Rank | Company | 2013 Engineering Revenue ($) |
1 | Fluor Corporation | 585,150,000 |
2 | Arup | 136,464,506 |
3 | Day & Zimmermann | 130,576,072 |
4 | WSP Group | 124,400,000 |
5 | Affiliated Engineers | 104,121,000 |
6 | KPFF Consulting Engineers | 94,025,000 |
7 | Syska Hennessy Group | 93,902,508 |
8 | Vanderweil Engineers | 80,334,000 |
9 | Simpson Gumpertz & Heger | 71,640,000 |
10 | AKF Group | 67,487,000 |
11 | Henderson Engineers | 67,409,108 |
12 | KJWW Engineering Consultants | 53,874,750 |
13 | Smith Seckman Reid | 52,919,312 |
14 | M-E Engineers | 48,288,000 |
15 | Glumac | 48,000,283 |
16 | BR+A Consulting Engineers | 46,000,000 |
17 | Magnusson Klemencic Associates | 45,348,511 |
18 | Environmental Systems Design | 45,000,000 |
19 | TTG | 44,444,960 |
20 | Rolf Jensen & Associates | 39,000,000 |
21 | Walter P Moore and Associates | 38,940,592 |
22 | RDK Engineers | 34,850,000 |
23 | TLC Engineering for Architecture | 34,807,545 |
24 | DeSimone Consulting Engineers | 34,571,250 |
25 | CCRD Partners | 30,200,000 |
26 | Coffman Engineers | 28,585,725 |
27 | Aon Fire Protection Engineering Corp. | 27,490,000 |
28 | Interface Engineering | 25,717,364 |
29 | Bala Consulting Engineers | 25,300,000 |
30 | I. C. Thomasson Associates | 25,210,000 |
31 | Degenkolb Engineers | 23,900,548 |
32 | Heapy Engineering | 23,293,500 |
33 | Mazzetti | 23,217,528 |
34 | Robins & Morton | 21,485,080 |
35 | Sparling | 20,957,107 |
36 | M/E Engineering | 20,665,840 |
37 | KCI Technologies | 18,500,000 |
38 | Martin/Martin | 18,488,764 |
39 | Joseph R. Loring & Associates | 17,500,000 |
40 | Bridgers & Paxton Consulting Engineers | 16,869,537 |
41 | KLH Engineers | 16,031,680 |
42 | Dunham Associates | 16,000,000 |
43 | Wallace Engineering | 14,335,000 |
44 | Karpinski Engineering | 14,224,790 |
45 | ThermalTech Engineering | 13,600,000 |
46 | GHT Limited | 13,260,000 |
47 | French & Parrello Associates | 12,518,105 |
48 | P2S Engineering | 12,443,860 |
49 | Spectrum Engineers | 11,515,076 |
50 | CJL Engineering | 10,875,000 |
51 | Zak Companies | 9,776,949 |
52 | Allen & Shariff | 9,606,286 |
53 | Brinjac Engineering | 7,690,671 |
54 | Wick Fisher White | 7,442,544 |
55 | OLA Consulting Engineers | 6,239,000 |
56 | Kamm Consulting | 5,023,662 |
57 | G&W Engineering Corp. | 2,757,700 |
58 | Total Building Commissioning | 762,246 |
59 | Yates Companies, The | 500,000 |
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