ENR West Top Design Firms 2026
June 2026
The ENR West Top Design Firms list, ranks the largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.
More detailed information on the Top Design Firms:
Top Design Firms Rankings by Sectors
Related Article:
West Coast Design Firms Regain Their Momentum
Click below for earlier editions:
2025 |
Click here for archived ENR California & Northwest top lists.
ENR West Top Design Firms 2026
| Rank 2026 |
Company Location/Website Top Officer |
Lic. Arch. Engr. Leed AP |
Largest Project to Break Ground Location Project Value ($ Mil.) |
Market Sectors By % of Revenue** | Regional Rev. 2025 ($ Mil) |
|---|---|---|---|---|---|
| 1/1 | AECOM* Los Angeles | aecom.com Matthew Crane, Executive Vice President, Regional Chief Executive, West |
66 696 102 |
WDOT Portage Bay Bridge Seattle 1,400.00 |
40 Transportation 19 Water Supply 18 Hazardous Waste |
1,076.66 |
| 2/2 | WSP USA Seattle | wsp.com Karen Doherty, Mountain Pacific Region Executive |
13 511 1051 |
SR 167/SR 161 to SR 410 – Rebuild Interchange Project Puyallup, Wash. 177.78 |
46 Transportation 17 General Building 14 Power |
924.57 |
| 3/3 | HDR Irvine, Calif. | hdrinc.com Kip Field, Southwest Regional Director of Operations |
— — — |
Not Provided | 47 Transportation 14 Water Supply 12 Sewerage/Solid Waste |
887.73 |
| 4/4 | Stantec Sacramento | stantec.com Sarah McIlroy, Vice President, Regional Leader, US West |
119 452 31 |
South Bay International Wastewater Treatment Plant Rehabilitation and Expansion San Diego 600.00 |
29 General Building 28 Water Supply 15 Power |
818.15 |
| 5/5 | HNTB Corp. Los Angeles | hntb.com Michelle Dippel, Executive Vice President, Western U.S. President |
15 188 1 |
Not Provided | 98 Transportation 2 General Building |
438.62 |
| 6/6 | Kimley-Horn San Diego | kimley-horn.com Matt McCormick, Regional Leader, California Region |
— — — |
Not Provided | 47 Transportation 34 General Building 9 Power |
418.49 |
| 7/7 | TRC Cos. Irvine, Calif. | trccompanies.com Mike Glenn, Senior Vice President, EHS and Quality |
— — — |
Not Provided | 58 Power 18 Transportation 11 Petroleum |
357.00 |
| 8/8 | Parsons Pasadena, Calif. | parsons.com William Shellor, SVP, West Region |
— — — |
Not Provided | 74 Transportation 9 Water Supply 9 Hazardous Waste |
295.80 |
| 9/10 | Burns & McDonnell Brea, Calif. | burnsmcd.com Zach Herrington, Sr. Vice President, Americas West |
7 118 14 |
Portland International Airport (PDX) Aviation Fueling Portland, Ore. Not Provided |
42 Power 20 Transportation 17 General Building |
236.24 |
| 10/11 | David Evans Enterprises Inc.* Portland, Ore. | deainc.com Al Barkouli, CEO |
— 430 — |
I-5 Rose Quarter Improvement Project Portland, Ore. 2,000.00 |
55 Transportation 16 Other Project Types 11 General Building |
222.30 |
| 11/21 | BKF Oakland, Calif. | bkf.com Darren Riegler, President & CEO |
— 234 — |
Not Provided | 46 General Building 40 Transportation 9 Water Supply |
216.96 |
| 12/13 | Kleinfelder, Inc. San Diego | Kleinfelder.com Chris King, West Division Director |
2 162 10 |
USACE: Lower San Joaquin River Improvement Project Stockton, Calif. 2,000.00 |
32 Power 26 Transportation 16 Water Supply |
212.72 |
| 13/9 | Arcadis North America Highlands Ranch, Colo. | arcadis.com John McCarthy, President, Arcadis North America |
— — — |
Not Provided | 45 Hazardous Waste 16 Telecommunications 15 General Building |
197.76 |
| 14/12 | Arup US Inc. Los Angeles | arup.com Alex Lofting, Principal, Americas West and LATAM Leader |
0 62 84 |
BART CP2 San Jose, Calif. Not Provided |
56 General Building 27 Transportation 9 Telecommunications |
197.31 |
| 15/50 | AtkinsRéalis Tampa | atkinsrealis.com Steve Morriss, President, U.S., LATAM, Minerals and Metals |
— — — |
Not Provided | 75 Transportation 12 Power 7 General Building |
186.31 |
| 16/15 | Parametrix Seattle | parametrix.com Darby Watson, Senior Vice President |
— 205 5 |
Not Provided | 57 Transportation 18 Sewerage/Solid Waste 11 Water Supply |
183.58 |
| 17/17 | SmithGroup San Francisco | smithgroup.com Heather Chung, VP, West Region Director |
122 17 152 |
Kaiser Permanente Railyards Medical Center Sacramento 1,636.00 |
97 General Building 2 Telecommunications |
172.49 |
| 18/18 | GFT Santa Ana, Calif. | gftinc.com Camilo Rocha, Senior Vice President |
10 133 13 |
Not Provided | 66 Transportation 21 Water Supply 7 General Building |
171.30 |
| 19/14 | Michael Baker International Pittsburgh | mbakerintl.com Trudi Lim, Regional Director |
4 166 27 |
Not Provided | 38 General Building 29 Transportation 25 Water Supply |
165.06 |
| 20/16 | Mott MacDonald Los Angeles | mottmac.com Julia K. Barker, Unit General Manager |
1 71 11 |
Not Provided | 83 Transportation 10 Sewerage/Solid Waste 3 Water Supply |
154.25 |
| 21/20 | HMC Architects Ontario, Calif. | hmcarchitects.com Brian Staton, CEO |
— — — |
Not Provided | 100 General Building |
152.47 |
| 22/19 | DLR Group* Los Angeles | dlrgroup.com Pamela Touschner, California Region Leader, Managing Principal |
129 38 9 |
Evergreen Valley College Student Services Complex Buildings San Jose, Calif. 84.15 |
100 General Building |
149.60 |
| 23/22 | Mark Thomas San Jose, Calif. | markthomas.com Zach Siviglia, President & CEO |
— 98 1 |
Not Provided | 80 Transportation 13 Power 6 Sewerage/Solid Waste |
145.18 |
| 24/24 | Moffatt & Nichol Long Beach, Calif. | moffattnichol.com Rick Rhoads, Regional Operations Manager |
5 192 20 |
Not Provided | 100 Transportation |
129.23 |
| 25/23 | Salas O'Brien Irvine, Calif. | salasobrien.com John Salas, Senior Managing Principal |
12 43 2 |
Not Provided | 66 General Building 23 Telecommunications 5 Manufacturing |
121.10 |
| 26/26 | Terracon Olathe, Kan. | terracon.com Tim Anderson, Chief Operating Officer |
5 53 — |
Boardman to Hemingway Transmission Line Boardman, Ore. 1,000.00 |
44 General Building 18 Hazardous Waste 16 Power |
117.10 |
| 27/28 | NBBJ* Seattle | nbbj.com Robert Mankin, Managing Partner |
88 — 68 |
Evergreen Health Urology Clinic Kirkland, Wash. Not Provided |
100 General Building |
116.50 |
| 28/25 | ZGF Portland, Ore. | zgf.com Sharron van der Meulen, Managing Partner |
150 1 160 |
SoCal OASIS Riverside, Calif. Not Provided |
85 General Building 15 Transportation |
96.28 |
| 29/31 | GEI Consultants Inc. Wakefield, Mass. | geiconsultants.com Scott J. Wallington, CEO |
— — — |
Not Provided | 90 Water Supply 3 Power 2 Sewerage/Solid Waste |
94.27 |
| 30/— | Degenkolb Engineers San Francisco | degenkolb.com Stacy Bartoletti, CEO |
1 179 — |
Not Provided | Not Provided |
91.43 |
| 31/27 | SWCA Environmental Consultants Pasadena, Calif. | swca.com John Dietler, Senior Vice President |
0 9 6 |
Not Provided | 66 Power 11 General Building 8 Water Supply |
82.19 |
| 32/48 | Corgan Culver City, Calif. | corgan.com Brent Kelley, Managing Principal |
32 — 17 |
LAX Terminal 5 Redevelopment Los Angeles 2,000.00 |
77 Transportation 15 Telecommunications 7 General Building |
80.84 |
| 33/29 | Kennedy/Jenks Consultants Inc. San Francisco | kennedyjenks.com Spencer Archer, Vice President |
2 127 10 |
Ventura MBR/UV Ventura, Calif. 240.00 |
47 Sewerage/Solid Waste 41 Water Supply 4 Manufacturing |
79.44 |
| 34/— | Dewberry Rancho Cordova, Calif. | dewberry.com Dennis Haglan, Senior Vice President, Operating Unit Manager |
15 49 — |
North County Corridor Modesto, Calif. 144.00 |
44 Transportation 31 General Building 9 Sewerage/Solid Waste |
71.59 |
| 35/36 | Woodard & Curran Walnut Creek, Calif. | woodardcurran.com Alyson Watson, CEO |
0 61 1 |
Not Provided | 41 Sewerage/Solid Waste 31 Water Supply 16 Industrial Process |
70.22 |
| 36/37 | PAE Consulting Engineers Inc. Portland, Ore. | pae-engineers.com Brad Wilson, Senior Principal |
2 125 88 |
Confidential 400+MW Data Center Projects Oregon Not Provided |
89 General Building 11 Transportation |
69.47 |
| 37/— | Wood Rodgers Inc. Sacramento | woodrodgers.com Mark Rayback, President |
5 79 6 |
Not Provided | 30 Other Project Types 29 Transportation 23 Water Supply |
68.77 |
| 38/39 | CO Architects Los Angeles | coarchitects.com Jenna Knudsen. Managing Principal |
46 — 33 |
Not Provided | 100 General Building |
66.73 |
| 39/41 | Langan San Francisco, | langan.com Lori Simpson, Managing Principal |
— — — |
Not Provided | 50 General Building 24 Industrial Process 15 Power |
66.41 |
| 40/34 | IMEG Pasadena, Calif. | imegcorp.com Paul VanDuyne, President & CEO |
— — — |
Not Provided | 95 General Building 5 Manufacturing |
62.60 |
| 41/30 | Ninyo & Moore, A SOCOTEC Company San Diego | ninyoandmoore.com Kenneth Mansir Jr., CEO & President |
— 29 12 |
Long Beach USD Washington Middle School Transformation Project Long Beach, Calif. 175.00 |
65 General Building 8 Water Supply 7 Hazardous Waste |
62.43 |
| 42/38 | STV* Los Angeles | stvinc.com Liz Justison, President, Transportation West |
13 46 12 |
Not Provided | 100 Transportation |
62.00 |
| 43/40 | Affiliated Engineers Inc. (AEI)* San Francisco | aeieng.com Krista Murphy, Principal |
0 120 31 |
University of California, Berkeley – Berkeley Clean Energy Campus (BCEC) Berkeley, Calif. 475.00 |
75 General Building 17 Power 6 Industrial Process |
61.40 |
| 44/41 | Woolpert San Rafael, Calif. | woolpert.com Dave Neff, Market Director |
— — — |
Not Provided | 51 Other Project Types 23 Telecommunications 17 General Building |
58.28 |
| 45/46 | Kier + Wright Livermore, Calif. | kierwright.com Marilynn Stratton, Chief Strategy Officer |
— 39 2 |
NVIDIA Headquarters, Phase 3 Santa Clara, Calif. Not Provided |
90 General Building 5 Power 2 Telecommunications |
55.53 |
| 46/33 | Westwood Professional Services Las Vegas | westwoodps.com Todd Steadham, Vice President, Land Development |
1 13 — |
Not Provided | 44 Other Project Types 44 Power 7 General Building |
52.16 |
| 47/56 | Steinberg Hart Los Angeles | steinberghart.com David Hart, President & CEO |
64 — 62 |
Cal Poly San Luis Obispo, Student Housing San Luis Obispo, Calif. 154.00 |
100 General Building |
50.34 |
| 48/— | Electrical Consultants Inc. San Diego | eciusa.com Yelena Radibratovic, General Manager, San Diego |
— 79 — |
Circle City Energy Storage Corona, Calif. Not Provided |
100 Power |
45.90 |
| 49/52 | Bowman Consulting Group Ltd. (Bowman) San Diego | bowman.com Bruce Larson, EVP, Divisional Manager |
0 38 1 |
Riverwalk, Phase 1 San Diego 380.00 |
50 General Building 21 Transportation 15 Power |
45.21 |
| 50/43 | CannonDesign Los Angeles | CannonDesign.com Brandon Dekker, West Region Executive Director |
— — — |
Hollywood Burbank Airport Burbank, Calif. Not Provided |
Not Provided |
45.00 |
| 51/45 | Interface Engineering Inc. Portland, Ore. | interfaceengineering.com Andy Frichtl, Managing Principal |
— 62 32 |
Power Station Block 2/ LEED Gold Goal San Francisco Not Provided |
Not Provided |
43.37 |
| 52/64 | Quattrocchi Kwok Architects Santa Rosa, Calif. | qka.com Aaron Jobson, CEO & President |
26 — 20 |
Not Provided | 100 General Building |
43.26 |
| 53/— | Ruhnau Clarke Architects Riverside, Calif. | ruhnauclarke.com Roger Clarke, President |
16 — 6 |
Pleasant Valley Elementary School Hemet, Calif. 64.01 |
100 General Building |
40.94 |
| 54/44 | HKS Los Angeles | hksinc.com Scott Hunter, Office Director, Partner |
50 1 68 |
HCA Riverside Tower Parking Garage Riverside, Calif. Not Provided |
100 General Building |
37.15 |
| 55/54 | Taylor Design Tustin, Calif. | wearetaylor.com Kevin Hinrichs, President |
31 — 20 |
Tri-Valley East Wing Addition Pleasanton, Calif. Not Provided |
100 General Building |
35.72 |
| 56/57 | DAHLIN Architecture | Planning | Interiors Pleasanton, Calif. | dahlingroup.com Nancy Keenan, President & CEO |
— — — |
Not Provided | 100 General Building |
35.65 |
| 57/92 | Colliers Engineering & Design Los Angeles | colliersengineering.com Dana Barbera, Project Management Geographic Discipline Leader |
— — — |
Not Provided | 94 General Building 4 Other Project Types 3 Telecommunications |
34.98 |
| 58/58 | Geo-Logic Associates Inc. Ontario, Calif. | geo-logic.com Gary L. Lass, CEO & COO |
— 40 — |
Not Provided | 74 Sewerage/Solid Waste 16 Other Project Types 7 Water Supply |
33.24 |
| 59/47 | EXP* San Diego | exp.com Mark Dvorak, President & COO |
— — — |
Not Provided | Not Provided |
31.86 |
| 60/63 | RS&H Inc. Seattle | rsandh.com Steve Creamer, Senior Vice President |
— 8 2 |
Redmond Municipal Airport Terminal Expansion City of Redmond, Wash. 180.00 |
89 Transportation 7 Industrial Process 4 General Building |
31.40 |
| 61/65 | Atwell LLC Kirkland, Wash. | atwell.com Ted Northrop, Senior Vice President |
1 18 0 |
Not Provided | 51 Power 28 General Building 17 Other Project Types |
31.13 |
| 62/— | Allana Buick & Bers Inc.* Palo Alto, Calif. | abbae.com Karim Allana, CEO, Senior Principal |
— — — |
Not Provided | Not Provided |
29.70 |
| 63/66 | R&M Consultants Inc. Anchorage | rmconsult.com Lendle Story, CEO |
0 22 1 |
Sterling Highway MP 45-60, Sunrise to Skilak Lake Road, Stage 1B (Stage 3 EWP) Cooper Landing, Alaska 120.00 |
74 Transportation 7 Other Project Types 7 General Building |
29.22 |
| 64/— | Common Arts* Long Beach, Calif. | commonarts.com Brad Williams, CEO |
51 0 — |
Not Provided | 100 General Building |
28.58 |
| 65/62 | Syska Hennessy Group Los Angeles | syska.com Sean Marcel, Principal |
0 18 16 |
GIC Soto Data Center Vernon, Calif. Not Provided |
70 General Building 19 Transportation 10 Telecommunications |
28.14 |
| 66/— | Ankrom Moisan Architects Inc. Portland, Ore. | ankrommoisan.com Murray Jenkins, President & CEO |
33 — — |
Saratoga Retirement Community Saratoga, Calif. 98.00 |
100 General Building |
27.50 |
| 67/— | Cannon Corp. San Luis Obispo, Calif. | cannoncorp.us Michael Cannon, President & CEO |
— 85 — |
Not Provided | 30 Water Supply 27 General Building 17 Transportation |
27.00 |
| 68/69 | PBS Engineers Inc. San Dimas, Calif. | pbsengineers.com Kunal Shah, President & CEO |
— 20 30 |
LAX International Airport Terminal 5 Redevelopment and Reconstruction Los Angeles 1,500.00 |
70 Transportation 30 General Building |
25.81 |
| 69/— | Buehler Sacramento | buehlerengineering.com Scott Hooker, President |
— 71 10 |
Not Provided | 94 General Building 6 Transportation |
25.53 |
| 70/68 | PGAL Los Angeles | PGAL.com Jeff Gerber, CEO |
11 — 6 |
Not Provided | 95 Transportation 5 General Building |
25.32 |
| 71/67 | Carrier Johnson + Culture San Diego | carrierjohnson.com David Huchteman, CEO |
29 0 12 |
Not Provided | 100 General Building |
24.39 |
| 72/74 | Cushing Terrell Billings, Mont. | cushingterrell.com Greg Matthews, President |
9 21 2 |
Pacific Highway Land Port of Entry Blaine, Wash. 33.20 |
90 General Building 4 Other Project Types 3 Power |
22.37 |
| 73/— | CHA Consulting Inc. Temecula, Calif. | chasolutions.com Phil Stevens, Sector President, Infrastructure |
0 4 0 |
Mid-County Parkway/Ramona Expressway San Jacinto, Calif. 107.00 |
90 Transportation 10 Power |
21.40 |
| 74/78 | PM Design Inc. Rocklin, Calif. | pmdesign.com Roy Pedro, President & CEO |
5 2 — |
Not Provided | 100 General Building |
20.40 |
| 75/— | GUIDA Irvine, Calif. | guidainc.com Ralph Guida IV, President |
— — 18 |
I-10 Corridor Freight and Express Land Project Multiple Cities in California 310.00 |
40 Petroleum 40 Transportation 10 Power |
20.10 |
| 76/77 | BAR Architects & Interiors San Francisco | bararch.com William Duncanson, Principal & CEO |
29 — 27 |
UC Merced Promise Student Housing Merced, Calif. 86.00 |
100 General Building |
19.98 |
| 77/70 | Walter P Moore Los Angeles | walterpmoore.com Jeff Nixon, Managing Director |
4 40 — |
Not Provided | 80 General Building 18 Transportation 1 Other Project Types |
18.31 |
| 78/81 | RBB Architects Inc. Los Angeles | rbbinc.com Sylvia Botero, President |
10 — 8 |
Valley Presbyterian Hospital Central Utility Plant Van Nuys, Calif. 70.00 |
100 General Building |
13.54 |
| 79/— | TYPSA Inc. Irvine, Calif. | typsa.us Scott McKenzie, CEO |
— — — |
Not Provided | 100 Transportation |
12.34 |
| 80/73 | Haskell Jacksonville, Fla. | haskell.com Jim O'Leary, Chairman & CEO |
96 191 117 |
Not Provided | 62 Manufacturing 22 Industrial Process 11 Transportation |
11.21 |
| 81/— | Treanor San Francisco | treanor.design Kimberly Butt, Principal |
4 0 3 |
Jesse Unruh Building Renovation Sacramento 2.08 |
99 General Building 1 Telecommunications |
9.10 |
| 82/83 | 4 S.T.E.L. Engineering Inc. Mission Viejo, Calif. | 4steleng.com Dustin Rosepink, President & CEO |
— 16 — |
Not Provided | Not Provided |
8.94 |
| 83/85 | SGH Architects Inc. Redlands, Calif. | sgharch.com Michael J. Stephens, Managing Partner |
— — — |
Not Provided | Not Provided |
8.62 |
| 84/88 | Wilson & Co., Engineers & Architects San Bernardino, Calif. | wilsonco.com Andrew Leifheit, Senior Vice President, Chief Operating Officer |
1 20 3 |
BNSF - Lime Avenue Street Fontana, Calif. 0.75 |
94 Transportation 3 Other Project Types 2 Water Supply |
8.41 |
| 85/90 | CSHQA Inc. Sacramento | cshqa.com James A. Marsh, President & CEO |
4 0 1 |
Not Provided | 100 General Building |
6.46 |
| 86/82 | JCJ Architecture San Diego | JCJ.com Robert Gdowski, Principal, Director of Hospitality Design |
4 0 2 |
Not Provided | 100 General Building |
5.34 |
| 87/95 | ECS Group of Companies Carrollton, Texas | ecslimited.com Mark Zortman, President, ECS Southwest LLP |
4 1 0 |
Santa Monica Alternative School House Santa Monica, Calif. 1.22 |
96 General Building 2 Telecommunications 1 Manufacturing |
4.33 |
| 88/94 | Ayres Burbank, Calif. | AyresAssociates.com Gus Chaves, Director of MEP Services |
0 4 2 |
Vander Schaaf Dairy Digester to Energy Escalon, Calif. 37.00 |
82 General Building 12 Water Supply 5 Sewerage/Solid Waste |
3.42 |
| 89/93 | Collins Engineers Inc. Denver | Collinsengr.com Andy Mish, Senior Vice President, Division Manager |
— — — |
Not Provided | Not Provided |
2.94 |
| 90/— | Sigma Technologies Ltd. Perrysburg, Ohio | teamsigma.com Ryan Hetrick, CEO |
— — — |
Not Provided | 100 Power |
2.56 |
| 91/— | Garver Ontario, Calif. | GarverUSA.com Frank McIllwain, Senior Vice President |
— — — |
Not Provided | 49 Transportation 35 Water Supply 8 Sewerage/Solid Waste |
1.39 |
| 92/— | Abstract Group Inc. Columbia, Md. | abstract.group Daniel Kebede, President |
— — — |
Not Provided | 100 Transportation |
0.51 |
| 93/96 | The Korte Co. Highland, Ill. | korteco.com Brent Korte, President & CEO |
— — — |
Not Provided | 100 General Building |
0.38 |