GIANTS 300 REPORT: Top 75 Office Sector Engineering Firms

	Company	2014 Office Revenue ($)
1	AECOM	$947,497,000
2	Jacobs	$512,160,000
3	Burns & McDonnell	$69,727,005
4	Thornton Tomasetti	$65,486,893
5	WSP \| Parsons Brinckerhoff	$54,344,358
6	Arup	$38,144,105
7	Syska Hennessy Group	$37,550,128
8	Leidos	$28,461,000
9	KPFF Consulting Engineers	$24,527,000
10	Hankins & Anderson	$23,890,957
11	Dewberry	$19,253,947
12	Wiss, Janney, Elstner Associates	$15,750,000
13	Environmental Systems Design	$15,276,584
14	Magnusson Klemencic Associates	$13,535,865
15	RDK Engineers	$13,259,000
16	Aon Fire Protection Engineering	$12,000,000
17	Vanderweil Engineers	$11,481,900
18	Simpson Gumpertz & Heger	$11,470,000
19	Cardno Haynes Whaley	$10,529,061
20	GHT Ltd.	$10,088,605
21	Bala Consulting Engineers	$9,204,000
22	ME Engineers	$7,790,000
23	KCI Technologies	$7,000,000
24	Highland Associates	$6,200,000
25	Walter P Moore	$5,498,356
26	Hixson Architecture, Engineering, Interiors	$5,000,000
27	H.F. Lenz Company	$4,942,560
28	Bridgers & Paxton Consulting Engineers	$4,346,316
29	CJL Engineering	$4,235,747
30	Wendel	$4,099,302
31	Henderson Engineers	$4,011,185
32	KJWW Engineering Consultants	$3,678,103
33	Martin/Martin	$3,334,360
34	TLC Engineering for Architecture	$3,225,752
35	Guernsey	$3,183,777
36	Newcomb & Boyd	$3,159,194
37	Jensen Hughes	$3,103,361
38	Kamm Consulting	$3,015,715
39	KLH Engineers	$3,009,930
40	STV	$2,614,000
41	Smith Seckman Reid	$2,388,597
42	Epstein	$2,340,100
43	OLA Consulting Engineers	$2,291,000
44	Dunham Associates	$2,250,000
45	Karpinski Engineering	$2,200,000
46	DeSimone Consulting Engineers	$2,125,440
47	SSOE Group	$1,926,260
48	Swanson Rink	$1,700,000
49	Spectrum Engineers	$1,508,352
50	G&W Engineering	$1,453,200
51	Peter Basso Associates	$1,404,000
52	GRAEF	$1,310,000
53	Affiliated Engineers	$1,309,000
54	LaBella Associates	$1,284,698
55	ThermalTech Engineering	$1,200,000
56	GRW	$1,130,150
57	Heapy Engineering	$1,104,981
58	Barge, Waggoner, Sumner and Cannon	$1,100,000
59	Zak Companies	$1,091,570
60	M/E Engineering	$1,082,121
61	William Tao & Associates	$1,080,000
62	Wick Fisher White	$1,013,000
63	Rist-Frost-Shumway Engineering	$1,000,000
64	Degenkolb Engineers	$880,609
65	TTG	$878,125
66	Davis, Bowen & Friedel	$702,741
67	Mazzetti	$694,206
68	Coffman Engineers	$578,000
69	Allegheny Design Services	$544,384
70	Core States Group	$500,000
71	Primera Engineers	$411,476
72	CTLGroup	$400,000
73	Wallace Engineering	$390,000
74	Larson Design Group	$366,645
75	I. C. Thomasson Associates	$310,000