2021 Powerbook List: Architecture, Engineering and Design Firms


A roster of architecture, engineering and design firms, ranked by number of licensed professionals in Oregon and Southwest Washington.

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1 David Evans Enterprises

Registered Professionals:129
OR and SW Wash Employees: 536
Total Offices: 32Year Established: 1976

2 ZGF Architects

Registered Professionals:126
OR and SW Wash Employees: 257
Total Offices: 6Year Established: 1942

3 Otak

Registered Professionals:110
OR and SW Wash Employees: 218
Total Offices: 7Year Established: 1981

4 Shannon & Wilson

Registered Professionals:106
OR and SW Wash Employees: 35
Total Offices: 13Year Established: 1954

5 AKS Engineering & Forestry

Registered Professionals:88
OR and SW Wash Employees: 250
Total Offices: 4Year Established: 1996

6 SERA Architects

Registered Professionals:56
OR and SW Wash Employees: 152
Total Offices: 2Year Established: 1968

7 GBD Architects

Registered Professionals:54
OR and SW Wash Employees: 88
Total Offices: 1Year Established: 1969

8 AECOM

Registered Professionals:50
OR and SW Wash Employees: 126
Total Offices: 852Year Established: 1990

9 Harper Houf Peterson Righellis

Registered Professionals:42
OR and SW Wash Employees: 100
Total Offices: 4Year Established: 1990

10 Hennebery Eddy Architects

Registered Professionals:40
OR and SW Wash Employees: 59
Total Offices: 1Year Established: 1992

11 Mahlum

Registered Professionals:38
OR and SW Wash Employees: 81
Total Offices: 2Year Established: 1938

12 TVA Architects

Registered Professionals:33
OR and SW Wash Employees: 19
Total Offices: 1Year Established: 1984

13 Maul Foster & Alongi

Registered Professionals:32
OR and SW Wash Employees: 98
Total Offices: 8Year Established: 1996

14 FFA Architecture and Interiors

Registered Professionals:31
OR and SW Wash Employees: 18
Total Offices: 1Year Established: 1956

15 Opsis Architecture

Registered Professionals:30
OR and SW Wash Employees: 50
Total Offices: 1Year Established: 1999

16 Hacker

Registered Professionals:28
OR and SW Wash Employees: 64
Total Offices: 1Year Established: 1983

17 PACE Engineers

Registered Professionals:23
OR and SW Wash Employees: 30
Total Offices: 4Year Established: 1992

18 Westlake Consultants

Registered Professionals:17
OR and SW Wash Employees: 55
Total Offices: 1Year Established: 1983

19 3J Consulting

Registered Professionals:15
OR and SW Wash Employees: 33
Total Offices: 1Year Established: 2009

20 Kramer Gehlen and Associates

Registered Professionals:14
OR and SW Wash Employees: 19
Total Offices: 1Year Established: 1969

21 Burns & McDonnell

Registered Professionals:13
OR and SW Wash Employees: 41
Total Offices: 55Year Established: 1898

TIE 22 Smith Monroe Gray Engineers

Registered Professionals:11
OR and SW Wash Employees: 26
Total Offices: 2Year Established: 1971

TIE 22 Waterleaf Architecture, Interiors & Planning

Registered Professionals:11
OR and SW Wash Employees: 20
Total Offices: 1Year Established: 1952

24 Emerick Architects

Registered Professionals:10
OR and SW Wash Employees: 15
Total Offices: 1Year Established: 1999

TIE 25 BBT Architects

Registered Professionals:8
OR and SW Wash Employees: 16
Total Offices: 1Year Established: 1976

TIE 25 Elcon Associates

Registered Professionals:8
OR and SW Wash Employees: 18
Total Offices: 3Year Established: 1975

TIE 27 BBL Architects

Registered Professionals:6
OR and SW Wash Employees: 16
Total Offices: 1Year Established: 1976

TIE 27 OH Planning & Design

Registered Professionals:6
OR and SW Wash Employees: 28
Total Offices: 1Year Established: 2004

TIE 29 Fluent Engineering

Registered Professionals:5
OR and SW Wash Employees: 12
Total Offices: 3Year Established: 2008

TIE 29 Steele Associates Architects

Registered Professionals:5
OR and SW Wash Employees: 20
Total Offices: 1Year Established: 1996

31 ORW Architecture

Registered Professionals:4
OR and SW Wash Employees: 12
Total Offices: 1Year Established: 1968

TIE 32 Reyes Engineering

Registered Professionals:2
OR and SW Wash Employees: 16
Total Offices: 4Year Established: 1999

TIE 32 The Abell Architectural Group

Registered Professionals:2
OR and SW Wash Employees: 4
Total Offices: 1Year Established: 1982

Disclaimer: This list was compiled based on responses to a survey. Firms are not included if they did not respond to the survey.