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. | ||
© 2007, Reed Business Information, a division of Reed Elsevier Inc. All Rights Reserved.
