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

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&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leadersFounded 2005Updated Jun 2026

Service detail: Roadway, Highway, and Intersection Improvements

Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionService: Trails and SidewalksIndustry: GovernmentIndustry: TransportationType: Civil Engineering+13 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

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

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

AGDL International, LLC

El Paso, TX

AGDL International is an integrated consulting engineering firm based in El Paso, Texas, serving clients with property and infrastructure interests in the US and Mexico. The team brings extensive cross-border experience applying US and Mexican technical standards - including ASTM, ACI, AISC, ALTA/NSPS, USPAP, NOM, and PROFEPA - across structural, civil, environmental, and land-related projects. Clients span industrial manufacturers, hospitality brands, municipal governments, and school districts.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Design Of Concrete And Steel Structures Of All TypesService: Applying USIndustry: IndustrialIndustry: GovernmentType: Civil Engineering+25 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

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

Allen & Hoshall

Memphis, TN

Engineers - Architects - Surveyors

WebsitePhone9 offices7 projects13 leaders4 credentialsFounded 1915

Project: Chattanooga Terminal Expansion and Renovation

Service: ArchitectureService: PlanningService: Construction DocumentationIndustry: AviationIndustry: EducationType: Architecture & Engineering+35 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Anderson Engineering of Minnesota, LLC

Plymouth, MN

Inspired Designs. Proven Experts.

WebsitePhone2 officesFounded 1989Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Building DesignService: Building RenovationIndustry: CommercialIndustry: EducationType: Architecture & Engineering+61 more

Anderson Psomas

Saratoga Springs, UT

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential Subdivisions and Custom HomesService: Septic System DesignIndustry: ResidentialIndustry: MiningType: Civil Engineering+21 more

Apex Engineering, Inc.

Spanish Fork, UT

Apex Engineering, Inc. is a Utah civil engineering and land surveying practice providing land development, subdivision, site, structural, surveying, and construction staking services from concept development through project completion.

WebsitePhone1 office1 leadersFounded 2003Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land DevelopmentService: Subdivision DesignIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+10 more

Ardurra Group, Inc.

Miami, FL

Collaborate. Innovate. Create.

WebsitePhone2 offices1 projects7 leaders8 credentialsFounded 1901

Project: Southwest Wyoming Regional Airport Terminal Expansion and Modernization

Service: Water / Wastewater EngineeringService: Water SupplyService: Wastewater Treatment PlantsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+75 more

Arrow Land Development LLC

St. Thomas, VI

Where Innovation Meets Infrastructure.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Environmental ServicesService: HydrologyIndustry: ResidentialIndustry: CommercialType: Civil Engineering+22 more

Associated Design Partners Inc

Falmouth, ME

Associated Design Partners Inc is a structural engineering firm in Falmouth, Maine, providing complete building structural engineering services and expert witness testimony in construction dispute litigation for nearly 25 years. ADP engineers solutions for residential and commercial structures including new construction design, additions, building envelope engineering, and retaining wall design. It also offers land surveying and drafting services, and is experienced in building code interpretation across Maine jurisdictions. ADP's collaborative, practical approach aims to keep projects economical, efficient, and productive for building owners, contractors, and attorneys.

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Intermed Building - Glass Curtain Wall System Design

Service: Structural Design EngineeringService: New Construction DesignService: Building AdditionsIndustry: CommercialIndustry: ResidentialType: Structural Engineering+29 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentialsFounded 1958Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Selection and DevelopmentService: Single and Multi-Family Residential DevelopmentIndustry: InfrastructureIndustry: MiningType: Civil Engineering+33 more

Atlas Engineering Group, Ltd.

Deerfield, IL

Innovate, Empower, and Collaborate

Website2 offices12 leadersFounded 2007Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Highway DesignService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+21 more