ENR Mountain States & Southwest Top Design Firms 2026
June 2026
The ENR Mountain States & Southwest 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:
Mountain States & Southwest Top Design Firms by Sectors
Related Article:
Population Growth, Climate Demands Drive Mountain States & Southwest Projects in 2026
Click below for earlier editions:
2025 |
Click here for archived ENR Mountain States, Intermountain and Southwest top lists.
ENR Mountain States & Southwest 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 | WSP USA Seattle | wsp.com Karen Doherty, Mountain Pacific Region Executive |
15 575 879 |
Not Provided | 45 Power 18 Transportation 10 Other Project Types |
661.69 |
| 2/— | Jacobs Solutions Dallas | jacobs.com Eva Wood, Executive Vice President, General Manager, Americas West |
— — — |
Not Provided | Not Provided |
440.87 |
| 3/4 | Kimley-Horn Las Vegas | kimley-horn.com Chris Jones, Regional Leader, Southwest Region |
— — — |
Not Provided | 40 General Building 34 Transportation 9 Telecommunications |
406.76 |
| 4/3 | HDR Denver | hdrinc.com Brad Martin, Area Manager |
— — — |
Not Provided | 39 Transportation 16 Water Supply 13 Sewerage/Solid Waste |
395.70 |
| 5/2 | AECOM* Denver | aecom.com Matthew Crane, Executive Vice President, Regional Chief Executive, West |
29 476 22 |
I010, Kino Parkway to Country Club Road DB Tucson 442.00 |
35 Water Supply 30 Transportation 21 Hazardous Waste |
342.40 |
| 6/6 | Stantec Chandler, Ariz. | stantec.com Sarah McIlroy, Vice President, Regional Leader, U.S. West |
75 330 11 |
Douglas Commercial Land Port of Entry Douglas, Ariz. 275.00 |
19 Water Supply 19 Other Project Types 18 Transportation |
296.31 |
| 7/5 | Burns & McDonnell Englewood, Colo. | burnsmcd.com Zach Herrington, Senior Vice President, Americas West |
6 221 8 |
Not Provided | 64 Power 12 Telecommunications 6 Hazardous Waste |
287.52 |
| 8/— | Harris St. Paul, Minn. | harriscompany.com Michel Michno, CEO |
— — — |
Project Waterfall Aurora, Colo. 255.00 |
59 General Building 39 Manufacturing |
263.10 |
| 9/8 | Terracon Olathe, Kan. | terracon.com Tim Anderson, CEO |
5 73 3 |
TSMC FAB 04 Phoenix 1,000.00 |
31 General Building 18 Power 15 Hazardous Waste |
159.90 |
| 10/7 | Merrick & Co. Greenwood Village, Colo. | merrick.com Tamara Johnson, President & CEO |
— — — |
Not Provided | 78 General Building 14 Water Supply 3 Manufacturing |
159.30 |
| 11/28 | HNTB Corp. Los Angeles | hntb.com Michelle Dippel, Executive Vice President, Western U.S. President |
4 36 0 |
Las Vegas Athletics New Ballpark Las Vegas Not Provided |
83 Transportation 17 General Building |
140.36 |
| 12/9 | Arcadis North America Highlands Ranch, Colo. | arcadis.com John McCarthy, President, Arcadis North America |
— — — |
Not Provided | 47 Hazardous Waste 35 Water Supply 7 General Building |
126.37 |
| 13/12 | SWCA Environmental Consultants Salt Lake City | swca.com Anne Oliver, Vice President |
2 15 6 |
Not Provided | 56 Power 13 Other Project Types 11 Petroleum |
118.35 |
| 14/11 | Wilson & Co., Engineers & Architects Denver | wilsonco.com James A. Brady, President & CEO |
10 154 20 |
College and Tribly Intersection Improvements Fort Collins, Colo. 16.00 |
7 General Building |
102.89 |
| 15/10 | Electrical Consultants Inc. Billings, Mont. | eciusa.com Bruce LaMeres, CEO |
— 123 — |
Sun Dog Solar Transmission Coolridge, Ariz. Not Provided |
100 Power |
99.90 |
| 16/13 | SmithGroup Phoenix | smithgroup.com Brad Woodman, Vice President, Southwest Region Director |
66 16 55 |
University of Arizona - Center for Advanced Molecular Immunotherapies - PBC Phoenix 208.00 |
98 General Building 2 Transportation |
89.27 |
| 17/37 | AtkinsRéalis Tampa | atkinsrealis.com Steve Morriss, President, U.S., Latin America, Minerals & Metals |
— — — |
Not Provided | 46 Transportation 19 General Building 14 Water Supply |
84.99 |
| 18/17 | Sunrise Engineering Fillmore, Utah | sunrise-eng.com Greg Potter, President & CEO |
— — — |
Not Provided | 31 General Building 23 Water Supply 19 Petroleum |
78.72 |
| 19/33 | Westwood Professional Services Englewood, Colo. | westwoodps.com Sarah Kolz, Senior Director, Land Development |
— 73 — |
Not Provided | 52 Other Project Types 35 Power 13 General Building |
78.10 |
| 20/19 | Bowman Consulting Group Ltd. Tempe, Ariz. | bowman.com Bruce Larson, EVP, Division Manager |
0 46 7 |
Monarch Master Planned Community - Blocks 1 & 2 Marana, Ariz. 45.00 |
41 General Building 23 Other Project Types 16 Petroleum |
75.33 |
| 21/30 | Corgan Phoenix | corgan.com Jenn Consentino, Principal |
13 — 5 |
Vantage AZ15 Data Center Goodyear, Ariz. Not Provided |
87 Telecommunications 7 General Building 6 Transportation |
73.97 |
| 22/20 | IMEG Corp. Denver | imegcorp.com Paul VanDuyne, President & CEO |
— — — |
Not Provided | 84 General Building 6 Industrial Process 5 Manufacturing |
73.26 |
| 23/14 | Bohannan Huston Inc. Albuquerque | bhinc.com Bruce Stidworthy, President & CEO |
0 76 10 |
US 380 Corridor Improvements Roswell, N.M. 57.15 |
38 Transportation 23 General Building 17 Water Supply |
68.20 |
| 24/67 | Colliers Engineering & Design Phoenix | colliersengineering.com Darrell Wilson, Regional Civil, Site Manager |
— — — |
Not Provided | 50 Other Project Types 30 General Building 6 Sewerage/Solid Waste |
65.06 |
| 25/15 | David Evans Enterprises Inc.* Denver | deainc.com R.A. Plummer, Business Leader, Transportation, Senior Vice President |
— 227 — |
I-15: 1800 North Interchange and Corridor Widening Sunset and Clinton, Utah 200.00 |
81 Transportation 9 Power 6 General Building |
64.70 |
| 26/26 | DLR Group* Denver | dlrgroup.com Bob Binder, Southwest Region Leader, Principal |
68 19 8 |
Arizona Science Center Planetarium Renovation Phoenix 15.20 |
100 General Building |
64.50 |
| 27/32 | Woolpert Glendale, Colo. | woolpert.com Eric Risner, Market Director |
— — — |
Not Provided | 58 Transportation 20 General Building 14 Other Project Types |
62.78 |
| 28/24 | Michael Baker International Pittsburgh | mbakerintl.com Trudi Lim, Regional Director |
13 103 10 |
Not Provided | 54 Transportation 31 General Building 13 Water Supply |
61.37 |
| 29/22 | Stanley Consultants Broomfield, Colo. | stanleyconsultants.com Kate Harris, President, CEO & Chair |
— — — |
Not Provided | Not Provided |
61.35 |
| 30/23 | Cushing Terrell Billings, Mont. | cushingterrell.com Greg Matthews, President |
74 68 7 |
MSU College of Nursing Bozeman Bozeman, Mont. 17.85 |
95 General Building 2 Manufacturing 1 Sewerage/Solid Waste |
60.81 |
| 31/21 | Martin/Martin Inc. Lakewood, Colo. | martinmartin.com Shane McCormick, President |
6 193 26 |
West Side Cascadia Arena and Development Greeley, Colo. 1,100.00 |
72 General Building 9 Transportation 6 Water Supply |
57.18 |
| 32/27 | Atwell LLC Mesa, Ariz. | atwell.com Ted Northrop, Senior Vice President |
6 36 2 |
Not Provided | 39 General Building 27 Other Project Types 20 Petroleum |
55.65 |
| 33/16 | RS&H Inc. Denver, Colo. | rsandh.com George Tsiouvaras, Senior Vice President |
14 70 11 |
City of Denver’s Washington Street Livability Denver 32.00 |
83 Transportation 17 General Building |
54.39 |
| 34/29 | Ninyo & Moore, A SOCOTEC Company San Diego | ninyoandmoore.com Kenneth Mansir Jr., President & CEO |
— 20 10 |
Phoenix Power ICS Delta Utah Project Delta, Utah 2.09 |
51 General Building 12 Transportation 11 Power |
49.32 |
| 35/— | FFKR Architects Salt Lake City | ffkr.com Mike Leishman, President |
74 — 18 |
Cormont Deer Valley Park City, Utah Not Provided |
100 General Building |
48.31 |
| 36/35 | Salas O’Brien Greenwood Village, Colo. | salasobrien.com Deirdre McDaniel, Senior Managing Principal |
0 23 0 |
Not Provided | 50 General Building 21 Telecommunications 14 Manufacturing |
45.07 |
| 37/— | Davis Partnership Architects Denver | davispartnership.com David Daniel, President |
64 — — |
Craig Hospital Expansion Englewood, Colo. 250.00 |
100 General Building |
43.50 |
| 38/43 | Parametrix Las Vegas | parametrix.com Nathan Johnson, Senior Vice President |
0 36 1 |
Unser and Paseo Widening Albuquerque 62.00 |
69 Transportation 11 Telecommunications 8 Other Project Types |
43.20 |
| 39/— | CTL Thompson Inc. Centennial, Colo. | ctlt.com Stuart Thompson, President and CEO |
— 38 — |
Not Provided | 83 General Building 6 Transportation 5 Other Project Types |
41.97 |
| 40/44 | Farnsworth Group Inc. Greenwood Village, Colo. | f-w.com Karen Jensen, President & CEO |
— — — |
Not Provided | 50 Manufacturing 21 General Building 17 Industrial Process |
40.58 |
| 41/34 | Kleinfelder Inc. Denver | Kleinfelder.com Pascal Hinnen, Central Division Director |
3 92 2 |
Not Provided | 34 Power 19 Water Supply 14 General Building |
38.64 |
| 42/42 | Benesch Greenwood Village, Colo. | benesch.com William Epp, West Regional Manager |
— 67 — |
E-470 Sable Interchange CMCI Brighton, Colo. 31.50 |
99 Transportation 1 Other Project Types |
37.22 |
| 43/38 | Geo-Logic Associates Inc. Albuquerque | geo-logic.com Gundar Peterson, Senior Vice President |
— 52 — |
Not Provided | 61 Other Project Types 18 Sewerage/Solid Waste 16 Water Supply |
35.86 |
| 44/— | Wood Rodgers Inc. Reno, Nev. | woodrodgers.com Andrew Durling, Secretary |
2 36 3 |
Not Provided | 51 Other Project Types 27 Transportation 10 Water Supply |
31.13 |
| 45/51 | ZGF Denver | zgf.com Sadie Cline, Principal |
8 0 160 |
University of Colorado Boulder - New Chemistry and Applied Math Building Boulder, Colo. Not Provided |
88 General Building 12 Transportation |
27.75 |
| 46/57 | LJA Engineering Inc. Houston | lja.com James Ross, President & CEO |
— 41 — |
Not Provided | 100 General Building |
27.60 |
| 47/47 | Langan Denver | langan.com Luis Berroteran, Principal |
— — — |
Not Provided | 62 General Building 17 Power 10 Telecommunications |
27.43 |
| 48/48 | Affiliated Engineers Inc. (AEI)* Phoenix | aeieng.com Steve Yanke, Principal |
0 85 16 |
Not Provided | 39 General Building 27 Industrial Process 20 Telecommunications |
27.19 |
| 49/— | TYPSA Inc. Phoenix | typsa.us Scott McKenzie, CEO |
— — — |
Not Provided | 81 Transportation 19 Power |
26.17 |
| 50/39 | Mott MacDonald Lakewood, Colo. | mottmac.com Julia Barker, West Business Unit General Manager |
0 1 0 |
Not Provided | 62 Water Supply 18 Petroleum 11 Transportation |
25.22 |
| 51/— | Bridgers & Paxton Consulting Engineers Inc. Albuquerque | bpce.com Richard J. Reif, President |
0 31 18 |
Not Provided | 97 General Building 2 Manufacturing 1 Telecommunications |
24.54 |
| 52/59 | SAM LLC Greenwood Village, Colo. | sam.biz Andy Wesley, Senior Vice President, North Central Operations |
— — — |
Not Provided | Not Provided |
23.37 |
| 53/46 | GFT Phoenix | gftinc.com Stephanie M. Templeton, Office Leader |
0 39 2 |
Not Provided | 46 Transportation 26 Power 12 Water Supply |
21.10 |
| 54/52 | Woodard & Curran Bozeman, Mont. | woodardcurran.com Kevin Bethke, Senior Program Leader |
0 9 0 |
Not Provided | 90 Hazardous Waste 4 Sewerage/Solid Waste 4 Industrial Process |
20.83 |
| 55/56 | Treanor Denver | treanor.design Chad Novak, Principal |
23 0 6 |
Thornton High School Thornton, Colo. 3.22 |
91 General Building 6 Industrial Process 1 Transportation |
18.38 |
| 56/60 | ME Engineers Golden, Colo. | me-engineers.com Jeff Sawarynski, Co-CEO, Senior Principal |
— 36 16 |
Grand Sierra Resort Arena Reno, Nev. 435.00 |
96 General Building 4 Transportation |
16.58 |
| 57/53 | CSHQA Inc. Boise | cshqa.com James A. Marsh, President & CEO |
28 6 12 |
Not Provided | 100 General Building |
16.30 |
| 58/87 | PGAL Las Vegas | PGAL.com Ben Girardin, Principal |
7 — — |
Consolidated Rental Car Facility and Ground Transportation Center at Reno-Tahoe International Airport (RNO) Reno, Nev. 299.00 |
66 General Building 34 Transportation |
15.86 |
| 59/49 | Haskell Jacksonville, Fla. | haskell.com Jim O’Leary, Chairman & CEO |
96 191 117 |
Not Provided | 37 Manufacturing 26 Industrial Process 18 Telecommunications |
15.75 |
| 60/65 | Ayres Fort Collins, Colo. | AyresAssociates.com Anthony Alvarado, Vice President |
0 23 1 |
Rawlins Brownfield Environmental Site Assessments, Planning and Community Outreach Rawlins, Wyo. 0.49 |
41 Water Supply 27 Other Project Types 21 Transportation |
15.35 |
| 61/55 | GEI Consultants Inc. Wakefield, Mass. | geiconsultants.com Scott J. Wallington, CEO |
— — — |
Not Provided | 66 Water Supply 12 Transportation 8 Other Project Types |
15.33 |
| 62/— | Garver Englewood, Colo. | GarverUSA.com Colin Bible, Vice President |
— 20 1 |
Not Provided | 52 Transportation 26 Water Supply 12 Sewerage/Solid Waste |
14.75 |
| 63/62 | Burgess & Niple Inc. Phoenix | burgessniple.com Edwin Muccillo, Regional Director |
— 45 — |
Northern Parkway from Agua Fria to 103rd Avenue Peoria (Administered by Maricopa County DOT) Arizona 15.20 |
88 Transportation 6 Water Supply 3 Sewerage/Solid Waste |
14.71 |
| 64/— | Steelman Partners LLP Las Vegas | steelmanpartners.com Paul C. Steelman, CEO |
4 0 5 |
Not Provided | 100 General Building |
13.20 |
| 65/78 | Walter P Moore Denver | walterpmoore.com Bart Miller, Managing Director |
— 21 — |
Not Provided | 60 General Building 37 Industrial Process 2 Transportation |
13.05 |
| 66/76 | CannonDesign Denver | CannonDesign.com Tim Barr, Chicago Office Leader |
— — — |
GSA Building 48 Denver Not Provided |
Not Provided |
11.00 |
| 67/73 | Kennedy/Jenks Consultants Inc. Lakewood, Colo. | kennedyjenks.com Emily Hudish, Vice President |
0 29 0 |
Castle Pines North Filter Rehab Castle Pines, Colo. 3.50 |
56 Water Supply 30 Sewerage/Solid Waste 7 Transportation |
10.69 |
| 68/— | Reaveley Engineers Salt Lake City | reaveley.com Dorian Adams, President |
— 32 3 |
University of Utah West Valley Hospital West Valley City, Utah 500.00 |
87 General Building 8 Other Project Types 3 Transportation |
9.76 |
| 69/63 | Collins Engineers Inc. Denver | collinsengr.com Andy Mish, Senior Vice President, Division Manager |
— — — |
Not Provided | Not Provided |
9.52 |
| 70/83 | Plummer Associates Inc. Fort Worth | plummer.com Chris Young, CEO |
— — — |
Not Provided | 77 Water Supply 23 Telecommunications |
6.47 |
| 71/80 | EDA Architects Salt Lake City | edaarch.com Thomas Brennan, Principal |
5 — 3 |
Univ. of Utah Life Sciences Building Core & Shell TI Salt Lake City Not Provided |
100 General Building |
6.16 |
| 72/71 | JCJ Architecture Las Vegas | JCJ.com Michael Larson, Principal |
3 0 1 |
Not Provided | 100 General Building |
6.07 |
| 73/84 | Raba Kistner Inc. Midvale, Utah | rkci.com Clark D. Prothero, CEO |
— 7 — |
GRIC Design-Build Project Phoenix 410.00 |
97 Transportation 3 Manufacturing 1 General Building |
5.45 |
| 74/93 | The Beck Group Denver | beckgroup.com Matt Archuletta, Regional Director |
— — — |
Stride Geneva Denver 5.10 |
100 General Building |
5.20 |
| 75/89 | ECS Group of Companies Carrollton, Texas | ecslimited.com Mark Zortman, President |
1 5 0 |
Hub on Campus Tempe, Ariz. 0.58 |
49 General Building 40 Telecommunications 9 Power |
4.83 |
| 76/— | Buehler Tempe, Ariz. | buehlerengineering.com Tony Polusny, Principal |
— 13 — |
Not Provided | 54 General Building 46 Telecommunications |
4.23 |
| 77/82 | Shepley Bulfinch Phoenix | shepleybulfinch.com Angela Watson, President & CEO |
15 — 6 |
Northern Arizona University - Gabaldon Hall Renovations Flagstaff, Ariz. 3.00 |
100 General Building |
4.06 |
| 78/86 | PM Design Inc. Phoenix | pmdesign.com Roy Pedro, President & CEO |
1 — — |
Not Provided | 100 General Building |
3.64 |
| 79/— | OLC Architecture, Interiors and Aquatics Denver | olcdesigns.com Brian Beckler, Senior Principal |
3 — — |
Not Provided | Not Provided |
2.32 |
| 80/92 | Strand Associates Madison, Wis. | strand.com Matt Richards, President & CEO |
— — — |
Not Provided | 58 Water Supply 14 Other Project Types 10 Transportation |
2.19 |
| 81/91 | Johnson, Mirmiran & Thompson Inc. (JMT) Englewood, Colo. | jmt.com Gerard Baxter, Regional Manager |
— 5 — |
Not Provided | Not Provided |
1.80 |
| 82/— | Abstract Group Inc. Columbia, Md. | abstract.group Daniel Kebede, President |
3 — — |
Not Provided | 100 Transportation |
0.43 |
| 83/— | The Korte Co. Highland, Ill. | korteco.com Brent Korte, President & CEO |
— — — |
Not Provided | 100 General Building |
0.09 |
| *REVENUE WAS PROVIDED ON A FISCAL-YEAR BASIS. ALL OTHERS PROVIDED CALENDAR-YEAR DATA, WHICH IS PREFERRED. **MAY NOT ADD UP TO 100% DUE TO OMISSION OF OTHER MISCELLANEOUS MARKET CATEGORIES AND/OR ROUNDING. |
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