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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3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

4Creeks, Inc.

Honest, Authentic Solutions

WebsiteSize Estimate: 100-500 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+10 more

A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders3 credentialsFounded 1998Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development and Site DesignService: Water Resources and HydraulicsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+28 more

A2H

Memphis, TN

Full service planning and design.

Website5 offices5 projects16 leaders2 credentialsFounded 2022Updated Jun 2026

Project: Pacific Industries Manufacturing Facility

Service: ArchitectureService: Interior DesignService: Master PlanningIndustry: HealthcareIndustry: EducationType: Architecture & Engineering+60 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more

ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects1 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Los Alamos County Golf Course Community Building

Service: Civil EngineeringService: Drainage and Hydrology AnalysisService: Grading and Drainage DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+38 more

ACT ONE & Associates

Harrisburg, PA

ACT ONE & Associates is a consulting engineering and land surveying firm established in 2012 and based in Harrisburg, Pennsylvania. Licensed in Pennsylvania as Professional Engineers, Professional Land Surveyors, and a Sewage Enforcement Officer, the firm serves builders, contractors, developers, individual property owners, institutions, and municipalities with a broad range of civil, environmental, and structural engineering services.

WebsitePhone1 officeFounded 2012Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary surveyService: FEMA flood elevation certificateIndustry: GovernmentIndustry: CommercialType: Civil Engineering+14 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

AES Group, Inc.

Parker, CO

Providing Engineering and Architecture Services Since 2002

WebsitePhone1 office4 projects5 leaders20 credentialsFounded 1988

Project: Pikes Peak National Cemetery Master Plan & Design

Service: Civil EngineeringService: Site DesignService: GradingIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+38 more

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects2 leaders1 credentialsFounded 2014

Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel

Service: ArchitectureService: Architectural Concept DesignService: Design Development DocumentationIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+48 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects8 leaders27 credentialsFounded 1969

Project: Carla Peperzak Middle School

Service: Civil EngineeringService: Site Development SolutionsService: Stormwater Management SystemsIndustry: EducationIndustry: HealthcareType: Civil Engineering+41 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

AMT Engineers, Architects, Planners

Athens, GA

Mindful Design, Balanced Innovation, Sustainable Solutions

WebsitePhone1 office4 projects3 leaders9 credentialsUpdated Jun 2026

Project: Food Bank of Northeast Georgia Expansion

Service: ArchitectureService: Historic preservation and adaptive reuseService: Commercial and tenant fit-outIndustry: CommercialIndustry: Historic PreservationType: Architecture & Engineering+33 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects7 leadersFounded 1994Updated Jun 2026

Project: ATOKA Bioremediation Project

Service: Civil EngineeringService: Strategic Planning and Land UseService: Infrastructure DevelopmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+42 more

AWK Consulting Engineers, Inc.

Turtle Creek, PA

Quality, innovative, and cost-effective consulting engineering solutions

WebsitePhone2 offices4 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Drilling ServicesService: Pavement Evaluation & RehabilitationIndustry: GovernmentIndustry: FederalType: Civil Engineering+17 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publicationsFounded 1979Size Estimate: 200-250 employeesUpdated Jun 2026

Project: Haven Hollow Park Improvements

Service: Civil EngineeringService: Stormwater ManagementService: Utility EngineeringIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+57 more

Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Grand Ave. Ramp Reconstruction

Service: Civil EngineeringService: Land Development and Real Estate SupportService: Infrastructure Planning and OversightIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more