Top Office Sector Architecture Firms [2013 Giants 300 Report]

Rank	Company	2012 Office Revenue ($)
1	Gensler	$462,700,500
2	HOK	$128,726,000
3	Perkins+Will	$107,951,672
4	NBBJ	$64,002,000
5	Stantec	$62,500,236
6	PageSoutherlandPage	$43,190,000
7	Heery International	$39,443,931
8	Kohn Pedersen Fox Associates	$38,081,000
9	RTKL Associates	$37,474,000
10	Hammel, Green and Abrahamson	$37,307,000
11	NELSON	$34,453,532
12	HDR Architecture	$32,590,000
13	SmithGroupJJR	$28,400,000
14	IBI Group	$25,433,163
15	HLW International	$25,000,000
16	RSP Architects	$24,720,000
17	EYP	$23,000,000
18	Cannon Design	$22,000,000
19	Skidmore, Owings & Merrill	$21,802,000
20	RNL	$19,548,000
21	ZGF Architects	$19,488,790
22	Leo A Daly	$19,086,106
23	HKS	$18,000,000
24	Ziegler Cooper Architects	$16,405,617
25	CTA Architects Engineers	$14,609,906
26	Perkins Eastman	$14,500,000
27	Goettsch Partners	$14,080,000
28	Ware Malcomb	$13,336,000
29	LPA	$12,460,741
30	HNTB Archtecture	$12,457,966
31	DLR Group	$11,500,000
32	VOA Associates	$11,156,220
33	LS3P	$10,956,040
34	Swanke Hayden Connell Asrchitects	$10,000,000
35	Corgan	$9,955,204
36	Kirksey Architecture	$9,941,686
37	Cooper Carry	$8,995,996
38	WDG Architecture	$8,908,000
39	Gresham, Smith and Partners	$8,874,201
40	FXFOWLE Architects	$8,293,986
41	Wight & Co.	$8,102,200
42	Margulies Perruzzi Architects	$7,664,323
43	Solomon Cordwell Buenz	$7,500,000
44	Sasaki Associates	$7,038,052
45	SMMA \| Symmes Maini & McKee Associates	$7,000,000
46	Kaplan McLaughlin Diaz	$6,868,189
47	Cuningham Group Architecture	$6,584,483
48	Epstein	$6,318,000
49	Little	$6,062,464
50	EwingCole	$6,000,000
51	S/L/A/M Collaborative, The	$5,232,000
52	Environetics	$5,113,485
53	Goodwyn, Mills & Cawood	$5,010,000
54	Westlake Reed Leskosky	$5,000,000
55	Callison	$4,706,375
56	Beyer Blinder Belle Architects & Planners	$4,503,766
57	Ballinger	$4,271,000
58	Smallwood, Reynolds, Stewart, Stewart & Associates	$4,176,376
59	Francis Cauffman	$3,952,734
60	Moody Nolan	$3,900,000
61	Good Fulton & Farrell	$3,860,000
62	Mithun	$3,803,000
63	KZF Design	$3,679,546
64	BBG-BBGM	$3,600,000
65	Flad Architects	$3,500,000
66	GBBN Architects	$3,300,000
67	LMN Architects	$3,061,300
68	OZ Architecture	$2,958,128
69	Baskervill	$2,897,000
70	Hoefer Wysocki Architecture	$2,510,000
71	Carrier Johnson + Culture	$2,444,535
72	Reynolds, Smith and Hills	$2,180,000
73	Rule Joy Trammell + Rubio	$1,850,000
74	Fentress Architects	$1,678,370
75	Polytech Associates	$1,600,000
76	JRS Architect	$1,250,000
77	Hoffmann Architects	$1,232,000
78	EDI International	$1,214,000
79	Nadel	$1,212,861
80	Astorino	$1,202,000
81	PGAL	$1,150,000
82	Perkowitz+Ruth Architects	$1,043,019
83	MulvannyG2 Architecture	$994,427
84	LARGE Architecture	$766,582
85	Albert Kahn Family of Companies	$764,342
86	Niles Bolton Associates	$699,342
87	DLA Architects	$673,390
88	Emersion Design	$578,739
89	FGM Architects	$559,250
90	Fletcher-Thompson	$380,000
90	BLT Architects	$380,000
92	Legat Architects	$348,000
93	Davis Brody Bond	$342,799
94	Hnedak Bobo Group	$332,000
95	Morris Architects	$300,000
96	NAC\|Architecture	$269,373
97	Cambridge Seven Associates	$257,000
98	FRCH Design Worldwide	$250,000
99	WATG / Wimberly Interiors	$245,000
100	Harley Ellis Devereaux	$227,000
101	BSA LifeStructures	$188,520
102	DesignGroup	$168,033
103	Omniplan Architects	$155,327
104	CASCO	$150,000
104	PHX Architecture	$150,000
106	SRG Partnership	$120,428
107	HMC Architects	$113,111
108	TEG Architects - The Estopinal Group	$111,357
109	Harvard Jolly Architecture	$111,000
110	SLATERPAULL Architects	$101,500
111	BBS Architects, Landscape Architects and Engineers	$100,000
112	Sherlock, Smith & Adams	$96,000
113	Shepley Bulfinch Richardson & Abbott	$95,831
114	Fanning/Howey Associates	$40,000
115	DJM Architecture	$31,430