Award-Winning

Best Firm to Work For
Zweig Group

#96: Top 500 Design Firms
Engineering News-Record

Employer of the Year
WTS Arkansas Chapter

#24: Hot Firms List
Zweig Group

Dallas Love Field Exterior Lighting Project
Gold Award, American Council of Engineering Companies of Texas

Markham Street Jump Start Improvement Project
Transportation Category Winner, American Council of Engineering Companies of Arkansas

Lake Thunderbird IPR Pilot Program
Grand Conceptor, American Council of Engineering Companies of Oklahoma

Best Firm to Work For
Zweig Group

Employer of the Year
WTS Oklahoma Chapter

Employer of the Year
WTS Mississippi Chapter

#17: Hot Firms List
Zweig Group

Healthiest Workplaces in America
Healthiest Employers

“Beyond the Design” Advertising Campaign
Advertising-Mixed Media Category Winner, Society for Marketing Professional Services (SMPS)

“Behind-the-Scenes Operators” Initiative
Promotional Campaign-Mixed Media Category Winner, Society for Marketing Professional Services (SMPS)

#102: Top 500 Design Firms
Engineering News-Record

#14: Top Design Firms
Engineering News-Record Texas & Louisiana

#14: Top Aviation Design Firms
Engineering News-Record

#120: Top Environmental Firms
Engineering News-Record

Pathway to Hope Project
National Honor Award, American Council of Engineering

US-90 Safety & Construction Design
Grand Award, American Council of Engineering Companies of Mississippi

US-90 Safety & Construction Design
People’s Choice Award, American Council of Engineering Companies of Mississippi

Northwest Arkansas Conservation Authority Regional Wastewater Treatment Plant Conceptual Engineering Report
Studies, Research, and Consulting Engineering Services Large Category Winner, American Council of Engineering Companies of Arkansas

Bill and Hillary Clinton National Airport (LIT) NAVAID Improvements Project
Building/Technology Systems Category Winner, American Council of Engineering Companies of Arkansas

Little Rock Port Authority Growth Initiative
Transportation Category Winner, American Council of Engineering Companies of Arkansas

Best Firm to Work For
Zweig Group

Employer of the Year
WTS Heart of Texas Chapter

Top 50 Trenchless Engineering Firms
Trenchless Technology Magazine

#125: Top 200 Environmental Firms
Engineering News-Record

#18: Top Aviation Design Firm
Engineering News-Record

#16: Top Design Firm
Engineering News-Record Texas & Louisiana

#106: Top 500 Design Firms
Engineering News-Record

Georgetown Municipal Airport Runway 18-36
Texas Quality Asphalt Pavement Awards: 2021 TXAPA Quality Asphalt Pavement Award in Runway Category

Taxiway B Reconstruction Project at Northwest Arkansas National Airport
ACEC of Arkansas Grand Conceptor Award

South Dixieland Road Extension
Arkansas Chapter of Associated Builders and Contractors, Inc. Excellence in Construction for Infrastructure Award

Taxiway B Reconstruction Project at Northwest Arkansas National Airport
Arkansas Chapter of Associated Builders and Contractors, Inc. Excellence in Construction for Infrastructure Award

Broadway Bridge
American Institute of Steel Construction’s National Steel Bridge Alliance Merit Award for Major Spans

2020 Design Firm of the Year
Engineering News-Record Texas & Louisiana

2020 Business of the Year
Arkansas Business

Cantrell Field Access
ACEC of Arkansas Grand Conceptor Award
ACEC of Arkansas Engineering Excellence Award in Transportation

Springdale WRF Peak Flow Study
ACEC of Arkansas Engineering Excellence Award in Studies, Research, and Consulting Engineering Services

LIT ARFF/Vault Generator Upgrades
ACEC of Arkansas Engineering Excellence Award in Building/Technology Systems

Dave Ward Drive Pedestrian Bridge
ACEC of Arkansas Engineering Excellence Award in Structural Systems

Kaw Lake Water Supply Surveying
ACEC of Arkansas Engineering Excellence Award in Surveying & Mapping Technology (Large Project)

CAW Pump Station 1A Rehabilitation
ACEC of Arkansas Engineering Excellence Honor Award in Water and Wastewater

LIT Taxiways A & B Rehabilitation
ACEC of Arkansas Engineering Excellence Honor Award in Transportation

ARARNG Statewide ATFP Improvements
ACEC of Arkansas Engineering Excellence Honor Award in Special Projects

Bryant Parkway – Highway 5 to Hilldale Road
ACEC of Arkansas Engineering Excellence Honor Award in Small Projects

US-77 Bridge over the Canadian River and BNSF Railroad
ACEC of Oklahoma Engineering Excellence Honor Award

Miami Airfield Electrical Upgrades
ACEC of Oklahoma Engineering Excellence Honor Award

Hazardous Waste & Spill Response Training
ACEC of Oklahoma Engineering Excellence Honor Award

Claremore Runway and Taxiway Rehabilitation
ACEC of Oklahoma Engineering Excellence Honor Award

Del City Wastewater Treatment Plant Improvements
ACEC of Oklahoma Engineering Excellence Honor Award

New Secure Computing Facility at the ERDC
ACEC of Mississippi Engineering Excellence Honor Award

Traffic Flow Charrette at the ERDC
ACEC of Mississippi Engineering Excellence Honor Award

Dean's Trail
Associated Builders and Contractors, Inc., Arkansas Chapter 2020 Excellence in Construction for Infrastructure

Rupple Road Widening and Relocation
Associated Builders and Contractors, Inc., Arkansas Chapter 2020 Excellence in Construction for Infrastructure

2019 Best Firm to Work For
Zweig Group

2019 Hot Firm List
Zweig Group

Top 500 Design Firms Nationwide
Engineering News-Record

Top Design Firms in Texas & Louisiana Region
Engineering News-Record

LED High Intensity Runway Lighting
ACEC of Arkansas Engineering Excellence Award in Building/Technology Systems IESALC General Aviation Award

HCR Dam Investigation & Repairs
ACEC of Arkansas Engineering Excellence Award in Water Resources

PCF Solids Handling
ACEC of Arkansas Engineering Excellence Honor Award in Studies, Research, and Consulting Engineering Services

ARDOT Tourist Information Centers
ACEC of Arkansas Engineering Excellence Honor Award in Structural Systems

U.S. 412 Springdale Northern Bypass
ACEC of Arkansas Engineering Excellence Honor Award in Transportation

Norman Water Reclamation Facility Phase 2 Upgrades
ACEC of Oklahoma Engineering Excellence Honor Award
National Recognition Award, American Council of Engineering Companies

Fort Sill Low-Water Crossing
ACEC of Oklahoma Engineering Excellence Finalist Award

Celina Booster Pump Stations
ACEC of Texas Engineering Excellence Silver Medal

U.S. 51 over the Coldwater River
ACEC of Mississippi Grand Award

Camp Gruber Fire and Emergency Services Report
ACEC of Oklahoma Engineering Excellence Award in Studies, Research, and Consulting Engineering Services

2018 Best Firm to Work For
Zweig Group

Top 500 Design Firms Nationwide
Engineering News-Record

Solar Photovoltaic Feasibility Studies, Military Department of Arkansas – Arkansas National Guard
ACEC of Arkansas Engineering Excellence Award in Studies, Research and Consulting Engineering Services

Electrical Vaults Rehabilitation, Bill and Hillary Clinton National Airport
ACEC of Arkansas Engineering Excellence Award in Building/Technology Systems

Broadway Bridge Replacement Project
ACEC of Arkansas Grand Conceptor Award
ACEC of Arkansas Engineering Excellence Award in Structural Systems

Adaptive Disinfection with PAA
ACEC of Arkansas Engineering Excellence Award in Water and Wastewater

Highway 286 widening and interchange
ACEC of Arkansas Engineering Excellence Award in Transportation

Springdale Water Utilities WWTF generator improvements
ACEC of Arkansas Engineering Excellence Award in Energy

Helena Wastewater Treatment Plant Design Improvements
ACEC of Alabama Grand Award

Killeen-Fort Hood Regional Airport ARAC
ACEC of Texas Engineering Excellence Awards Gold Medal in Building and Technology Systems

Runway 13-31 Rehabilitation, Strother Field, Cowley County, Kansas
ACEC of Kansas Engineering Excellence Award in Transportation-Airports

Runway 2-20 Rehabilitation, Rogers Executive Airport, Rogers, Arkansas
National Asphalt Pavement Association Ray Brown Airport Pavement Award

I-244 Multimodal Bridges over the Arkansas River, Tulsa County, Oklahoma
ACEC of Oklahoma Engineering Excellence Award

Tuscumbia Water Softening and Supply Improvements, Tuscumbia Water Treatment Plant
2018 Alabama Engineering Hall of Fame inductee

CRWS Master Plan and Modeling Project, Trinity River Authority of Texas
ACEC of Texas Gold Medal Engineering Excellence Awards in Studies, Research, and Services

2017 Hot Firm List
Zweig Group

2017 Best Firm to Work For
Zweig Group

Top 500 Design Firms Nationwide
Engineering News-Record

Top 25 Aviation Design Firms
Engineering News-Record

Top Design Firms in Texas & Louisiana Region
Engineering News-Record

WELCOA Gold Well Workplace
Wellness Council of America

North Little Rock Airport Lighting System, North Little Rock Municipal Airport
ACEC of Arkansas Engineering Excellence Award Winner in Building/Technology Systems

Russellville City Corporation Water Treatment Plant Filter Gallery Coatings, Russellville City Corporations
ACEC of Arkansas Engineering Excellence Award Winner in Special Projects

Canine Training Academy Design, Lackland Air Force Base
DBIA National Award of Excellence in Educational Facilities Category
DBIA National Award of Merit in Educational Facilities Category

Walk Bike Drive Bryant, City of Bryant
ACEC of Arkansas Engineering Excellence Award Winner in Studies, Research and Consulting Engineering Services

2016 Hot Firm List
Zweig Group

2016 Best Firm to Work For
Zweig Group

Top 500 Design Firms Nationwide
Engineering News-Record

Training Center For TSA National Explosives Detection Canine Training Program, U.S. Corps of Engineers
ACEC of Texas Silver Medal Winner in Structural Systems

Grace Creek Wastewater Treatment Plant Solids Improvements, City of Longview, Texas
ACEC of Texas Silver Medal Winner in Water and Wastewater

Belton Lake Recreation Area WWTP Energy Reduction Project, American Water Enterprises and Garney Companies
ACEC of Texas Gold Medal Winner in Energy

Spring Street Parking Deck, City of Fayetteville, Arkansas
ACEC of Arkansas Engineering Excellence Award Winner in Structural Systems

Frisco Multi-Use Trail, City of Fayetteville, Arkansas
ACEC of Arkansas Engineering Excellence Award Winner in Transportation

Bill and Hillary Clinton National Airport Generator System, Little Rock, Arkansas
ACEC of Arkansas Engineering Excellence Award Winner in Building/Technology Systems

Conway Wastewater Improvements, Conway, Arkansas
ACEC of Arkansas Engineering Excellence Honor Award in Water Resources

SWU Water and Wastewater Master Plan, Springdale Arkansas
ACEC of Arkansas Engineering Excellence Honor Award in Water Resources

City of Colleyville's Water and Wastewater Master Plan, Colleyville, Texas
ACEC of Texas Engineering Excellence Award in Water Resources

M. Graham Clark Airport Runway Lighting Rehabilitation, Hollister, Missouri
ACEC of Missouri Engineering Excellence Award in Small Projects

2015 Hot Firm List
Zweig Group

2015 Best Firm to Work For
Zweig Group

23rd Street Lift Station, Russellville, Arkansas
ACEC of Arkansas Engineering Excellence in Water and Wastewater (Small Projects)

Don Tyson Parkway Interchange, Springdale, Arkansas
ACEC of Arkansas Engineering Excellence Award in Transportation

Don Tyson Parkway Interchange, Springdale, Arkansas
AASHTO Best Use of Innovation

Conway Municipal Airport at Cantrell Field, Conway, Arkansas
Southeast Chapter of the American Association of Airport Executives Project of the Year

2015 Exemplary Employer Award
Water Environment Association of Texas (WEAT)

Accelerated Bridge Construction, Cottonwood Creek in Creek County, Oklahoma.
ACEC of Oklahoma Engineering Excellence Award in Transportation

Top 500 Design Firms Nationwide
Engineering News-Record

2014 Best Firm to Work For
Zweig Group

2014 Hot Firm List
Zweig Group

Taxiway Kilo Reconstruction project at Nashville International Airport
ACEC Tennessee Engineering Excellence Award
Southeast Chapter of the American Association of Airport Executives Commercial Service Airport Project of the Year — Airside.

Top 500 Design Firms Nationwide
Engineering News-Record

Auburn University Airport Taxiway Extension, Auburn, Alabama
ACEC of Alabama Engineering Excellence Award in Transportation

Bill and Hillary Clinton National Airport Aircraft Rescue and Firefighters (ARFF) Communications Upgrade, Little Rock, Arkansas
ACEC of Arkansas Engineering Excellence Award in Transportation

Oklahoma River Race Course Lighting, Oklahoma City, Oklahoma
ACEC of Oklahoma Engineering Excellence Award in Special Projects
International Award of Merit for Lighting Control Innovation

Falls Creek Water Treatment, Davis, Oklahoma
ACEC of Oklahoma Engineering Excellence Award in Water Resources

2013 Best of the Biz
Arkansas Business

Northwest Arkansas Regional Airport Electrical Study, Bentonville, Arkansas
ACEC of Arkansas Engineering Excellence Award in Studies, Research, and Consulting Engineering Services

Bill and Hillary Clinton National Airport Underground Utility Relocations, Little Rock, Arkansas
ACEC of Arkansas Engineering Excellence Award in Building/Technology Systems

Big Spring Series UF/NF Membrane WTP, Tuscumbia, Alabama
ACEC of Alabama Grand Conceptor Award

Henry County Airport Parallel Taxiway Relocation, Paris, Tennessee
ACEC of Tennessee Engineering Excellence Honor Award in Transportation

Central Arkansas' Top Workplaces
Arkansas Democrat-Gazette

Tinker Air Force Base Visitor Center, Midwest City, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Building/Technology Systems

Inner Dispersal Loop I-244, Tulsa, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Transportation

Norfork Dam Bulkhead and Siphon, Baxter County, Arkansas
ASCE/Arkansas Outstanding Engineering Design of the Year

Top 25 Road and Highway Design Firm
Roads & Bridges Magazine Go-To List

Top 25 Bridge Design Firm
Roads & Bridges Magazine Go-To List

Top 500 Design Firms Nationwide
Engineering News-Record

Work-Life Balance Spotlight Award
Arkansas Governor's Work-Life Initiative

Two Rivers Bridge, Pulaski County, Arkansas
ACEC of Arkansas Engineering Excellence Award in Structural Systems
ACEC of Arkansas People's Choice Award

Wastewater Treatment Plant Design, Siloam Springs, Arkansas
ACEC of Arkansas Engineering Excellence Award in Water and Wastewater

State Highway 51 over the Verdigris River, Wagoner, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Structural Systems

U.S. 169 Widening and Resurfacing, Tulsa County, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Transportation
APWA Oklahoma Chapter Transportation Project of the Year

WWTP Biological Nutrient Removal Upgrade and Expansion, Claremore, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Environmental
APWA Oklahoma Chapter Environment Project of the Year

Municipal Airport LED Runway Lights, Hollis, Oklahoma
ACEC of Oklahoma Engineering Excellence Honor Award in Energy