Public engineering firm directory

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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

4D Site Solutions Inc.

Fayetteville, NC

On time, every time.

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Erosion Control DesignService: Grading and Drainage DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+12 more

4Ward Land Surveying

Austin, TX

4Ward Land Surveying is a full-service land surveying and geospatial solutions firm founded in 2009 and based in Austin, Texas. Operating throughout the state, the firm provides land surveying, construction layout, aerial LiDAR, drone mapping, 3-D laser scanning, and GIS solutions for landowners, investors, developers, architects, engineers, and general contractors. In 2024, 4Ward launched a proprietary client portal for interactive delivery of survey and GIS data.

WebsitePhone1 office1 credentialsFounded 2009Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Construction LayoutService: Alternative Geospatial ServicesType: Land Surveying+3 more

A. Morton Thomas and Associates, Inc.

Rockville, MD

Celebrating 70 Years of Engineering and Design

WebsitePhone1 office4 projects5 credentialsFounded 1955Size Estimate: 500-999 employees

Project: Route 1 Improvements

Service: Site and Civil EngineeringService: Site DevelopmentService: Civil DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+43 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

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

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: 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

ALC Engineering

Buffalo, WY

More Than Just a Project

WebsitePhone2 officesFounded 2010Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: GPS and Total Station SurveyingService: UAV and Aerial Survey and MappingIndustry: Oil & GasIndustry: GovernmentType: Civil Engineering+27 more

AULtec, Inc.

Gaithersburg, MD

Professional Civil Engineering and Land Surveying Services

Website1 office5 projects2 leaders7 credentialsFounded 1994Size Estimate: 10-49 employees

Project: Pre-stressed Concrete Slab Bridge No. 10172 Replacement

Service: Civil EngineeringService: Site & Land DevelopmentService: Hydrology & Stormwater ManagementIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+19 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

Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects1 leaders1 credentials1 publications

Project: Big M Building Reimagining

Service: Civil EngineeringService: Traffic & Transportation EngineeringService: Land Planning & DevelopmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+43 more

Acorn Engineering, Inc.

Portland, ME

Civil Engineering, Surveying, and Landscape Architecture in Maine

WebsitePhone3 offices3 projects1 leaders2 credentialsUpdated Jun 2026

Project: Watt Samaki Buddhist Temple

Service: Civil EngineeringService: Site Development DesignService: Utility DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+38 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders2 credentialsFounded 1935Size Estimate: 90 employees

Project: Braddocks Mill Dam

Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignService: Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Allen & Major Associates, Inc.

Woburn, MA

Civil Engineers, Land Surveyors, Environmental Consultants & Landscape Architects

WebsitePhone3 offices11 projects1 credentialsUpdated Jun 2026

Project: Broadstone's The 305 Apartments

Service: Civil EngineeringService: Construction ConsultationService: Due Diligence & Feasibility StudiesIndustry: CommercialIndustry: IndustrialType: Civil Engineering+49 more

Allen Consulting Engineers

Mesa, AZ

Allen Consulting Engineers is a civil engineering and land surveying firm founded in 1984, headquartered in Mesa, Arizona with an additional office in Prescott, Arizona. It provides comprehensive civil engineering and land surveying services to residential, commercial, and industrial clients from concept through construction. The practice employs registered civil engineers, land surveyors, and AutoCAD operators and uses state-of-the-art surveying electronics and CAD software.

WebsitePhone2 offices5 leadersFounded 1984Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential SubdivisionsService: Single Residential Custom HomesIndustry: ResidentialIndustry: CommercialType: Civil Engineering+22 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

Ally General Solutions, LLC

Houston, TX

Building now for tomorrow

Website1 office8 projects7 leadersFounded 2011Updated Jun 2026

Project: Houston Veterans Affair Medical Center

Service: Civil EngineeringService: Highways and Airports EngineeringService: Access Road DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+31 more

Alpha Land Surveying & Mapping

Omaha, NE

Alpha Land Surveying & Mapping (ALSM) was founded in January 1996 by Fred M. Franklin, PLS, in Oakland, Nebraska, and has grown into a regional land surveying practice serving Nebraska and Florida. ALSM provides boundary, ALTA/ACSM, topographic, elevation certificate, and FEMA/LOMA/GIS surveys, along with construction staking and aerial drone services. A technology-forward practice, ALSM offers aerial drone photogrammetry and LiDAR scanning for power-line corridors, railway corridors, cell towers, and general corridor mapping, producing 3D point clouds, 2D and 3D orthomosaic maps, and BIM-ready spatial data. The firm operates from offices in Omaha, Oakland, South Sioux City, Norfolk, and Blair, Nebraska, and Tampa, Florida.

WebsitePhone6 offices1 leadersFounded 1996Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA/ACSM SurveysService: Boundary SurveysIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Land Surveying+17 more

Alpine Enterprises Inc.

Ketchum, ID

Alpine Enterprises Inc. is a land surveying, GIS, natural hazards consulting, and civil engineering firm based in Ketchum, Idaho, serving Blaine County and surrounding south-central Idaho counties. The practice provides professional surveying for residential and commercial clients, offers GIS services for government agencies and public utilities, and conducts natural hazards consulting for snow avalanche, flood, and wildfire risk.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic MappingIndustry: ResidentialIndustry: GovernmentType: Land Surveying+16 more

Alpine Surveying & Engineering, Inc.

Bozeman, MT

Delivering Personalized Surveying & Engineering Solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial and light industrial site design and permittingService: Road and utility planning, design, and permittingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+36 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Alvin Fairburn & Associates, LLC

Denham Springs, LA

Architects, Land Surveyors, Consulting Engineers

WebsitePhone1 office8 projectsFounded 1976Updated Jun 2026

Project: Our Lady of the Lake

Service: ArchitectureService: Commercial DevelopmentService: Academic FacilitiesIndustry: CommercialIndustry: EducationType: Architecture & Engineering+42 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