AECOM, Arup, Gensler most active in commercial building design, according to BD+C's Giants 300 report

August 11, 2010

Top 100 commercial design firms
	Company	Billings ($)
1	AECOM Technology Corp.	419,291,400
2	Arup	330,000,000
3	Gensler	297,720,000
4	Skidmore, Owings & Merrill	114,600,000
5	HKS	103,403,390
6	Kohn Pedersen Fox Associates	99,280,000
7	Parsons Brinckerhoff	96,209,000
8	Perkins+Will	80,000,000
9	Day & Zimmermann International	71,203,500
10	Stantec	67,080,000
11	Walker Parking Consultants	65,077,969
12	Nelson	64,053,661
13	HOK	60,160,000
14	NBBJ	57,008,700
15	Burt Hill	55,149,000
16	Syska Hennessy Group	50,864,000
17	Little	49,725,000
18	SmithGroup	44,338,500
19	RMJM	42,896,557
20	Dewberry	38,550,000
21	STV Group	37,979,600
22	Perkowitz+Ruth Architects	36,520,000
23	KlingStubbins	33,480,000
24	John A. Martin & Associates	32,292,780
25	Perkins Eastman	32,100,000
26	OZ Architecture	31,896,000
27	GreenbergFarrow	30,855,000
28	Cooper Carry	29,900,500
29	Rolf Jensen & Associates	28,986,750
30	Environmental Systems Design	27,300,000
31	Jacobs	27,144,560
32	Ingenium Group	26,070,000
33	Gresham, Smith and Partners	25,578,200
34	Leo A Daly	25,569,806
35	EwingCole	25,000,000
36	KPFF Consulting Engineers	24,300,000
37	Walter P Moore	23,891,738
38	Corgan Associates	23,485,977
39	Morris Architects	22,229,984
40	RSP Architects	22,050,329
41	Arquitectonica	21,840,000
42	Coffman Engineers	18,906,480
43	CASCO Diversified Corp.	18,800,000
44	Weidlinger Associates	18,450,000
45	OWP/P	18,108,000
46	Thornton Tomasetti	18,100,317
47	FXFOWLE Architects	17,480,000
48	KJWW Engineering Consultants	17,479,691
49	HDR Architecture	16,970,000
50	Middough	16,200,000
51	GRAEF	15,750,000
52	GHT Limited	15,680,000
53	Cannon Design	14,190,000
54	TLC Engineering for Architecture	13,671,446
55	Ellerbe Becket	13,583,608
56	Hnedak Bobo Group	13,500,000
57	Ware Malcomb	12,568,926
58	Harley Ellis Devereaux	11,408,000
59	M-E Engineers	11,175,000
60	KKE Architects	10,956,000
61	Reynolds, Smith and Hills	10,380,000
62	WATG	9,980,010
63	Glumac	9,940,000
64	DGA planning \| architecture \| interiors	9,536,800
65	Sasaki Associates	9,285,000
66	CH2M HILL	9,120,000
67	KTA Group	8,970,000
68	SchenkelShultz	8,720,000
69	TRO Jung/Brannen	8,531,600
70	Smallwood, Reynolds, Stewart, Stewart & Associates	8,494,000
71	H.F. Lenz Co.	8,400,000
72	Bergmann Associates, Architects Engineers Planners	7,964,598
73	CTA Architects Engineers	7,600,000
74	Baker and Associates	7,200,000
75	ka	7,150,000
76	Beyer Blinder Belle Architects & Planners	7,118,471
77	Bala Consulting Engineers	7,038,000
78	Bridgers & Paxton Consulting Engineers	6,903,806
79	S/L/A/M Collaborative, The	6,512,071
80	Henderson Engineers	6,418,565
81	URS Corp.	6,300,000
82	Ziegler Cooper Architects	6,195,000
83	Heery International	6,143,700
84	Joseph R. Loring & Associates	5,880,000
85	Interface Engineering	5,857,368
86	Zimmer Gunsul Frasca Architects	5,674,900
87	Magnusson Klemencic Associates	5,600,000
87	Lilker Associates Consulting Engineers	5,600,000
89	Cubellis	5,580,000
90	Ballinger	5,550,000
91	Westlake Reed Leskosky	5,540,500
92	WWCOT	5,184,000
93	Niles Bolton Associates	5,060,000
94	Teng & Associates	4,863,000
95	Wiss, Janney, Elstner Associates	4,680,000
96	RTKL Associates	4,225,692
97	SBLM Architecture PC	4,200,000
98	Goodwyn Mills and Cawood	4,100,000
98	KMD Architects	4,100,000
100	Newcomb & Boyd	3,836,581
Source: 2009 Giants 300 survey. For more Giants 300 rankings, visit www.BDCnetwork.com/Giants