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The Top 100 Green Design Firms

November 2010

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The overall design market has taken a big hit during the recent recession. But for many owners, hard times have stirred increased interest in the more practical elements of sustainable design, such as energy efficiency. The ENR Top 100 Green Design Firms generated $2.85 billion in revenue in 2008 from projects registered with such green design programs as the U.S. Green Building Council’s Leadership in Energy and Environmental Design, an increase of 63.9% over $1.74 billion in 2007.

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The Top 100 Green Design Firms
(based On Design Revenue From Registered Sustainable Projects)
2010 RANK	FIRM NAME & LOCATION
1	Gensler, San Francisco, Calif.
2	URS Corp., San Francisco, Calif.
3	Perkins+Will, Chicago, Ill.
4	HOK, St. Louis, Mo.
5	HDR, Omaha, Neb.
6	HKS Inc., Dallas, Texas
7	AECOM Technology Corp., Los Angeles, Calif.
8	NBBJ, Seattle, Wash.
9	Fentress Architects, Denver, Colo.
10	Burns & McDonnell, Kansas City, Mo.
11	KPFF Consulting Engineers, Seattle, Wash.
12	ZGF Architects LLP, Portland, Ore.
13	KlingStubbins, Philadelphia, Pa.
14	Kohn Pedersen Fox Associates PC, New York, N.Y.
15	SmithGroup Inc., Detroit, Mich.
16	Michael Baker Corp., Moon Township, Pa.,
17	EYP Architecture & Engineering, Albany, N.Y.
18	Corgan Associates Inc., Dallas, Texas
19	Haskell, Jacksonville, Fla.
20	Tetra Tech Inc., Pasadena, Calif.
21	Perkins Eastman, New York, N.Y.
22	VOA Associates Inc., Chicago, Ill.
23	RTKL Associates Inc., Baltimore, Md.
24	LPA Inc., Irvine, Calif.
25	Payette, Boston, Mass.
26	Kimley-Horn and Associates Inc., Raleigh, N.C.
27	PageSoutherlandPage, Houston, Texas
28	Cannon Design, Grand Island, N.Y.
29	Hammel Green and Abrahamson Inc., Minneapolis, Minn.
30	Vanderweil Engineers, Boston, Mass.
31	Burt Hill, Washington, D.C.
32	Huitt-Zollars Inc., Dallas, Texas
33	Langan Eng’g and Environmental Services Inc., Elmwood Park, N.J.
34	Dewberry, Fairfax, Va.
35	Thornton Tomasetti Inc., New York, N.Y.
36	Gannett Fleming, Harrisburg, Pa.
37	Flad Architects, Madison, Wis.
38	Gresham, Smith and partners, Nashville, Tenn.
39	SSOE Group, Toledo, Ohio
40	tvsdesign, Atlanta, Ga.
41	EwingCole, Philadelphia, Pa.
42	Davis Brody Bond Aedas, New York, N.Y.
43	Hatch Mott MacDonald, Millburn, N.J.
44	NAC \| Architecture, Seattle, Wash.
45	RNL, Denver, Colo.
46	M-E Engineers Inc., Wheat Ridge, Colo.
47	LS3P Associates Ltd., Charleston, S.C.
48	Architects Hawaii Ltd., Honolulu, Hawaii
49	Fanning/Howey Associates Inc., Celina, Ohio
50	HNTB Cos., Kansas City, Mo.
51	SMMA/Symmes Maini & McKee Associates, Cambridge, Mass.
52	Goettsch Partners, Chicago, Ill.
53	KJWW Engineering Consultants, Rock Island, Ill.
54	Shalom Baranes Associates PC, Washington, D.C.
55	Ayers Saint Gross, Baltimore, Md.
56	SHP Leading Design, Cincinnati, Ohio
57	Magnusson Klemencic Associates Inc., Seattle, Wash.
58	Hanbury Evans Wright Vlattas & Co., Norfolk, Va.
59	Day & Zimmermann, Philadelphia, Pa.
60	TLC Engineering for Architecture, Orlando, Fla.
61	Westlake Reed Leskosky, Cleveland, Ohio
62	Syska Hennessy Group, New York, N.Y.
63	Parsons Brinckerhoff Inc., New York, N.Y.
64	BSA LifeStructures, Indianapolis, Ind.
65	BRPH Co. Inc., Melbourne, Fla.
66	Tsoi/Kobus & Associates Inc., Cambridge, Mass.
67	Kahler Slater Inc,. Milwaukee, Wis.
68	Tutor Perini Corp., Sylmar, Calif.
69	Harley Ellis Devereaux, Southfield, Mich.
70	RDG Planning & Design, Des Moines, Iowa
71	Walter P Moore, Houston, Texas
72	The S/L/A/M Collaborative, Glastonbury, Conn.
73	FXFOWLE, New York, N.Y.
74	Beyer Blinder Belle Architects & Planners LLP, New York, N.Y.
75	Astorino, Pittsburgh, Pa.
76	JCJ Architecture, Hartford, Conn.
77	Sasaki Associates Inc., Watertown, Mass.
78	Dekker/Perich/Sabatini Ltd., Albuquerque, N.M.
79	Cooper Carry Inc., Atlanta, Ga.
80	HMC Architects, Los Angeles, Calif.
81	Black & Veatch, Overland Park, Kan.
82	FKP Architects Inc., Houston, Texas
83	GRW Engineers Inc., Lexington, Ky.
84	Lord Aeck & Sargent, Atlanta, Ga.
85	Ballinger, Philadelphia, Pa.
86	Ratcliff, Emeryville, Calif.
87	Paulus Sokolowski & Sartor LLC, Warren, N.J.
88	PGAL, Houston, Texas
89	Shepley Bulfinch Richardson and Abbott, Boston, Mass.
90	Wallace Roberts & Todd LLC, Philadelphia, Pa.
91	Lionakis, Sacramento, Calif.
92	LWPB Architecture, Oklahoma City, Okla.
93	Kendall/Heaton Associates Inc., Houston, Texas
94	TMAD Taylor & Gaines, Pasadena, Calif.
95	Cuningham Group Architecture PA, Minneapolis, Minn.
96	The Beck Group, Dallas, Texas
97	BHDP Architecture, Cincinnati, Ohio
98	Albert Kahn Family of Cos. (Kahn), Detroit, Mich.
99	Ghafari Associates LLC, Dearborn, Mich.
100	Gould Evans, Kansas City, Mo.

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