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Top 100 Office Design Firms

Aug. 11, 2010
32 min read

Top 100 Office Design Firms

(See our Giants 300 Office Sector Report.)

Firm Billings 1. Carter & Burgess 54,592,382 2. HOK 49,521,722 3. Gensler 42,100,000 4. Thornton Tomasetti 39,840,000 5. Perkins+Will 38,250,000 6. SmithGroup 35,587,240 7. Kohn Pedersen Fox Associates 34,320,000 8. Syska Hennessy Group 29,239,931 9. Parsons Brinckerhoff 25,060,000 10. NBBJ 22,460,000 11. Stantec 21,321,119 12. Smallwood, Reynolds, Stewart, Stewart & Associates 19,684,700 13. HDR Architecture 17,310,000 14. Burt Hill 16,470,000 15. HKS 16,172,676 16. KlingStubbins 15,600,000 17. Environmental Systems Design 14,950,000 18. RTKL Associates 14,463,000 19. Corgan Associates 12,304,110 20. Schirmer Engineering Corp. 12,261,704 21. Heery International 11,943,000 22. Elkus Manfredi Architects 11,913,519 23. URS Corp. 11,400,000 24. LPA 11,121,976 25. Studios Architecture 10,231,388 26. Jacobs Engineering Group 10,119,430 27. KPFF Consulting Engineers 9,400,000 28. Cubellis 9,200,000 29. Hammel, Green and Abrahamson 9,195,000 30. Wiss, Janney, Elstner Associates 9,000,000 31. Arquitectonica 8,817,809 32. Ware Malcomb 8,584,616 33. Leo A Daly 8,244,000 34. Callison 8,015,000 35. Thompson, Ventulett, Stainback & Associates 7,800,030 36. Richard D. Kimball Co. 7,787,234 37. Hillier Architecture 7,464,000 38. The Benham Cos. 7,414,054 39. Teng Affiliated Cos. 7,409,900 40. Swanke Hayden Connell Architects 7,175,000 41. Weidlinger Associates 7,080,000 42. HLW International 7,000,000 43. Simpson Gumpertz & Heger 6,951,519 44. Bala Consulting Engineers 6,767,000 45. SchenkelShultz 6,532,800 46. Ingenium Group 5,966,730 47. Zimmer Gunsul Frasca Architects 5,805,218 48. Rolf Jensen & Associates 5,565,000 49. KKE Architects 5,309,726 50. Symmes Maini & McKee Associates 5,168,500 51. Cuningham Group Architecture 4,822,914 52. Ellerbe Becket 4,772,020 53. Baker and Associates 4,724,375 54. Vanderweil Engineers 4,678,949 55. A. Epstein and Sons International 4,650,000 56. Gresham, Smith and Partners 4,635,000 57. TRO Jung/Brannen 4,450,000 58. Kirksey 4,407,137 59. OZ Architecture 4,400,000 60. Dewberry 4,368,000 61. Hixson Architects Engineers Interiors 4,300,000 62. TLC Engineering for Architecture 4,231,200 63. Joseph R. Loring & Associates 4,225,909 64. Looney Ricks Kiss Architects 4,161,000 65. Albert Kahn Associates 4,156,500 66. BHDP Architecture 4,122,270 67. Magnusson Klemencic Associates 4,024,798 68. Flack + Kurtz 4,000,000 69. JMA 3,820,117 70. Walter P Moore 3,816,215 71. Newcomb & Boyd 3,715,016 72. Ziegler Cooper Architects 3,673,926 73. Perkins Eastman 3,500,000 74. BBG-BBGM 3,440,000 75. Stevens & Wilkinson 3,420,000 76. Nadel Architects 3,360,000 77. Michaud Cooley Erickson 3,255,000 78. Carrier Johnson 3,176,307 79. Cooper Carry 2,995,520 80. Affiliated Engineers 2,995,000 81. H.F. Lenz Co. 2,884,863 82. Little 2,865,751 83. Sasaki Associates 2,750,000 84. Smith Seckman Reid 2,700,000 85. Walker Parking Consultants 2,630,000 86. EwingCole 2,556,050 87. Perkowitz+Ruth Architects 2,550,000 88. Cambridge Seven Associates 2,400,000 89. Glumac 2,340,000 90. DMJM H&N 2,300,000 91. Lohan Anderson 2,170,000 92. HNTB Architecture 2,089,399 93. Degenkolb Engineers 2,067,000 94. Stellar 2,035,000 95. Gould Evans Associates 2,001,700 96. Barge Waggoner Sumner and Cannon 2,000,000 97. Steffian Bradley Architects 1,903,033 98. Fishbeck, Thompson, Carr & Huber 1,903,000 99. FKP Architects 1,888,300 100. SSOE 1,880,000   Based on 2006 billings in $ millions. Source: 2007 Giants 300 survey  Note: This ranking is based on firms that made the BD+C Giants 300 list.


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