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Top 75 Engineering Firms for 2021

Giants 400

Top 75 Engineering Firms for 2021

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.


By BD+C Staff | August 25, 2021
Top 75 Engineering Firms for 2021 Medical University of South Carolina Shawn Jenkins Children’s Hospital Walter P Moore Halkin Mason Photography
Pictured: The lobby at the Medical University of South Carolina Shawn Jenkins Children’s Hospital and the Pearl Tourville Women’s Pavilion, Charleston, S.C. On the project team: Perkins and Will (architect), Walter P Moore (SE, EOR for superstructure), ADC Engineering (SE, EOR for foundations), Robins & Morton (GC), Brownstone (contractor). Photographer: Halkin Mason Photography, photo courtesy Walter P Moore

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.

 

BACK TO THE 2021 GIANTS 400 LANDING PAGE

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