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We’re committed to exceeding client expectations, and it shows. SWCA is consistently ranked among the top environmental firms nationwide. Below are our most recent industry awards and other tokens of recognition.


Engineering News Record (ENR) Rankings

2021 Top 500 Design Firms:

  • Ranked #125 nationally

2021 Top 200 Environmental Firms:

  • Ranked #79 nationally
  • Ranked #19 nationally among purely environmental consulting firms

2021 Regional Top Design Firms:

  • Ranked #19 overall in the Southwest (Arizona, Nevada, and New Mexico)
  • Ranked #22 overall in the Mountain States region (Colorado, North Dakota, South Dakota, and Wyoming)
  • Ranked #30 overall in the Intermountain region (Idaho, Montana, and Utah)
  • Ranked #49 overall in Texas and Louisiana
  • Ranked #43 overall in California
  • Ranked #124 overall in the Mid-Atlantic region (Delaware, D.C., Maryland, Pennsylvania, Virginia, and West Virginia)
  • Ranked #55 overall in New England
  • Ranked #135 overall in the Southeast



SWCA won four 2022 Best Place to Work Awards from Comparably, the workplace culture platform that generates millions of anonymous employee ratings across 70,000 companies. Based on employee sentiment collected from March 2021 through March 2022, SWCA received these four awards:


2022 Lifetime Achievement Award and Earth Science Pioneer Award

The Environmental Business Journal has named SWCA founder, Dr. Steven W. Carothers, as a 2022 Lifetime Achievement Award and Earth Science Pioneer Award recipient. These two awards recognize Dr. Steven W. Carothers’ contributions to the environmental industry. 


Zweig Group 2021 Marketing Excellence Award Winner2021 Zweig group marketing excellence award

SWCA was awarded first place in the Zweig Group’s 2021 Marketing Excellence Awards in the Recruitment/Retention category in recognition of the SWCA Career Landscape, an innovative career development program designed to help employees chart their unique paths for rewarding careers at SWCA.


2020 EBJ Business achievement awardS

SWCA was awarded two 2020 Environmental Business Journal (EBJ) Business Achievement Awards. SWCA earned the award for COVID Resilience: Record Sales and Key Initiatives for sustained growth in the face of a global crisis and the COVID Response: People First for taking a people-first approach to the pandemic.


2020 SMPS Marketing Communication Award

SWCA’s client newsletter, The Wire, received a 2020 Marketing Communication Award in the external newsletter - mixed media category from the Society for Marketing Professional Services.


2020 Zweig Group Hot Firm Award

SWCA is ranked #15 on the Zweig Group’s 2020 Hot Firm list. The list, which honors the fastest-growing firms in the AEC industry, is based on three-year growth in revenue, by both percentage and dollar growth.


    2020 Burton Award

    SWCA employees co-authored a legal paper titled “NEPA Streamlining Yet Again: Will the Diet Work This Time?” published in Natural Resources & Environment. The article earned the authors a Distinguished Legal Writing Award from The Burton Awards program.


    2019 EBJ Business achievement award

    SWCA earned the gold award for mid-size firms for outstanding business achievement for opening offices on both the east and west coasts, contributing to continued growth in company size and revenue.


    2019 Transportation Project of the Year Award

    SWCA Environmental Consultants was awarded the California Transportation Foundation’s (CTF) Project of the Year Award for the San Gabriel Railroad Trench Grade Separation—Alameda Corridor East. The CTF Transportation Awards recognize excellence in California transportation in 2018, all modes, public and private sector, and from all regions of the state.


    2018 California Preservation Award - Los Angeles Conservancy

    A project to update a California city’s historic preservation ordinance, managed and supported by SWCA’s Pasadena staff, has been recognized as among the best of its type with the Los Angeles Conservancy’s prestigious 2018 Preservation Award. 


    2018 California Preservation Design Award - CTF

    The City of San Gabriel Historic Preservation and Cultural Resources Ordinance Update is the winner of a 2018 Preservation Design Award by the California Transportation Foundation. Award recipients are selected by a jury of top professionals in the fields of architecture, engineering, planning, and history, as well as renowned architecture critics and journalists.


    2017 Best Interactive Web Mapping Application

    SWCA along with the Utah Division of Forestry, Fire and State Lands (FFSL) won “Best Interactive Web Mapping Application” at the 2017 UGIC Conference for the Jordan River Comprehensive Management Plan Story Map.


    2016 Historic Preservation Award

    The SWCA project team responsible for discovering human footprints that date back 2,500 to 3,000 years at a road-construction site just north of Tucson, Arizona, received a preservation award from the Tucson Historic Preservation Foundation. The awards ceremony honored individuals and organizations that have made a significant contribution to historic preservation in Tucson and Pima County.


    2016 Governor’s Heritage Award

    The SWCA project team responsible for completing the Trans-Canyon Water Line Documentation Project received a 2016 Governor’s Heritage Preservation Honor Award at the Arizona Historic Preservation Conference in Phoenix. The award, presented by the Arizona Preservation Foundation and the Arizona State Historic Preservation Office, recognizes people, organizations, and projects that represent outstanding achievements in preserving Arizona’s prehistoric and historic resources.


    Premier Award for Client Satisfaction - PSMJ Resources, Inc.

    SWCA received a 2015 PSMJ Premier Award for Client Satisfaction in the honorable mention category. Presented in partnership with the Client Feedback Tool, the 6th Annual Premier Awards honor architecture, engineering, and construction firms that provide their clients with top-quality communications, impressive performance, and cost-effective solutions.


    Marketing Award - Society for Marketing Professional Services

    SWCA’s client newsletter, The Wire, received a first-place 2014 Marketing Communication Award in the external newsletter category from the Society for Marketing Professional Services at the national level and at the Arizona Chapter level.


    Los Angeles Architectural Award of Excellence

    SWCA received a 2014 Award of Excellence from the Los Angeles Business Council for our work on the Tongva Park and Ken Genser Square project in Santa Monica. SWCA was part of the team recognized with a Los Angeles Architectural Award in the category of landscape architecture and public open space. 


    San Gabriel Martin E. Weil Award

    The City of San Gabriel presented the 2013 San Gabriel Martin E. Weil Award for historic preservation and conservation to the ACE San Gabriel Millrace Relocation project. The city also presented a certificate of congratulations to John Dietler, SWCA’s Pasadena-based Cultural Resources Program Director, for his role in the project.


    Teddy Roosevelt Conservation Award

    The city of New Braunfels, Texas, bestowed upon SWCA the 2013 Teddy Roosevelt Conservation Award. The award recognizes a citizen or group that advocates studying, teaching, documenting, and preserving the natural resources in New Braunfels. SWCA received the award for turtle research in Comal Springs led by Houston ecologist and herpetologist Eric Munscher. The volunteer turtle surveyors have logged more than 1,800 hours since the project began in 2011.



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