Ranked by licensed professionals in Oregon and S.W. Washington
1 David Evans Enterprises
Oregon and SW Wash. Licensed Professionals: 124
Oregon and SW Wash. Employees: 503
Total offices: 30 Year established: 1976
2 ZGF Architects LLP
Oregon and SW Wash. Licensed Professionals: 122
Oregon and SW Wash. Employees: 256
Total offices: 6 Year established: 1942
3 Harper Houf Peterson Righellis Inc.
Oregon and SW Wash. Licensed Professionals: 70
Oregon and SW Wash. Employees: 120
Total offices: 4 Year established: 1990
4 GBD Architects
Oregon and SW Wash. Licensed Professionals: 54
Oregon and SW Wash. Employees: 88
Total offices: 1 Year established: 1969
5 Parametrix
Oregon and SW Wash. Licensed Professionals: 53
Oregon and SW Wash. Employees: 122
Total offices: 14 Year established: 1969
6 Stantec Consulting Services Inc
Oregon and SW Wash. Licensed Professionals: 44
Oregon and SW Wash. Employees: 104
Total offices: 339 Year established: 1954
7 AECOM
Oregon and SW Wash. Licensed Professionals: 39
Oregon and SW Wash. Employees: 100
Total offices: 343 Year established: 1990
8 Hennebery Eddy Architects
Oregon and SW Wash. Licensed Professionals: 38
Oregon and SW Wash. Employees: 55
Total offices: 2 Year established: 1992
9 Mahlum
Oregon and SW Wash. Licensed Professionals: 38
Oregon and SW Wash. Employees: 81
Total offices: 2 Year established: 1938
10 Akana
Oregon and SW Wash. Licensed Professionals: 23
Oregon and SW Wash. Employees: 45
Total offices: 104 Year established: 1990
11 Soderstrom Architects
Oregon and SW Wash. Licensed Professionals: 20
Oregon and SW Wash. Employees: 24
Total offices: 1 Year established: 1984
12 Westlake Consultants
Oregon and SW Wash. Licensed Professionals: 17
Oregon and SW Wash. Employees: 55
Total offices: 1 Year established: 1983
13 3J Consulting Inc.
Oregon and SW Wash. Licensed Professionals: 16
Oregon and SW Wash. Employees: 36
Total offices: 1 Year established: 2009
TIE 14 CIDA Architects & Engineers
Oregon and SW Wash. Licensed Professionals: 14
Oregon and SW Wash. Employees: 37
Total offices: 1 Year established: 1991
TIE 14 Kramer Gehlen and Associates Inc.
Oregon and SW Wash. Licensed Professionals: 14
Oregon and SW Wash. Employees: 19
Total offices: 1 Year established: 1969
TIE 14 Yost Grube Hall Architecture
Oregon and SW Wash. Licensed Professionals: 14
Oregon and SW Wash. Employees: 25
Total offices: 1 Year established: 1964
TIE 17 Gensler
Oregon and SW Wash. Licensed Professionals: 13
Oregon and SW Wash. Employees: 37
Total offices: 49 Year established: 1965
TIE 17 Smith Monroe Gray Engineers
Oregon and SW Wash. Licensed Professionals: 13
Oregon and SW Wash. Employees: 27
Total offices: 2 Year established: 1971
19 NV5
Oregon and SW Wash. Licensed Professionals: 12
Oregon and SW Wash. Employees: 25
Total offices: 7 Year established: 2019
TIE 20 Marquess & Associates
Oregon and SW Wash. Licensed Professionals: 9
Oregon and SW Wash. Employees: 20
Total offices: 1 Year established: 1962
TIE 20 R&W Engineering Inc.
Oregon and SW Wash. Licensed Professionals: 9
Oregon and SW Wash. Employees: 29
Total offices: 2 Year established: 1978
22 BBT Architects
Oregon and SW Wash. Licensed Professionals: 8
Oregon and SW Wash. Employees: 16
Total offices: 1 Year established: 1976
TIE 23 Fluent Engineering, Inc.
Oregon and SW Wash. Licensed Professionals: 5
Oregon and SW Wash. Employees: 15
Total offices: 3 Year established: 2008
TIE 23 ORW Architecture
Oregon and SW Wash. Licensed Professionals: 5
Oregon and SW Wash. Employees: 15
Total offices: 1 Year established: 1968
25 SOLARC Architecture
Oregon and SW Wash. Licensed Professionals: 1
Oregon and SW Wash. Employees: 2
Total offices: 1 Year established: 2001
Disclaimer: This list was compiled based on responses to a survey. Instututions are not included if they do not respond to the survey.
