Top Office Sector Engineering Firms [2013 Giants 300 Report]

Rank	Company	2012 Office Revenue ($)
1	AECOM Technology Corp.	$830,320,000
2	Parsons Brinckerhoff	$146,400,000
3	Jacobs Engineering Group	$95,180,000
4	Burns & McDonnell	$82,020,000
5	Thornton Tomasetti	$50,861,467
6	Michael Baker Jr.	$50,720,000
7	WSP USA	$48,500,162
8	Arup	$32,355,607
9	Buro Happold Consulting Engineers	$28,720,000
10	AKF Group	$26,917,000
11	Allen & Shariff	$23,000,000
12	Syska Hennessy Group	$22,537,724
13	URS Corp.	$22,004,616
14	Environmental Systems Design	$19,528,391
15	Science Applications International Corp.	$18,346,871
16	Dewberry	$16,371,636
17	Wiss, Janney, Elstner Associates	$13,850,000
18	GHT Limited	$12,944,469
19	Glumac	$12,535,000
20	Haynes Whaley Associates	$10,928,961
21	Magnusson Klemencic Associates	$10,597,664
22	Vanderweil Engineers	$10,485,700
23	KPFF Consulting Engineers	$10,000,000
24	BRPH	$9,800,000
25	RDK Engineers	$9,578,000
26	Simpson Gumpertz & Heger	$8,500,000
27	Clark Nexsen	$6,169,304
28	Rolf Jensen & Associates	$6,000,000
29	H.F. Lenz	$5,357,000
30	H&A Architects & Engineers	$5,239,486
31	Joseph R. Loring & Associates	$5,150,000
32	Bridgers & Paxton Consulting Engineers	$4,807,632
33	ThermalTech Engineering	$3,800,000
34	CJL Engineering	$3,521,065
35	Smith Seckman Reid	$3,508,905
36	STV	$3,505,000
37	SSOE Group	$3,380,239
38	Newcomb & Boyd	$3,371,710
39	Heapy Engineering	$3,362,333
40	Sparling	$3,275,463
41	TTG	$3,203,930
42	Bala Consulting Engineers	$3,160,000
43	Walker Parking Consultants	$3,109,222
44	M-E Engineers	$3,100,000
45	Henderson Engineers	$3,014,367
46	Hixson Architecture, Engineering, Interiors	$3,000,000
47	TLC Engineering for Architecture	$2,991,691
48	Interface Engineering	$2,962,807
49	Coffman Engineers	$2,825,000
50	Walter P Moore	$2,681,402
51	KLH Engineers	$2,600,000
52	KJWW Engineering Consultants	$2,352,444
53	Karpinski Engineering	$2,179,216
54	Aon Fire Protection Engineering	$2,000,000
55	Primera Engineers	$1,998,000
56	Affiliated Engineers	$1,968,000
57	Dunham Associates	$1,750,000
58	Spectrum Engineers	$1,745,854
59	Peter Basso Associates	$1,700,000
60	GRAEF	$1,572,073
61	CTLGroup	$1,500,000
61	Middough	$1,500,000
61	Paulus, Sokolowski and Sartor	$1,500,000
64	Degenkolb Engineers	$1,497,172
65	Shive-Hattery	$1,480,615
66	Wick Fisher White	$1,462,851
67	French & Parrello Associates	$1,400,000
68	Brinjac Engineering	$1,199,912
69	Zak Companies	$1,151,229
70	M/E Engineering	$1,134,350
71	KCI Technologies	$1,000,000
71	OLA Consulting Engineers	$1,000,000
73	Kamm Consulting	$947,456
74	Mazzetti	$945,119
75	Bergmann Associates	$921,000
76	Bard, Rao + Athanas Consulting Engineers	$900,000
77	Wallace Engineering	$825,000
78	CCRD Partners	$700,000
79	Eaton Energy Solutions	$613,024
80	GRW	$542,150
81	G&W Engineering	$450,000
82	P2S Engineering	$383,806
83	Davis, Bowen & Friedel	$284,349
84	Guernsey	$241,535
85	Ross & Baruzzini	$225,000
86	RMF Engineering Design	$75,000
87	Apogee Consulting Group	$59,000
88	Total Building Commissioning	$43,810
89	Stanley Consultants	$10,107
90	FBA Engineering	$10,000

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In a recent survey conducted by Building Design+Construction, more than 75% of respondents indicated they currently use BIM or plan to use it. Respondents were also asked to comment on their experiences with BIM, what they liked and disliked about BIM, and what BIM-related advice they would give to their peers.