Firm Name
Firm Headquarters and Firm Branches

Fee in millions

Work Installed

Employees

Design

Total

Firm

$ Value

in Millions

Sq.ft.

Interior Design

Total Firm

1

Gensler
600 California Street, San Francisco, CA 94111
Tel: 415-433-3700

San Francisco
Atlanta, Boston, Chicago, Denver, Detroit, Houston, Irvine, CA;
New York, Parsippany, NJ; Santa Monica, CA;
Washington, Hong Kong, London, Tokyo.

$65.8

$82.3

$950.0

576

640

2

Hellmuch, Obata & Kassabaum

St. Louis
Atlanta, Chicago, Dallas, Greenville, SC; Houston, Kansas City, MO; Los Angeles, New York, Orlando, FL; Washington, Berlin, Hong Kong, London, Mexico City, Shanghai, Tokyo.

$28.5

$117.0

$450.0

15.0

149

1372

3

HNTB

Kansas City, MO
Alexandria, VA;
Indianapolis, Milwaukee, Phoenix, Seattle

$27.1

$60.8

$48.7

1.5

35

65

4

ISI (Interior Space International)

Los Angeles
Chicago, New York,
Tel Aviv, Israel; Tokyo, Warsaw, Poland

$25.0

$25.0

$600.0

10.0

204

212

5

Leo A Daly - Planning Architecture Engineering Interiors

Omaha, NE
Atlanta, Dallas, Fort Worth, Houston, Los Angeles, Phoenix, San Antonio, St. Louis, Washington, Berlin, Dubai; United Arab Emirates, Hong Kong, Madrid, Spain; Tokyo

$21.0

$65.5

$346.5

8.1

67

641

6

R. J. Pavlik, (The Pavlik Design Team)

Ft. Lauderdale, FL
Buenos Aires, Argentina; Osaka, Japan;
San Paulo, Brazil;   Seoul, Korea; Tokyo

$20.5

$20.5

$353.1

7.6

87

87

7

Sverdrup Facilities

St. Louis
Irvin. CA; Orlando, FL; Washington

$18.5

$284.4

$180.0

6.0

87

4878

8

FRCH Design World (formerly SDI/HTI)

Cincinnati, New York, Singapore

$17.7

$18.2

$193.0

NR

175

198

9

Skidmore, Owings & Merrill

Chicago
Los Angeles, New York, San Francisco, Washington,
Hong Kong, London

$16.3

$74.0

$228.5

5.8

118

742

10

HBA Int'l (dba Hirsch Associates)

Santa Monica, CA
Atlanta, San Francisco, Hong Kong, London, Singapore

$15.7

$16.8

$425.0

NR

NR

179

11

Columbus, OH
Atlanta, London, Mexico City

$15.5

$17.2

$736.0

6.4

113

150

12

Baltimore
Dallas, Los Angeles, Washington, Hong Kong, London, Tokyo

$13.8

$55.0

$140.0

3.0

118

500

13

Detroit, Phoenix, Washington

$13.2

$47.0

$198.5

6.6

49

380

14

New York, Greenwich, CT

$12.7

$12.7

$234.0

3.9

107

132

15

Seattle
Columbus, OH; Los Angeles, New York, Research Triangle Park, NC;
San Francisco, Washington, Tokyo

$12.6

$70.0

$100.0

6.0

118

511

16

Chicago
Atlanta, New York, Berlin

$12.3

$30.8

$414.0

10.1

38

88

17

San Francisco
Chicago, Dallas, Los Angeles, New York, Washington

$12.2

$12.9

$257.0

8.5

111

131

18

New York
Los Angeles, Al-Khobar, Saudi Arabia; Brussels, Belgium; Haikou, China; Kuwait City, London, Mexico City,   Riyadh, Saudi Arabia; Shanghai, China; Taipei, Taiwan

$11.9

$24.2

$156.0

3.8

29

230

19

New York, Miami, Washington, London

$11.7

$18.0

NR

3.8

120

150

20

Chicago, Dallas, Montreal

$11.7

$12.3

$79.0

6.1

82

96

21

Seattle

$10.2

$29.0

$10.2

NR

53

315

22

New York
St. Louis,   Sun Valley, CA;
Hong Kong, Tokyo

$10.1

$13.4

$200.0

2.6

107

108

23

Chicago
Baltimore, Boston, Deerfield, IL; New York, Washington

$9.8

$10.0

$305.0

5.0

135

150

24

San Francisco
Washington, London, Paris, New York

$9.7

$12.9

$173.0

3.5

125

140

25

Dallas
Los Angeles, New York, Johannesburg, South Africa; Singapore

$9.4

$9.6

$200.0

NR

81

102

26

Boca Raton, FL
Dania, FL; Fisher Island, FL; Naples, FL

$9.2

$9.2

$60.0

NR

25

46

27

New York
Parsippany, NJ; Tokyo

$8.9

$9.0

$275.0

4.0

93

95

28

New York
Los Angeles, London, Mexico City, Sydney, Australia

$8.8

$9.8

$165.0

2.8

80

97

29

New York
Atlanta, Boston, Columbus, OH; Dallas, Denver, Fairfax, VA; Miami, Philadelphia, San Jose, CA; St. Paul, MN; Westlake Village,   CA; Washington, London, Mexico City

$8.5

8.5

$160.0

3.5

61

71

30

Atlanta
San Francisco, Seattle, Washington

$8.2

$87.0

$9.3

2.4

36

759

31

Albany, NY
Washington, White Plains, NY

$8.0

$26.6

$100.0

1.0

36

326

32

Washington,   Richmond, VA

$7.9

$9.0

$160.0

3.5

83

105

33

Cleveland

$7.8

$13.0

$56.1

3.6

36

37

34

San Francisco
Sacramento, CA; San Jose, CA; Santa Rosa, CA

$7.8

$8.4

$95.0

2.4

75

85

35

Orlando, FL
Washington, San Paulo, Brazil

$7.5

$14.2

$52.3

1.5

52

120

36

Woburn, MA
Dubai, United Arab Emirates; Istanbul, Turkey; London,
Seoul, Korea; Tokyo

$7.4

$7.4

NR

0.6

29

36

37

Marina Del Rey, CA

$6.6

$6.6

$190.0

3.3

51

55

38

Omaha, NE
Alexandria, VA; Dallas

$6.5

$36.3

$197.9

1.0

21

351

39

Houston
Alexandria, VA; Dallas, Tampa, FL

$6.4

$25.5

$75.0

1.2

63

177

40

Minneapolis
Kansas City, MO; New York, Washington

$5.7

$63.5

$139.7

3.0

34

690

41

Philadelphia

$5.7

$6.0

$240.0

3.0

46

50

42

Redwood City, CA

$5.7

$8.5

$200.0

NR

14

77

43

Oakbrook Terrace, IL; Mexico City

$5.7

$6.7

$100.5

4.0

41

53

44

Pittsburg, Butler, PA; Philadelphia, Washington

$5.7

$17.3

$90.0

1.7

30

198

45

Boston, Hartford, CT; New York

$5.6

$7.9

$48.8

2.0

14

71

46

Boston

$5.3

$8.2

$99.1

1.3

90

90

47

Chicago

$5.3

$5.3

$100.0

2.5

74

84

48

Dallas, Los Angeles

$5.3

$35.0

$96.8

3.3

28

260

49

New York
Bedford, NY; East Hampton, NY

$5.3

$10.5

$70.0

0.8

29

68

50

Madison,WI
Gainesville, FL; San Francisco, Stamford, CT

$5.2

$17.4

$109.8

0.3

99

181

51

Southfield, MI

$5.0

$6.1

NR

1.2

54

78

52

New York

$5.0

$5.0

NR

1.0

29

35

53

Philadelphia

$4.9

$13.9

$87.5

2.1

45

126

54

New York

$4.8

$4.8

$80.0

1.6

31

34

55

Charlotte, NC
Chicago, Iowa City, VA; Orlando, FL; Philadelphia

$4.8

$26.5

NR

NR

48

310

56

Austin, TX
Dallas, Houston, Washington

$4.7

$13.9

$3.6

2.7

47

179

57

St. Louis

$4.7

$4.7

NR

1.6

40

52

58

Philadelphia, Haddonfield, NJ; Washington

$4.6

$21.0

$72.0

2.6

16

220

59

Deerfield, IL; Chicago

$4.6

$13.1

$32.0

4.6

27

190

60

New York

$4.6

$4.6

$75.0

1.7

32

39

61

New York

$4.5

$4.5

$85.0

1.6

37

50

62

Houston, Fairfax, VA; San Antonio

$4.5

$29.8

$73.9

1.5

48

289

63

Scottsdale,   AZ; London

$4.3

$4.8

$80.0

2.0

51

59

64

Washington

$4.3

$4.3

$30.0

0.9

30

36

65

Baltimore, Atlanta; Easton, MD; Nassau, Bahamas

$4.3

$5.3

$35.0

1.5

27

46

66

Boston

$4.2

$6.0

$50.0

2.0

20

76

67

Toronto

$4.2

$4.2

$43.0

1.2

37

45

68

Boston

$4.2

$5.2

$46.5

0.9

55

65

69

Redmond, WA

$4.1

$4.3

$75.0

2.5

37

40

70

Los Angeles, Rome, Tokyo

$4.0

$4.0

$50.0

NR

28

28

71

Dallas

$4.0

$4.0

$102.0

1.2

39

48

72

New York

$3.9

$5.3

$52.3

0.8

40

50

73

Marina Del Rey, CA; Hong Kong, Paris

$3.9

$3.9

$65.0

1.7

49

55

74

Cambridge, MA

$3.9

$5.0

$18.0

1.1

31

53

75

Dayton, OH; Branson, MO; Los Angeles

$3.5

$6.0

$121.2

1.6

54

68

76

New Orleans, Houston

$3.5

$6.0

$48.0

1.4

45

72

77

Washington, Falls Church, VA

$3.5

$3.5

$48.0

2.4

36

36

78

Atlanta, Tampa, FL; Vienna, VA

$3.4

$3.9

NR

4.0

45

53

79

Nashville, TN
Atlanta, Birmingham, AL; Ft. Lauderdale, FL; Jackson, MS;
Jacksonville, FL; Louisville, KY; Richmond, VA

$3.3

$25.7

$75.0

1.5

36

429

80

Philadelphia

$3.3

$8.3

$50.0

1.3

30

35

81

South Norwalk, CT

$3.3

$3.3

$50.0

1.0

37

41

82

Chicago

$3.2

$9.8

$30.0

1.0

20

88

83

Washington, McLean, VA

$3.2

$6.4

$23.4

29

52

84

Los Angeles
Hong Kong, Kuala Lumpur, Malaysia; Manila, Philippines

$3.1

$3.1

$65.0

NR

16

17

85

 McLean, VA

$3.1

$3.1

$33.2

1.0

26

30

86

Arlington,VA

$3.1

$3.1

$24.9

1.0

29

36

87

New York
East Hampton, NY; Philadelphia

$3.1

$46.9

$25.0

0.1

52

65

88

New York, Alexandria, VA

$3.0

$8.5

$94.0

0.8

63

65

89

Coral Gables, FL
New York, Orlando, FL; Washington

$3.0

$21.2

$34.6

4.5

32

37

90

West Palm Beach, FL

$2.9

$3.7

$30.0

0.3

40

47

91

New York

$2.9

$3.9

$22.0

0.3

21

30

92

New York, Washington, Hong Kong

$2.9

$2.9

$26.0

0.8

34

34

93

Phoenix

$2.8

$7.2

$55.0

1.8

38

117

94

Houston

$2.8

$3.9

$96.0

3.8

34

48

95

Southfield, MI
Denver, Los Angeles, Maitland, FL; Mountlake Terrace, WA;
Windsor, Ontario, Canada

$2.7

$16.1

$52.0

1.8

7

180

96

Stamford, CT

$2.7

$2.7

$75.0

2.2

34

34

97

Long Beach, CA

$2.7

$2.7

$60.0

1.5

24

27

98

Dallas, Austin, TX

$2.6

$2.8

$31.3

1.8

29

32

99

New York, Paris

$2.6

$2.6

$38.0

3.1

20

22

100

Minneapolis

$2.5

$3.2

$29.0

1.0

12

60