Top Data Center Engineering Firms [2013 Giants 300 Report]

Rank	Company	2012 Data Center Revenue ($)
1	Fluor	$235,678,900
2	Syska Hennessy Group	$36,735,434
3	Jacobs Engineering Group	$36,700,000
4	H&A Architects & Engineers	$35,427,599
5	URS Corp.	$26,229,049
6	Environmental Systems Design	$10,575,892
7	Parsons Brinckerhoff	$10,300,000
8	H.F. Lenz	$7,357,000
9	Science Applications International Corp.	$6,760,598
10	AKF Group	$6,602,000
11	Clark Nexsen	$5,166,474
12	Arup	$4,562,202
13	KPFF Consulting Engineers	$4,000,000
14	Michael Baker Jr.	$3,840,000
15	Vanderweil Engineers	$3,761,500
16	Bala Consulting Engineers	$3,630,000
17	Glumac	$3,142,000
18	Zak Companies	$2,648,017
19	RMF Engineering Design	$2,500,000
20	Guernsey	$2,450,838
21	GHT Limited	$2,400,000
22	Degenkolb Engineers	$2,156,452
23	Ross & Baruzzini	$2,120,725
24	Sparling	$1,930,962
25	Wick Fisher White	$1,706,660
26	Thornton Tomasetti	$1,517,448
27	CCRD Partners	$1,400,000
28	Bridgers & Paxton Consulting Engineers	$1,349,511
29	RDK Engineers	$1,116,000
30	ThermalTech Engineering	$1,000,000
31	Affiliated Engineers	$971,000
32	Henderson Engineers	$944,577
33	Joseph R. Loring & Associates	$915,000
34	Haynes Whaley Associates	$698,598
35	CJL Engineering	$649,643
36	TLC Engineering for Architecture	$641,335
37	Mazzetti	$636,626
38	WSP USA	$556,800
39	Aon Fire Protection Engineering	$500,000
39	Dewberry	$500,000
39	Dunham Associates	$500,000
39	KCI Technologies	$500,000
39	TTG	$500,000
44	M-E Engineers	$300,000
44	Paulus, Sokolowski and Sartor	$300,000
46	Interface Engineering	$252,504
47	Barge, Waggoner, Sumner and Cannon	$200,000
47	OLA Consulting Engineers	$200,000
47	Rolf Jensen & Associates	$200,000
50	Karpinski Engineering	$177,164
51	Apogee Consulting Group	$158,000
52	Magnusson Klemencic Associates	$156,304
53	Total Building Commissioning	$146,395
54	SSOE Group	$123,314
55	GRW	$121,135
56	Newcomb & Boyd	$95,355
57	Allen & Shariff	$65,000
58	Brinjac Engineering	$58,971
59	CTLGroup	$50,000
60	Spectrum Engineers	$49,934
61	Eaton Energy Solutions	$46,204
62	P2S Engineering	$45,830
63	Kamm Consulting	$29,084

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