1 KPFF Consulting Engineers OR AND SW WASH. LICENSED PROFESSIONALS: 149 OR AND SW WASH. EMPLOYEES: 210 CITY: PORTLAND OFFICES WORLDWIDE: 24 YEAR ESTABLISHED: 1960 2 AKS Engineering & Forestry OR AND SW WASH. LICENSED PROFESSIONALS: 139 OR AND SW WASH. EMPLOYEES: 354 CITY: TUALATIN OFFICES WORLDWIDE: 6 YEAR ESTABLISHED: 1996 3 David Evans Enterprises OR AND SW WASH. LICENSED PROFESSIONALS: 135 OR AND SW WASH. EMPLOYEES: 349 CITY: PORTLAND OFFICES WORLDWIDE: 28 YEAR ESTABLISHED: 1976 4 ZGF Architects OR AND SW WASH. LICENSED PROFESSIONALS: 120 OR AND SW WASH. EMPLOYEES: 261 CITY: PORTLAND OFFICES WORLDWIDE: 7 YEAR ESTABLISHED: 1942 5 Mackenzie OR AND SW WASH. LICENSED PROFESSIONALS: 95 OR AND SW WASH. EMPLOYEES: 175 CITY: PORTLAND OFFICES WORLDWIDE: 3 YEAR ESTABLISHED: 1960 6 AECOM Technical Services OR AND SW WASH. LICENSED PROFESSIONALS: 80 OR AND SW WASH. EMPLOYEES: 84 CITY: PORTLAND OFFICES WORLDWIDE: 364 YEAR ESTABLISHED: 1990 7 Harper Houf Peterson Righellis OR AND SW WASH. LICENSED PROFESSIONALS: 79 OR AND SW WASH. EMPLOYEES: 115 CITY: PORTLAND OFFICES WORLDWIDE: 4 YEAR ESTABLISHED: 1990 TIE 8 Parametrix OR AND SW WASH. LICENSED PROFESSIONALS: 60 OR AND SW WASH. EMPLOYEES: 156 CITY: PORTLAND OFFICES WORLDWIDE: 18 YEAR ESTABLISHED: 1969 TIE 8 Otak OR AND SW WASH. LICENSED PROFESSIONALS: 60 OR AND SW WASH. EMPLOYEES: 193 CITY: PORTLAND OFFICES WORLDWIDE: 8 YEAR ESTABLISHED: 1981 TIE 10 Mahlum OR AND SW WASH. LICENSED PROFESSIONALS: 45 OR AND SW WASH. EMPLOYEES: 85 CITY: PORTLAND OFFICES WORLDWIDE: 2 YEAR ESTABLISHED: 1938 TIE 10 GBD Architects OR AND SW WASH. LICENSED PROFESSIONALS: 45 OR AND SW WASH. EMPLOYEES: 67 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1969 12 Hennebery Eddy Architects OR AND SW WASH. LICENSED PROFESSIONALS: 42 OR AND SW WASH. EMPLOYEES: 88 CITY: PORTLAND OFFICES WORLDWIDE: 3 YEAR ESTABLISHED: 1992 13 Scott | Edwards Architecture OR AND SW WASH. LICENSED PROFESSIONALS: 37 OR AND SW WASH. EMPLOYEES: 90 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1998 14 Shannon & Wilson OR AND SW WASH. LICENSED PROFESSIONALS: 23 OR AND SW WASH. EMPLOYEES: 36 CITY: LAKE OSWEGO OFFICES WORLDWIDE: 14 YEAR ESTABLISHED: 1954 15 Skylab Architecture OR AND SW WASH. LICENSED PROFESSIONALS: 22 OR AND SW WASH. EMPLOYEES: 25 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1999 16 TVA Architects OR AND SW WASH. LICENSED PROFESSIONALS: 17 OR AND SW WASH. EMPLOYEES: 33 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1984 17 Soderstrom Architects OR AND SW WASH. LICENSED PROFESSIONALS: 16 OR AND SW WASH. EMPLOYEES: 42 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1984 TIE 18 3J Consulting OR AND SW WASH. LICENSED PROFESSIONALS: 15 OR AND SW WASH. EMPLOYEES: 43 CITY: BEAVERTON OFFICES WORLDWIDE: 2 YEAR ESTABLISHED: 2009 TIE 18 FFA Architecture and Interiors OR AND SW WASH. LICENSED PROFESSIONALS: 15 OR AND SW WASH. EMPLOYEES: 28 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1956 20 PIVOT Architecture OR AND SW WASH. LICENSED PROFESSIONALS: 14 OR AND SW WASH. EMPLOYEES: 29 CITY: EUGENE OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1956 21 OH Planning & Design, Architecture OR AND SW WASH. LICENSED PROFESSIONALS: 12 OR AND SW WASH. EMPLOYEES: 25 CITY: PORTLAND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 2004 TIE 22 BBT Architects OR AND SW WASH. LICENSED PROFESSIONALS: 9 OR AND SW WASH. EMPLOYEES: 17 CITY: BEND OFFICES WORLDWIDE: 1 YEAR ESTABLISHED: 1975 TIE 22 SMG Engineers OR AND SW WASH. LICENSED PROFESSIONALS: 9 OR AND SW WASH. EMPLOYEES: 31 CITY: BEAVERTON OFFICES WORLDWIDE: 2 YEAR ESTABLISHED: 1971 TIE 22 Harris Group OR AND SW WASH. LICENSED PROFESSIONALS: 9 OR AND SW WASH. EMPLOYEES: 24 CITY: PORTLAND OFFICES WORLDWIDE: 7 YEAR ESTABLISHED: 1975 25 Fluent Engineering OR AND SW WASH. LICENSED PROFESSIONALS: 6 OR AND SW WASH. EMPLOYEES: 16 CITY: SALEM OFFICES WORLDWIDE: 2 YEAR ESTABLISHED: 2008 Ranked by number of licensed professionals in Oregon and Southwest Washington Disclaimer: This list is compiled based on responses to a survey. Firms are not included if they do not respond to the survey. Architecture, Engineering & Design Firms BUILDING FACT The U.S. Census Bureau estimates 1.41 million homes completed construction in October 2023. That number is down from September’s estimate of 1.478 million but 4.6% higher than the October 2022 rate of 1.348 million completed homes. Most — 993,000— were single-family homes. Source: Census.gov 40
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