About Us
EMPLOYEES NATIONWIDE
Offices
Ardurra is a fast-growing national engineering and consulting firm built on entrepreneurial thinking, people-first leadership, and a commitment to creating lasting impact in the communities we serve. Since forming in 2017, we’ve grown from 100 employees to more than 2,600 across more than 120 offices nationwide.
Our Vision, Mission & Values
Vision
To be a client- and employee-centric firm as ambitious as the people who shape it.
Vision
Mission
We’re a different kind of engineering and consulting firm—built on entrepreneurial thinking and driven by partnerships, where people are empowered to create innovative solutions that shape the future
Mission
Values
Client
Driven
Uniquely
Nimble
Low
Bureaucracy
Team
Collaboration
Unlimited
Opportunities
Relationship
Focused
Entrepreneurial
Spirit
Values
Title
All Within Our Name
ARDURRA:
Diligent, Responsible (Basque)
Superior (Gaelic)
Our name says it best: diligent and responsible in Basque, superior in Gaelic. Those are exactly the qualities you want in a partner, and they're what we bring to every relationship. We're a national team of engineers, designers, and technical professionals who combine deep experience with fresh thinking. The result is strong partnerships built on quality work, practical solutions, and a genuine respect for the communities and environments we serve.
Impact & Recognition
Ardurra has been recognized nationally for both growth and workplace excellence, including:
TOP FIRM LISTS
#48 Top 500 Design Firm
#129 Top 150 Global Design Firm
#39 Top Pure Design Firm
#70 Top 200 Environmental Firm
INDUSTRY RANKINGS
#11 Water Supply
#10 Wastewater Treatment Plants
#11 Sewer & Waste
#15 Water Transmission Lines & Aqueducts
#10 Water Treatment & Desalination
#12 Sanitary & Storm Sewers
FAST COMPANY
Best Workplaces For
Innovators 2025
MORRISSEY GOODALE
Excellence In Acquisitive
Growth Award Recipient

Our Story
Ardurra was officially formed in 2017 with a simple idea sketched on a napkin: build a different, people-centered engineering firm that brings together exceptional expertise, strong client partnerships, and an entrepreneurial approach to solving community challenges.
Years
Our Journey Begins
We launched Ardurra Group Inc. with a vision for excellence in infrastructure solutions. In our first year, we grew from 100 to 230 employees across 11 offices, expanding our capabilities through strategic partnerships that strengthened water services, structural engineering, and surveying
At a Glance
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230 employees | 11 Offices
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Capabilities expanded across water,
structural, and surveying
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Acquired King Engineering Associates, Ardurra Group LLC, Criser Troutman Tanner Consulting Engineers, Stouten Cramer Inc
Momentum Takes Shape
A breakthrough year marked by rapid growth and national recognition. We expanded to 327 employees across 15 offices, established a West Coast presence, and debuted at #396 on the ENR Top 500 Design Firms while earning #4 on the Zweig Group Hot Firm List.
At a Glance
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327 employees | 15 offices
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California market entry
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ENR Top 500 debut (#396)
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Zweig Hot Firm (#4)
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Acquired E Co Consultants, AndersonPenna Partners Inc, PCA Global Inc
One Team, One Identity
Rebranding as Ardurra unified our growing organization under a single name and shared purpose. With 345 employees across 16 offices, we reinforced our people-first culture and debuted on Zweig’s Best Firms to Work For list — a milestone that reflected both growth and cohesion.
At a Glance
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345 employees | 16 offices
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Brand unification under Ardurra
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ENR Top 500 (#272)
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Zweig Best Firms to Work For Debut (#34)
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Acquired Design South Professionals Inc
Resilience & Expansion
In a year defined by disruption, Ardurra demonstrated resilience and adaptability. We accelerated growth while expanding core infrastructure services across the Southeast and Texas.
At a Glance
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516 employees | 31 offices
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New Dallas location
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ENR Top 500 (#263)
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Top 40 ENR Environment rankings
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Zweig Hot Firm (#8)
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Acquired LNV Inc, Constantine Engineering, Pigeon-Roberts & Associates
Transformative Growth
This year marked a step change in scale. We broadened our national footprint and deepened specialization across water, transportation, public works, and surveying.
At a Glance
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865 employees | 46 offices
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New markets across CA, AZ, OK, TN, and PR
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ENR Top 500 (#190)
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Zweig Hot Firm (#15)
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Acquired Infrastructure Engineering Corporation, Fulghum Macindoe & Associates, Ritoch-Powell & Associates, Giuliani & Kull Inc, Gunda Corporation, Milam Surveying, Pevida Highway Designers
Broadening Reach & Expertise
Ardurra became a truly national firm. Strategic growth expanded our reach across the West and Mountain regions while strengthening aviation, transportation, and water expertise.
At a Glance
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1,220 employees | 70 offices
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Multi-state western expansion
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ENR Top 500 (#114)
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Top 25 ENR Environment rankings
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Zweig Hot Firm (#4)
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Acquired ZEL Engineers, Woodson Engineering & Surveying, 300 Engineering Group, T-O Engineers, Shephard Wesnitzer Inc
Accelerating Impact
With scale came increased influence. We continued climbing national rankings while expanding high-impact infrastructure services across key growth markets.
At a Glance
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1,450 employees | 77 offices
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ENR Top 500 (#89)
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ENR Top 200 Environmental Firms debut (#85)
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Zweig Hot Firm (#4)
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Acquired Inwood Consulting Engineers, Arrendondo Zepeda & Brunz
Reaching New Heights
Strategic growth and global recognition defined the year. We expanded our Southeast presence, opened a new headquarters in Miami, and reached new levels of industry distinction.
At a Glance
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1,750 employees | 85+ offices
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New Miami headquarters
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ENR Top 500 (#84)
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ENR Global Design Firms (#147)
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Zweig Hot Firm (#5)
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Acquired WK Dickson
A New Era
Ardurra entered its next chapter with unmatched momentum. Strategic partnerships expanded our capabilities nationwide, while innovation, culture, and leadership earned top-tier recognition.
At a Glance
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2,100+ employees | 100+ offices
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ENR Top 500 (#75)
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ENR Environmental Firms (#70)
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Named a Most Innovative Company by Fast Company
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M&A Best Practices Award – Morrissey Goodale
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Named a Best Company to Work For by Newsweek
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Acquired Cannon & Cannon Inc, Janus Research Inc, J.R. Wauford, Perteet Inc, MKN & Associates
Expanding Our National Reach
Ardurra’s momentum continues as we surpass 2,600 employees and 120 offices nationwide. With the establishment of a presence in the Northeast, we further strengthen our national footprint while continuing to grow both organically and through strategic partnerships.
At a Glance
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2,600+ employees | 120+ offices
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Established presence in the Northeast region
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ENR Environmental Firms (#70)
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Acquired Remington & Vernick Engineers, Kelly Engineers