Public engineering firm directory

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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

3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic System Design and TestingService: Road Design and InspectionIndustry: ResidentialIndustry: CommercialType: Civil Engineering+19 more

3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects2 leaders3 credentialsUpdated Jun 2026

Project: Superbowl LI Cellular Network Modifications

Service: A&E ServicesService: Site Feasibility StudiesService: Erosion and Sediment Control PlanningIndustry: Oil & GasIndustry: TelecommunicationsType: Architecture & Engineering+30 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentialsFounded 2009Updated Jun 2026

Project: Sandy Vision and Comprehensive Plan

Service: Civil EngineeringService: Grading & DrainageService: Utility DesignIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+39 more

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects2 leadersFounded 2009Updated Jun 2026

Project: Eastern Mirage Hotel & Medical Center

Service: Architectural DesignService: Programming and Master PlanningService: Zoning Compliance and ExpeditingIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+22 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

A Civil Group, LLC

Columbia, MO

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

WebsitePhone1 office7 projects2 leadersUpdated Jun 2026

Project: Vineyards Plat 6

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesService: Road and Pavement DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+41 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

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

A.M.I. Engineering LLC

Miami, FL

Providing Engineering Solutions for Sustainable Infrastructure

WebsitePhone1 office4 projects1 leaders14 credentialsUpdated Jun 2026

Project: Lummus Park Waterfront Redevelopment

Service: Transportation InfrastructureService: System Planning and AnalysisService: Municipal Roadway SystemsIndustry: AirportsIndustry: GovernmentType: Civil Engineering+34 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 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

ABCO Engineering

Nampa, ID

ABCO Engineering is a civil and geotechnical engineering firm established in 2014 and headquartered in Nampa, Idaho. With over 20 years of staff experience in civil and construction engineering, ABCO serves municipal, commercial, and private development clients. Licensed as a Professional Engineer in Idaho, Oregon, Nevada, and Utah, the firm operates primarily in the Treasure Valley and surrounding region.

WebsitePhone1 officeFounded 2014Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic system designService: Level 1 nutrient pathogen studiesIndustry: GovernmentIndustry: CommercialType: Civil Engineering+26 more

ABD Engineers & Surveyors, LLP

Schenectady, NY

ABD Engineers & Surveyors, LLP is a civil engineering and land surveying firm founded in 1987 and headquartered in Schenectady, New York. Serving clients throughout Upstate New York and the Capital Region, it has built its reputation on residential, commercial, and municipal projects including subdivisions, site developments, senior housing, hotels, schools, correctional facilities, and commercial parks. ABD's partners bring deep expertise in the New York State permitting process, working with NYSDEC, NYSDOT, USACE, FEMA, and local municipal boards.

WebsitePhone1 office2 leadersFounded 1987Size Estimate: 15 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & DevelopmentService: Stormwater Management & Drainage DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+17 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

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

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projectsUpdated Jun 2026

Project: CHS Taxiways Repair

Service: Civil EngineeringService: Site PlanningService: Site Selection and Property Data ReportIndustry: AviationIndustry: CommercialType: Aviation Engineering+66 more

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects9 leadersFounded 1980Size Estimate: 50-100 employees

Project: Colonial Heritage

Service: Civil EngineeringService: Site Plan DesignService: Subdivision DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+37 more

AES Northeast

Plattsburgh, NY

Architecture | Engineering | Surveying

WebsitePhone2 offices1 projects2 leadersFounded 1988Size Estimate: 11-50 employees

Project: Square Dashnaw Road Bridge Replacement

Service: ArchitectureService: Architectural Design & DocumentationService: Building Condition Surveys & Structural AnalysisIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+27 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: I-405 Improvement Project

Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 more

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 more

AIMS Group, Inc.

Metairie, LA

Your Partner for Professional Engineering Consulting

WebsitePhone2 offices14 projects3 credentialsFounded 1996Size Estimate: 1-25 employees

Project: WSLP-105 and WSLP-108 Drainage Structures, Levees and Floodwalls

Service: Civil EngineeringService: Streets and RoadwaysService: Water InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+32 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Design and AnalysisService: Cast-in-Place ConcreteIndustry: CommercialIndustry: RetailType: MEP+81 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact AssessmentService: Air QualityIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+50 more