Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders
Service: Land DevelopmentService: Site Drainage and Grading PlansIndustry: InfrastructureType: Civil Engineering+50 more

3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects
Service: Civil EngineeringService: Residential and Commercial Site DevelopmentIndustry: CommercialType: Civil Engineering+30 more

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employees
Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationIndustry: Renewable EnergyType: Owner's Engineer+24 more

A&F Engineering

Indianapolis, IN

Distinguished Transportation & Site Engineering

WebsitePhone1 office1 leaders
Service: Traffic EngineeringService: Traffic Impact StudiesIndustry: TransportationType: Transportation Engineering+17 more

A&R Engineering

Marietta, GA

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.

WebsitePhone1 officeUpdated Jun 2026
Service: Traffic StudiesService: Traffic Impact StudiesIndustry: TransportationType: Civil Engineering+24 more

A&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leaders
Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionIndustry: GovernmentType: Civil Engineering+15 more

A.D.A. Engineering, Inc.

Doral, FL

Applying the Latest Technology

WebsitePhone2 offices1 credentials
Service: Civil EngineeringService: Land/Site DevelopmentIndustry: WastewaterType: Civil Engineering+42 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignIndustry: CommercialType: Civil Engineering+40 more

ACL, Inc.

Engineering for an Integrated World

Website1 projects3 leadersFounded 2015
Service: Roadway EngineeringService: Conceptual Planning and Preliminary DesignIndustry: TransportationType: Transportation Engineering+25 more

ADO Engineering, Inc.

South Elgin, IL

Specialized electrical engineering for aviation, transportation, and facilities projects

WebsitePhone1 officeFounded 2011
Service: Electrical Systems DesignService: Facility Electrical EngineeringIndustry: AviationType: Electrical Engineering+11 more

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects
Service: Transportation PlanningService: Formulates Long-term StrategiesIndustry: Highways & RoadsType: Civil Engineering+18 more

AIM Engineering & Surveying, Inc.

Fort Myers, FL

Innovative Engineering Solutions Since 1980

WebsitePhone5 offices8 projects
Service: Transportation Engineering & DesignService: RoadwaysIndustry: TransportationType: Transportation Engineering+35 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996
Service: Civil EngineeringService: Site Design & GradingIndustry: InfrastructureType: Civil Engineering+37 more

AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projects
Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationIndustry: AerospaceType: Aerospace Engineering+30 more

ASA Engineering & Consulting, Inc.

Chattanooga, TN

From concept to close-out.

WebsitePhone1 office9 projects
Service: Civil Engineering & Site DesignService: Site Layout, Grading & DrainageIndustry: Land DevelopmentType: Civil Engineering+47 more

AYCE Consulting Engineers, Inc.

Santa Ana, CA

Large Firm Expertise Small Firm Values

Website1 office1 leadersFounded 2015
Service: Transportation EngineeringService: Complete Street Design (Rural and Urban)Industry: TransportationType: Transportation Engineering+25 more

Ackerman Consulting Group, LLC

Scottsdale, AZ

Built for Rural and Tribal Broadband

WebsitePhone2 offices2 projects
Service: Telecom Consulting ServicesService: Business Planning & Financial AnalysisIndustry: TelecommunicationsType: Telecom / RF Engineering+15 more

Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects
Service: Civil EngineeringService: Traffic & Transportation EngineeringIndustry: GovernmentType: Civil Engineering+45 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projects
Service: Civil EngineeringService: Site DevelopmentIndustry: EducationType: Civil Engineering+42 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders
Service: Civil EngineeringService: Land Development PlanningIndustry: GovernmentType: Civil Engineering+39 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998
Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingIndustry: GovernmentType: Civil Engineering+59 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects
Service: Transportation EngineeringService: Highway and Traffic EngineeringIndustry: TransportationType: Civil Engineering+28 more

Aguirre & Fields

Sugar Land, TX

Engineering Innovators

WebsitePhone4 offices3 projects
Service: Transportation EngineeringService: Streets and HighwaysIndustry: TransportationType: Civil Engineering+25 more