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Top 100 office design firms

Aug. 11, 2010
27 min read
Top 100 office design firms
(2007 billings in $ millions)
  Company
Billings 1. Arup 187,000,000 2. Perkins+Will 85,000,000 3. Nelson 64,386,940 4. Gensler 63,700,000 5. Thornton Tomasetti 49,440,000 6. Skidmore, Owings & Merrill 46,080,000 7. AECOM Technology Corp. 43,524,000 8. SmithGroup 40,062,000 9. Parsons Brinckerhoff 30,140,000 10. Syska Hennessy Group 29,239,931 11. Stantec 29,060,103 12. NBBJ 28,672,400 13. HOK 28,452,786 14. RS&H 22,050,000 15. HKS 22,033,200 16. HDR Architecture 21,200,000 17. Burt Hill 20,667,880 18. URS Corp. 20,000,000 19. Jacobs Engineering Group 19,674,290 20. KlingStubbins 18,000,000 21. Swanke Hayden Connell Architects 17,250,000 22. Fluor 17,138,700 23. Rosser International 16,500,000 24. Environmental Systems Design 16,217,245 25. Opus Group, The 15,804,000 26. Zimmer Gunsul Frasca Architects 15,341,709 27. Callison 14,130,000 28. Schirmer Engineering Corp. 13,707,546 29. Corgan Associates 13,055,000 30. Studios Architecture 12,718,449 31. FXFOWLE Architects 12,600,000 32. Smallwood, Reynolds, Stewart, Stewart 12,307,687 33. RMJM 11,880,000 34. RDK Engineers 11,587,585 35. Hammel, Green and Abrahamson 11,445,000 36. Arquitectonica 10,917,000 37. KPFF Consulting Engineers 10,700,000 38. RSP Architects 10,476,600 39. Thompson, Ventulett, Stainback & Associates 10,125,570 40. Elkus Manfredi Architects 9,934,969 41. Ingenium Group 9,590,000 42. Bala Consulting Engineers 9,384,000 43. HLW International 9,366,600 44. Heery International 9,200,040 45. Vanderweil Engineers 9,199,835 46. Wiss, Janney, Elstner Associates 9,150,000 47. DLR Group 9,080,000 48. TLC Engineering for Architecture 7,770,000 49. Ware Malcomb 7,247,298 50. Simpson Gumpertz & Heger 7,129,800 51. Cubellis 6,987,500 52. Kirksey 6,975,519 53. DGA Planning | Architecture | Interiors 6,917,652 54. Teng Affiliated Cos. 6,863,200 55. LPA 6,744,194 56. Rolf Jensen & Associates 6,545,600 57. EwingCole 6,420,000 58. Clark Nexsen 6,304,922 59. Ziegler Cooper Architects 6,284,850 60. Carrier Johnson 6,136,466 61. Weidlinger Associates 6,000,000 62. Gresham, Smith and Partners 5,943,870 63. Benham Cos., The 5,590,038 64. TRO Jung|Brannen 5,557,500 65. Epstein 5,430,000 66. Symmes Maini & McKee Associates 5,112,500 67. Perkins Eastman 5,100,000 68. Leo A Daly 5,080,000 69. Dewberry 4,900,000 70. Morris Architects 4,828,000 71. Albert Kahn Associates 4,816,000 72. Flack + Kurtz 4,770,000 73. KKE Architects 4,760,000 74. Joseph R. Loring & Associates 4,693,923 75. Good Fulton & Farrell 4,159,620 76. Magnusson Klemencic Associates 4,151,691 77. ADD 4,020,000 78. Hixson Architecture, Engineering, Interiors 3,875,000 79. Michaud Cooley Erickson 3,717,000 80. MulvannyG2 Architecture 3,714,060 81. Glumac 3,576,000 82. Smith Seckman Reid 3,505,000 83. Little 3,486,443 84. Cooper Carry 3,481,920 85. Walter P Moore 3,457,637 86. Walker Parking Consultants 3,347,000 87. Birdsall Services Group 3,050,000 88. M-E Engineers 2,838,354 89. Shive-Hattery 2,717,000 90. H.F. Lenz 2,704,000 91. PBK 2,635,000 92. DeStefano and Partners 2,623,500 93. KTA Group 2,583,750 94. Sasaki Associates 2,550,000 95. Looney Ricks Kiss Architects 2,530,000 96. Baskervill 2,473,595 97. Westlake Reed Leskosky 2,376,500 98. Barge Waggoner Sumner and Cannon 2,300,000 99. Harley Ellis Devereaux 2,220,000 100. FKP Architects 2,182,320

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