Top Engineering/Architecture Firms [2013 Giants 300 Report]

Rank	Company	2012 Total Revenue ($)
1	Jacobs Engineering Group	$2,715,210,000
2	AECOM Technology Corp.	$1,610,390,000
3	Parsons Brinckerhoff	$337,900,000
4	URS Corp.	$314,266,757
5	Buro Happold Consulting Engineers	$194,220,000
6	Burns & McDonnell	$160,645,000
7	Thornton Tomasetti	$124,575,393
8	Science Applications International Corp.	$120,249,686
9	Merrick & Co.	$103,998,000
10	SSOE Group	$103,708,918
11	Michael Baker Jr.	$88,880,000
12	Day & Zimmermann	$85,898,442
13	STV	$80,107,000
14	Wiss, Janney, Elstner Associates	$75,000,000
15	Dewberry	$72,755,906
16	Simpson Gumpertz & Heger	$65,200,000
17	Clark Nexsen	$62,273,849
18	AKF Group	$62,000,000
19	H&A Architects & Engineers	$43,335,401
20	Middough	$41,000,000
21	Walker Parking Consultants	$36,931,722
22	Shive-Hattery	$34,263,616
23	Barge, Waggoner, Sumner and Cannon	$30,700,000
24	BRPH	$28,890,000
25	Bergmann Associates	$25,398,000
26	Hixson Architecture, Engineering, Interiors	21,000,000
27	Guernsey	19,070,104
28	Ross & Baruzzini	16,705,127
29	Paulus, Sokolowski and Sartor	15,200,000
30	GRAEF	13,964,170
31	Zak Companies	13,814,233
32	CJL Engineering	12,992,858
33	Spectrum Engineers	10,890,075
34	Davis, Bowen & Friedel	10,777,296
35	Gray	10,454,722
36	Stanley Consultants	10,151,414
37	Primera Engineers	5,398,000
39	GRW	3,552,200

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Two innovations—program manager Gafcon’s SharePoint360 project management platform and a new BIM “wall creator” add-on developed by ClarkDietrich Building Systems for use with the Revit BIM platform and construction consultant—show how fabricators and owner’s reps are stepping in to fill the gaps between construction and design that can typically be exposed by working with a 3D model.