FAYETTEVILLE, ARK. — The Zweig Letter 2012 Hot Firm List were announced at The Zweig Letter Hot Firm black tie dinner and awards ceremony, the finale in a two-day conference in Aspen, Colo. CEOs, owners, presidents, principals and other leaders from the top design and environmental firms, along with entrepreneurs, authors, and business experts came to the conference to share industry news, compare strategies for success, learn from their peers, and leave with renewed inspiration for another successful year.

The Zweig Letter 2012 Hot Firm List recognizes the 100 fastest-growing architecture, engineering, planning and environmental consulting firms in the United States and Canada. These firms have outperformed the economy and competitors to become leaders in their chosen fields.

Rankings are based on a survey of industry firms conducted by ZweigWhite. Firms are ranked according to their three-year growth rate in gross revenue for fiscal years 2008 and 2011, with 50 percent of the ranking based on percentage growth and 50 percent based on dollar growth. Only firms that had revenue of $1 million or more in 2008 , were in business for the entirety of the three-year period; and that were still in business as of January 1, 2011 are eligible.

The 2012 Hot Firm List:
1. Cardno USA Portland, OR
2. exp Global Inc. Maitland, FL
3. Surveying and Mapping, Inc. Austin, TX
4. gkkworks Irvine, CA
5. Sullivan International Group, Inc. San Diego, CA
6. Vanir Construction Management, Inc. Sacramento, CA
7. Allen & Shariff Corporation Columbia, MD
8. HAKS Engineers, Architects and Land Surveyors, P.C. New York, NY
9. Nobis Engineering, Inc. Concord, NH
10. Dade Moeller Richland, WA
11. MMM Group Limited Thornhill, ON
12. HR Green, Inc. Cedar Rapids, IA
13. Klohn Crippen Berger Ltd. Vancouver, BC
14. Buckland & Taylor Ltd. North Vancouver, BC
15. Engineering/Remediation Resources Group, Inc. (ERRG) Martinez, CA
16. Watermark Lowell, MA
17. EN Engineering, LLC Woodridge, IL
18. T.Y. Lin International Francisco, CA
19. Finley Engineering Company Inc. Lamar, MO
20. JBC Associates, Inc. King of Prussia, PA
21. Golder Associates Redmond, WA
22. Mabbett & Associates, Inc. Bedford, MA
23. SEPI Engineering & Construction, Inc. Raleigh, NC
24. Environmental Standards, Inc. Valley Forge, PA
25. MTE Consultants Inc. Kitchener, ON
26. BSI Engineering Inc. Cincinnati, OH
27. Sovereign Consulting Inc. Robbinsville, NJ
28. Hill International, Inc. Marlton, NJ
29. GATE, Inc. Houston, TX
30. Harrison French & Associates, LTD. Bentonville, AR
31. Woodard & Curran Portland, ME
32. M&S Engineering Spring Branch, TX
33. Tectonic Engineering & Surveying Consultants P.C. Mountainville, NY
34. Hatch Mott MacDonald Millburn, NJ
35. Pond & Company Atlanta, GA
36. Larson Design Group Williamsport, PA
37. S&ME, Inc. Raleigh, NC
38. TEAM Integrated Engineering, Inc. San Antonio, TX
39. Tobolski Watkins Engineering, Inc. San Diego, CA
40. Environmental Management & Planning Solutions, Inc. San Francisco, CA
41. Gateway Engineers Pittsburgh, PA
42. Cobb Engineering Company Oklahoma City, OK
43. SSE Poplar Bluff, MO
44. Sam Schwartz Engineering New York, NY
45. Trihydro Corporation Laramie, WY
46. Weston & Sampson Peabody, MA
47. Bartlett & West, Inc. Topeka, KS
48. Tetra Tech, Inc. Pasadena, CA
49. Houston Engineering Inc. Fargo, ND
50. Infrastructure Engineers, Inc. Saint Cloud, FL
51. KCCT Architects Washington, D.C.
52. MBP Fairfax, VA
53. Landpoint, Inc. Bossier City, LA
54. MacKay Sposito Vancouver, WA
55. Butler, Fairman & Seufert, Inc. Indianapolis, IN
56. Pennoni Associates Philadelphia, PA
57. Patterson & Dewar Engineers, Inc Norcross, GA
58. SRP Environmental LLC Shreveport, LA
59. Coffman Engineers, Inc. Seattle, WA
60. Clark Nexsen Architecture & Engineering Norfolk, VA
61. HRP Associates, Inc. Farmington, CT
62. Walker Partners, LLC Waco, TX
63. A. Morton Thomas & Associates Inc., Rockville, MD
64. Bowers + Kubota Consulting, Inc Waipahu, HI
65. Garver, LLC North Little Rock, AR
66. CTL Engineering, Inc Columbus, OH
67. Marstel-Day, LLC Fredericksburg, VA
68. Mead & Hunt, Inc. Madison, WI
69. Bernardin Lochmueller & Associates Evansville, IN
70. Michaels Energy La Crosse, WI
71. HSA Engineers & Scientists Tampa, FL
72. R&M Consultants, Inc. Anchorage, AK
73. Fagan Engineers Elmira, NY
74. Nederveld Grand Rapids, MI
75. PDC Inc. Engineers Fairbanks, AK
76. Enviro-Safe Consulting, LLC Germantown, WI
77. Shea Carr Jewell Olympia, WA
78. Gunda Corporation Houston, TX
79. Delta 3 Engineering, Inc. Platteville, WI
80. CobbFendley Houston, TX
81. Integrated Design Group Boston, MA
82. Maser Consulting, PA Red Bank, NJ
83. Westwood Professional Services Eden Prairie, MN
84. Crawford Architects, LLC Kansas City, MO
85. Hammontree & Associates, Limited North Canton, OH
86. Aquaterra Environmental Solutions, Inc. Overland Park, KS
87 Bowman Consulting GroupChantilly, VA
88 Degenkolb EngineersSan Francisco, CA
89 Integral Consulting Inc.Seattle, WA
90 Slater Hanifan GroupLas Vegas, NV
91 Cherokee Enterprises, Inc.Miami Lake, FL
92 Shive-Hattery Group, Inc.Cedar Rapids,IA
93 Miyamoto InternationalSacramento, CA
94 Apex Companies, LLCRockville, MD
95 Calvin, Giordano & Associates, Inc.Fort Lauderdale, FL
96 Hanson Professional Services, Inc.Springfield, IL
97 Structural Integrity Associates, Inc.San Jose, CA
98 Binkley & Barfield, Inc.Houston, TX
99 All4 Inc.Kimberton, PA
100 CME Associates, Inc.Woodstock, CT

For more information about The Zweig Letter Hot Firm Conference and Rankings, visit http://hotfirm.com/our-awards/.