104 | (206) 622-3321 |
| Herbert W Johnson 11555 16th Ave Ne, Seattle 98125 | (206) 365-3209 |
| Geo Matrix 600 University St 1020, Seattle 98101 | (206) 342-1760 |
| Glumac International 1325 4th Ave 1430, Seattle 98101 | (206) 262-1010 |
| Horizon Engineering Group Inc 10202 Evanston Ave N, Seattle 98133 | (206) 781-9303 |
| Image Consulting 601 Union St 42nd, Seattle 98101 | (206) 652-3326 |
| J K Windley & Assoc 5224 Seward Park Ave S, Seattle 98118 | (206) 725-7357 |
| Jack R Bennett Consultant's 927 N Northlake Way, Seattle 98103 | (206) 632-6070 |
| Jacobson Engineers 5220 Roosevelt Way Ne 2, Seattle 98105 | (206) 522-5511 |
| Jmn Consulting Engineers 1319 Dexter Ave N 295, Seattle 98109 | (206) 281-0767 |
| John Brenneman Consulting 2016 12th Ave W, Seattle 98119 | (206) 283-8203 |
| Jose Alma Engineering 1325 4th Ave 1401, Seattle 98101 | (206) 233-0447 |