Top Science and Technology Sector Engineering Firms [2013 Giants 300 Report]

Rank	Company	2012 S+T Revenue ($)
1	Affiliated Engineers	$19,824,000
2	Middough	$13,900,000
3	URS Corp.	$11,772,124
4	Bard, Rao + Athanas Consulting Engineers	$10,500,000
5	RMF Engineering Design	$9,200,000
6	Vanderweil Engineers	$7,851,900
7	Paulus, Sokolowski and Sartor	$7,500,000
8	WSP USA	$5,772,095
9	Science Applications International Corp.	$3,103,152
10	STV	$2,937,000
11	Clark Nexsen	$2,911,405
12	Haynes Whaley Associates	$2,303,235
13	AKF Group	$2,000,000
14	Syska Hennessy Group	$1,727,813
15	CCRD Partners	$1,500,000
16	Interface Engineering	$1,467,579
17	Glumac	$1,332,000
18	Rist-Frost-Shumway Engineering	$1,300,000
19	Wiss, Janney, Elstner Associates	$1,120,000
20	KJWW Engineering Consultants	$1,003,412
21	KPFF Consulting Engineers	$1,000,000
22	Rolf Jensen & Associates	$800,000
23	Environmental Systems Design	$753,418
24	RDK Engineers	$736,000
25	Eaton Energy Solutions	$664,808
26	Karpinski Engineering	$632,422
27	Bergmann Associates	$607,000
28	Mazzetti	$561,184
29	Degenkolb Engineers	$494,831
30	Henderson Engineers	$426,042
31	Coffman Engineers	$400,000
32	Walter P Moore	$345,245
33	TTG	$320,000
34	Thornton Tomasetti	$318,157
35	TLC Engineering for Architecture	$311,623
36	Aon Fire Protection Engineering	$300,000
37	Sparling	$253,574
38	OLA Consulting Engineers	$250,000
39	Dunham Associates	$200,000
39	M-E Engineers	$200,000
41	CTLGroup	$100,000
41	G&W Engineering	$100,000
43	CJL Engineering	$64,964
44	Spectrum Engineers	$58,546
45	French & Parrello Associates	$50,000
46	Allen & Shariff	$30,000
47	Primera Engineers	$28,000
48	FBA Engineering	$25,000

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