2020 Power Book — Architecture, Engineering and Design Firms

RANK

COMPANY

LICENSED PROFESSIONALS

OR AND SW WASH EMPLOYEES

TOTAL OFFICES

YEAR ESTABLISHED

1

ZGF Architects 

137

278

6

1942

2

Otak

107

217

7

1981

3

David Evans Enterprises  

95

351

32

1976

4

KPFF Consulting Engineers

84

195

20

1960

5

AKS Engineering & Forestry

68

250

4

1996

6

LRS Architects

67

135

2

1976

7

SERA Architects

57

155

2

1968

8

GBD Architects

54

88

1

1969

9

Stantec Consulting Services 

44

104

339

1954

10

Parametrix

43

102

13

1969

TIE 11

Harper Houf Peterson Righellis 

42

97

4

1990

TIE 11

Ziba Design

42

52

3

1984

13

Maul Foster & Alongi

41

90

8

1996

14

Hennebery Eddy Architects

38

63

1

1992

15

Shannon & Wilson

32

38

12

1954

16

Opsis Architecture

30

56

1

1999

17

Hacker

28

64

1

1983

18

Interface Engineering

24

121

7

1969

19

PACE Engineers

23

30

4

1992

TIE 20

Soderstrom Architects

22

43

1

1984

TIE 20

TVA Architects

22

40

1

1984

22

FFA Architecture and Interiors 

20

37

1

1956

23

Yost Grube Hall Architecture

18

36

1

1964

24

3J Consulting 

15

31

2

2009

25

Akana

14

36

5

1990

26

Smith Monroe Gray Engineers

12

24

2

1971

27

Waterleaf Architecture, Interiors & Planning

11

20

1

1952

TIE 28

Kramer Gehlen and Associates 

9

19

1

1969

TIE 28

Marquess & Associates 

9

21

1

1962

30

BBT Architects

8

16

1

1976

31

Cardno

7

40

130

1945

32

Elcon Associates

6

17

2

1976

TIE 33

Fluent Engineering

5

12

3

2008

TIE 33

Steele Associates Architects

5

20

1

1996

TIE 35

Emerick Architects

4

14

1

1999

TIE 35

Ogden Roemer Wilkerson Architecture

4

14

1

1968

37

2fORM Architecture PC

3

6

1

2004

TIE 38

Reyes Engineering

2

16

4

1999

TIE 38

The Abell Architectural Group 

2

4

1

1982

40

SOLARC Architecture 

1

2

1

2001