WHO WE ARE

ABOUT US

All Within Our Name

ARDURRA:
DILIGENT, RESPONSIBLE (Basque)
SUPERIOR (Gaelic)

Ardurra embodies these qualities and its name literally translates into each characteristic — all of which are ideal in a partner. We are a growing assembly of experts, engineers, and design professionals delivering a unique balance of experience and innovation.

We build strong partnerships through our unwavering commitment to deliver quality services and practical solutions that exceed our clients’ expectations, improve our communities, and respect the environment.

GUIDING
PRINCIPLES

f_icon-1-smallCOLLABORATE

A partnership of diverse professionals and clients working together to achieve common goals. As a thriving employee-centric organization, we instill a true sense of family that extends to our clients and communities.

icon-2INNOVATE

Problem solvers harnessing technology, creativity, and proven concepts to deliver inspired results. We leverage the full extent of our collective talent to create unique solutions grounded in experience.

icon-3CREATE

Strategic thinkers delivering value. We provide challenging opportunities to solve complex challenges in an environment that fosters success for each stakeholder—employees, clients, and the community.

new
think-big

MENTALITY

We are Ardurra. Through our unbounded and unconstrained thinking, we challenge the ordinary and challenge each other to THINK BIG.

Our “Think Big” mindset drives our intentional and strategic growth, and our approach is getting noticed. “We set out to build and expand as a culture-focused firm that provides growth opportunities for our employees and exceptional service to our clients,” says CEO Ernesto Aguilar.

This mindset has enabled us to grow at an unprecedented rate, ranking #84 on the Engineering News-Record (ENR) Top 500 Firms in seven years years, all while preserving our unique people-centric culture. This is just the beginning of something special. As we grow, we will continue striving to accomplish our goals and maintain our status as a Premier U.S. Engineering Firm that makes a profound, positive impact on our nation’s infrastructure while expanding and strengthening our people-centric culture.

We are building something special here with “Think Big” as the heartbeat of our culture. At Ardurra, Something Big is Happening...join us on our journey!

Think like Ardurra - Think Big!

CELEBRATING OUR ACHIEVEMENTS

We made the lists!

ARDURRA IS PROUD TO BE LISTED IN OUR INDUSTRY'S TOP AWARD LISTS!

Our CEO, Ernesto Aguilar, in an interview on the success of our growing company stated, "We set out to build and grow a culture-focused firm with the driving philosophy centered around providing opportunities for our employees and exceptional service to our clients."

#75

2025 ENR Top 500 Design Firm

#5

2024 Zweig Hot Firm

#147

2024 ENR Top 150 Global Design Firms

#36

2024 Zweig Best Firms to Work For

#62

2025 ENR Top Pure Design Firms

2024 ENR Sourcebook rankings

#19 in Water Supply
#10 in Wastewater Treatment Plants
#14 in Sewer & Waste
#13 in Water Transmission Lines & Aqueducts
#11 in Water Treatment & Desalination
#19 in Sanitary & Storm Sewers

OUR HISTORY

Ardurra's timeline and family of firms date back to 1929.

3
OFFICES
building_2017pre Cropped
PRE 2017
people_pre2017
100
EMPLOYEES
11
OFFICES
building_2017 Cropped
2017
people_2017
230
EMPLOYEES
15
OFFICES
building_2018 Cropped
2018
people_2018
335
EMPLOYEES
16
OFFICES
building_2019 Cropped
2019
people_2019
431
EMPLOYEES
31
OFFICES
building_2020 Cropped
2020
people_2020-2025-1
516
EMPLOYEES
46
OFFICES
building_2021 Cropped
2021
people_2020-2025-1
865
EMPLOYEES
70
OFFICES
building_2022 Cropped
2022
people_2020-2025-1
1,230
EMPLOYEES
74
OFFICES
building_2023 Cropped
2023
people_2020-2025-1
1,375
EMPLOYEES
85+
OFFICES
building_2024-2025
2024
people_2020-2025-1
1,750
EMPLOYEES
85+
OFFICES
building_2024-2025
2025
people_2020-2025-1
1,750
EMPLOYEES

PRE 2017

  • 3

    OFFICES
    E

  • 100

    EMPLOYEES
    E

KEY MILESTONES

ArrowKing Engineering Associates (Est 1977)

2017

  • 11

    OFFICES
    E

  • 230

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired Ardurra Group, LLC (Est 2015)

ArrowAcquired Criser Troutman Tanner Consulting Engineers (Est 1950)

ArrowAcquired Stouten Cramer, Inc. (Est 2011)

2018

  • 15

    OFFICES
    E

  • 335

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired E Co Consultants (Est 2007)

ArrowAcquired AndersonPenna Partners, Inc. (Est 2005)

ArrowAcquired PCA Global, Inc. (Est 2014)

AWARDS

  • #396
    ENR Top 500 Design Firms
  • #4
    Zweig Group Hot Firm

2019

  • 16

    OFFICES
    E

  • 431

    EMPLOYEES
    E

KEY MILESTONES

ArrowRebranded to Ardurra Group, Inc.

ArrowAcquired Design South Professionals, Inc. (Est 1950)

AWARDS

  • #272
    ENR Top 500 Design Firms
  • #34
    Zweig Group Best Firms To Work For
  • #5
    Zweig Group Hot Firm

2020

  • 31

    OFFICES
    E

  • 516

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired LNV, Inc. (Est 2000)

ArrowAcquired Constantine Engineering (Est 2002)

ArrowAcquired Pigeon-Roberts & Associates, Inc. (Est 2005)

AWARDS

  • #263
    ENR Top 500 Design Firms
  • #23
    Zweig Group Best Firms To Work For
  • #8
    Zweig Group Hot Firm

2021

  • 46

    OFFICES
    E

  • 865

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired Infrastructure Engineering Corporation (Est 2002)

ArrowAcquired Fulghum Macindoe & Associates, Inc. (Est 2003)

ArrowAcquired Ritoch-Powell & Associates, Inc. (Est 1978)

ArrowAcquired Giuliani & Kull, Inc. (Est 1987)

ArrowAcquired Gunda Corporation (Est 2001)

ArrowAcquired Milam Surveying

ArrowAcquired Pevida Highway Designers, LLC (Est 2016)

AWARDS

  • #190
    ENR Top 500 Design Firms
  • #28
    Zweig Group Best Firms To Work For
  • #15
    Zweig Group Hot Firm

2022

  • 70

    OFFICES
    E

  • 1,230

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired ZEL Engineers (Est 1946)

ArrowAcquired Woodson Engineering & Surveying, Inc. (Est 1994)

ArrowAcquired 300 Engineering Group (Est 2006)

ArrowAcquired T-O Engineers (Est 1984)

ArrowAcquired Shephard Wesnitzer, Inc. (Est 1990)

AWARDS

  • #114
    ENR Top 500 Design Firms
  • #94
    ENR Top Pure Design Firms
  • #24
    Zweig Group Best Firms To Work For
  • #4
    Zweig Group Hot Firm

2023

  • 74

    OFFICES
    E

  • 1,375

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired Inwood Consulting Engineers (Est 1995)

ArrowAcquired Arredondo Zepeda & Brunz Inc. (Est 1981)

AWARDS

  • #89
    ENR Top 500 Design Firms
  • #71
    ENR Top Pure Design Firms
  • #34
    Zweig Group Best Firms To Work For
  • #4
    Zweig Group Hot Firms

2024

  • 85+

    OFFICES
    E

  • 1,750

    EMPLOYEES
    E

KEY MILESTONES

ArrowAcquired WK Dickson (Est 1929)

AWARDS

  • #84
    ENR Top 500 Design Firms
  • #147
    ENR Top 150 Global Design Firms
  • #69
    ENR Top Pure Design Firms
  • #36
    Zweig Group Best Firms To Work For
  • #5
    Zweig Group Hot Firm

2025

  • 85+

    OFFICES
    E

  • 1,750

    EMPLOYEES
    E

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LEGAL NOTICE & PRIVACY POLICY