Kimley-Horn, WSP, Terracon, Tetra Tech, and Langan head the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.
Top 75 Engineering Firms for 2021 | ||
FIRM | 2020 REVENUE | |
1 | Kimley-Horn | $568,704,813 |
2 | WSP USA | $427,524,789 |
3 | Terracon Consultants* | $333,200,000 |
4 | Tetra Tech High Performance Buildings Group | $275,271,866 |
5 | Langan | $265,000,000 |
6 | IMEG Corp. | $224,013,000 |
7 | Arup | $201,742,315 |
8 | KPFF Consulting Engineers | $196,364,000 |
9 | Jensen Hughes | $168,616,860 |
10 | Affiliated Engineers Inc. | $158,545,000 |
11 | Henderson Engineers | $127,760,939 |
12 | Walter P Moore | $123,338,091 |
13 | Syska Hennessy Group | $119,163,759 |
14 | Fluor Corp. | $99,440,000 |
15 | Vanderweil Engineers | $96,610,100 |
16 | Pennoni* | $94,656,000 |
17 | M.C. Dean | $77,787,370 |
18 | ESD | $71,584,764 |
19 | TLC Engineering Solutions | $69,643,721 |
20 | CMTA | $67,150,322 |
21 | Jaros, Baum & Bolles | $64,580,081 |
22 | AKF Group | $63,400,000 |
23 | RMF Engineering | $60,000,000 |
24 | ME Engineers | $57,550,000 |
25 | DeSimone Consulting Engineers | $54,127,073 |
26 | Magnusson Klemencic Associates | $53,738,949 |
27 | Arora Engineers | $47,395,349 |
28 | I.C. Thomasson Associates | $45,814,885 |
29 | Smith Seckman Reid | $45,007,506 |
30 | P2S | $44,272,937 |
31 | Martin/Martin Consulting Engineers | $40,285,857 |
32 | HEAPY | $38,881,623 |
33 | Mazzetti | $38,158,927 |
34 | Bala Consulting Engineers | $36,900,000 |
35 | Newcomb & Boyd | $36,121,754 |
36 | HPE Data Center Technologies Services (Facilities Consulting) | $33,700,000 |
37 | Osborn Engineering | $32,744,000 |
38 | raSmith | $30,600,000 |
39 | M/E Engineering | $28,465,000 |
40 | ThermalTech Engineering | $25,477,000 |
41 | Wallace Design Collective | $24,700,000 |
42 | Dunham Associates | $24,670,000 |
43 | H.F. Lenz | $24,111,000 |
44 | TEECOM | $23,196,162 |
45 | LBYD | $22,396,139 |
46 | French & Parrello Associates | $22,196,623 |
47 | KCI Technologies | $20,063,200 |
48 | Spectrum Engineers | $19,627,296 |
49 | Bridgers & Paxton Consulting Engineers | $19,148,968 |
50 | Specialized Engineering Solutions | $17,257,550 |
51 | Swanson Rink | $17,165,115 |
52 | EYP Mission Critical Facilities | $16,700,000 |
53 | Peter Basso Associates | $14,900,000 |
54 | Schaefer | $13,941,058 |
55 | Karpinski Engineering | $13,200,500 |
56 | Kohrs Lonnemann Heil Engineers | $12,915,464 |
57 | PBS Engineers | $12,203,000 |
58 | McKinstry | $12,000,000 |
59 | RMH Group, The | $11,562,362 |
60 | JQ Engineering | $11,316,761 |
61 | Kohler Ronan | $10,685,797 |
62 | Allen + Shariff | $9,459,083 |
63 | OLA Consulting Engineers | $9,167,477 |
64 | Tighe & Bond | $8,540,000 |
65 | MHP Structural Engineers | $7,137,443 |
66 | TAS Energy | $7,125,000 |
67 | G2 Consulting Group | $6,930,000 |
68 | DHE Engineering | $6,919,756 |
69 | Architectural Engineers | $6,907,886 |
70 | SSC Engineering | $6,734,533 |
71 | Paradigm Structural Engineers | $6,569,792 |
72 | Wick Fisher White | $6,271,000 |
73 | KCL Engineering | $5,083,849 |
74 | JP Harvey Engineering Solutions | $4,906,928 |
75 | New York Engineers | $3,426,500 |
76 | JALRW Engineering Group | $2,900,000 |
77 | Weitz Company, The | $1,738,500 |
78 | Structured Engineering Solutions | $1,400,000 |
79 | Marque Engineering | $1,375,822 |
SOURCE: 2021 Giants 400 Report *Editors' estimate Note: WSP USA was moved from the Top 40 Engineering/Architecture (EA) Firms list on 9/2/21.
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