100 Top design firms in the U.S.

Discover the top 100 construction design firms in the U.S., shaping the built environment with diverse portfolios. From architectural masterpieces to cutting-edge engineering, explore sustainable designs and iconic landmarks, gaining insights into the visionary expertise defining these firms and shaping America's architectural identity.

100 Top design firms in the U.S.

America’s construction industry is home to some of the world’s most talented design engineers. Keep reading to learn more about the top-ranking companies that employ these skilled professionals.

Top 100 design firms in the United States

Here are the top 100 design firms in America by revenue, according to Engineering News-Record.

1Jacobs, Dallas, Texas
2AECOM, Los Angeles, Calif.
3Fluor Corp., Irving, Texas
4KBR Inc., Houston, Texas
5Tetra Tech Inc., Pasadena, Calif.
6Wood, Houston, Texas
7HDR, Omaha, Neb.
8WSP USA, New York, N.Y.
9Stantec Inc., Irvine, Calif.
10Burns & McDonnell, Kansas City, Mo.
11Parsons Corp., Centreville, Va.
12Black & Veatch, Overland Park, Kan.
13Arcadis North America/Callisonrtkl, Highlands Ranch, Colo.
14Gensler, Los Angeles, Calif.
15Intertek-PSI, Arlington Heights, Ill.
16Hntb Cos., Kansas City, Mo.
17Bechtel, Reston, Va.
18SNC-Lavalin Inc., Bothell, Wash.
19Golder Associates Corp., Palm Beach, Fla.
20TRC, Lowell, Mass.
21Kimley-Horn, Raleigh, N.C.
22Leidos, Reston, Va.
23Cdm Smith, Boston, Mass.
24Terracon Consultants Inc., Olathe, Kan.
25GHD Inc., Irvine, Calif.
26Perkins+Will, Chicago, Ill.
27S&B Engineers And Constructors Ltd. & Affiliates, Houston, Texas
28Exp, Chicago, Ill.
29Michael Baker International, Pittsburgh, Pa.
30Worleyparsons Group Inc., Houston, Texas
31Kiewit Corp., Omaha, Neb.
32Stv Group Inc., New York, N.Y.
33Mott Macdonald, Iselin, N.J.
34NV5 Global Inc., Hollywood, Fla.
35Gannett Fleming, Camp Hill, Pa.
36Power Engineers Inc., Hailey, Idaho
37HOK, St. Louis, Mo.
38Dewberry, Fairfax, Va.
39Arup, New York, N.Y.
40Sargent & Lundy, Chicago, Ill.
41Brown And Caldwell, Walnut Creek, Calif.
42HKS, Dallas, Texas
43T.Y. Lin International, San Francisco, Calif.
44Skidmore, Owings & Merrill Llp (Som), New York, N.Y.
45Ibi Group Inc., Columbus, Ohio
46Fugro, Houston, Texas
47Geosyntec Consultants, Atlanta, Ga.
48Cardno Inc., Lone Tree, Colo.
49Gulf Interstate Engineering Co., Houston, Texas
50Carollo Engineers Inc., Walnut Creek, Calif.
51Hargrove Engineers + Constructors, Mobile, Ala.
52RS&H Inc., Jacksonville, Fla.
53Zachry Group, San Antonio, Texas
54Johnson, Mirmiran & Thompson Inc., Hunt Valley, Md.
55Aegion Corp., St. Louis, Mo.
56Cha Consulting Inc., Albany, N.Y.
57Smithgroup, Detroit, Mich.
58Willdan, Anaheim, Calif.
59Hazen And Sawyer, New York, N.Y.
60Thornton Tomasetti Inc., New York, N.Y.
61Langan, Parsippany, N.J.
62VHB, Watertown, Mass.
63DlR Group, Minneapolis, Minn.
64Perkins Eastman, New York, N.Y.
65KCI Technologies Inc., Sparks, Md.
66Greenman-Pedersen Inc., Babylon, N.Y.
67Kleinfelder, San Diego, Calif.
68Rk&K, Baltimore, Md.
69Cannondesign, New York, N.Y.
70Woodard & Curran, Portland, Maine
71Nelson, Minneapolis, Minn.
72ECS, Chantilly, Va.
73Jensen Hughes, Baltimore, Md.
74EN Engineering Llc, Warrenville, Ill.
75Enercon Services Inc., Kennesaw, Ga.
76Populous, Kansas City, Mo.
77Foth Cos., De Pere, Wis.
78Leo A Daly, Omaha, Neb.
79Universalpegasus International, Houston, Texas
80Pennoni, Philadelphia, Pa.
81Gresham Smith, Nashville, Tenn.
82Transystems, Kansas City, Mo.
83Corgan, Dallas, Texas
84KPFF Consulting Engineers, Seattle, Wash.
85ZGF Architects Llp, Portland, Ore.
86Stanley Consultants Inc., Muscatine, Iowa
87Volkert Inc., Mobile, Ala.
88Kohn Pedersen Fox Associates Pc, New York, N.Y.
89Transcore, Nashville, Tenn.
90LJA Engineering, Houston, Texas
91NBBJ, Seattle, Wash.
92Sam Llc, Austin, Texas
93Woolpert Inc., Dayton, Ohio
94SCS Engineers, Long Beach, Calif.
95Gei Consultants Inc., Woburn, Mass.
96Olsson Inc., Lincoln, Neb.
97Haley & Aldrich Inc., Burlington, Mass.
98S&Me Inc., Raleigh, N.C.
99Moffatt & Nichol, Long Beach, Calif.
100David Evans Enterprises Inc., Portland, Ore.

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A closer look at the top 10 best design firms in the U.S.

Now that you’ve seen the full list let’s take a closer look at the top 10 design firms based on their revenue.

1. Jacobs (Dallas, Texas)

Jacobs is a Dallas, Texas-based design firm that employs over 50,000 professionals worldwide and generates $13 billion in annual revenue. In addition to its design work, the company has been recognized as a forward-thinking firm, earning six leadership and environmental achievement awards from Environmental Business International in 2020.

2. AECOM (Los Angeles, California)

AECOM is a giant in the design engineering space, generating a reported $13.2 billion in revenue during 2020. Engineering News-Record also ranked AECOM atop its list of 200 construction firms regarding environmental friendliness.

3. Fluor Corporation (Irving, Texas)

Employing more than 44,000 workers, Fluor Corporation is easily among the largest design firms in America. It’s also among the oldest, having been in business for over 100 years.

As with the other design firms on this list, Fluor Corporation has received several awards for its leadership and sustainability initiatives. The Ethisphere Institute, for instance, has ranked Fluor Corporation as the World’s Most Ethical Company for 14 years straight.

4. KBR Incorporated (Houston, Texas)

KBR Incorporated is a Houston-based design and engineering firm previously owned by Halliburton. The company’s roots trace back to 1901 when M.W. Kellogg (one of two firms that merged in 1998 to become KBR incorporated, the other being Brown & Root Engineering) was founded.

KBR Incorporated’s awards include several from NASA related to its initiatives supporting small businesses.

5. Tetra Tech Incorporated (Pasadena, California)

Tetra Tech is an engineering and consulting company headquartered in Pasadena, California. It was founded in 1966 with a focus on engineering for coastal regions. Today, Tetra Tech provides several services, including:

  • artificial intelligence
  • asset management
  • defense
  • emergency management
  • infrastructure
  • ice engineering
  • management consulting
  • design and engineering

6. Wood (Houston, Texas)

Coming in at number six on the list of top design firms in America is Wood, which operates in more than 60 countries and employs approximately 40,000 professionals. Sustainability is at the core of what Wood does, as is reflected in the company’s goals:

  • achieving 40% female representation in senior leadership positions by 2030
  • reducing carbon emissions by 40% by 2030
  • eliminating the usage of single-use plastics in all company offices by 2025

Learn more about Wood’s sustainability initiatives and goals.

7. HDR (Omahama, Nebraska)

Based in Omaha, Nebraska, HDR is a 104-year-old company with more than 200 global offices staffed with 10,000 employees. HDR ranks third on the World Architecture 100 Survey for Global Architecture Practices. Learn more about the company’s accolades and rankings.

8. WSP USA (New York City, New York)

WSP USA is a design engineering firm with roots in the United States, Britain, and Canada. Its U.S. headquarters are in New York City. The company was founded over 130 years ago, with its U.S.-based operations in 1885.

In 2020, 12 of WSP USA’s projects were recognized by America’s Transportation Awards. Read more.

9. Stantec Incorporated (Irvine, California)

Stantec Incorporated has 350 locations and 22,000 employees spread out across six continents. Its design services include:

  • acoustics and vibration
  • architecture
  • bridge maintenance
  • civil engineering
  • climate change assessments
  • ecosystem restoration

10. Burns & McDonnell (Kansas City, Missouri) /h3

Last but certainly not least on our list of top design firms in the U.S., we have Burns & McDonnell, a Kansas City-based company specializing in design engineering for aviation, chemical facilities, transportation, and more.

Among Burns & McDonnell’s awards are:

  • 2020 Best Project in Government/Public Buildings (presented by Engineering News-Record Midwest for the McConnell Air Traffic Control Tower)
  • 2020 Best Project in Airport/Transit (presented by Engineering News-Record for the Braniff Centre Redevelopment Project)
  • 2020 Best Project in Industrial/Energy (presented by Engineering News-Record for the Bonneville Power Administration McNary Substation)

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The best design firms in the United States use Bridgit Bench to streamline resource management tasks such as:

Learn more about how Bridgit Bench helps subcontractors.

We hope you’ve found this article insightful in highlighting the largest design firms in America. For more industry news and tips, visit our blog.

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Brandon-Richard Austin

Brandon-Richard Austin is a writer and content strategist focused on the construction sector. He’s passionate about educating readers on construction management techniques and best practices.