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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406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leadersFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignService: Focusing On Individual Rural SystemsIndustry: Land DevelopmentType: Civil Engineering+11 more

609 Consulting, LLC

Sheridan, WY

Engineering Excellence Delivering High-Quality Engineering, Surveying & Consulting Services to the Rocky Mountain Region

WebsitePhone4 offices8 leadersFounded 2007Size Estimate: 58 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road Engineering DesignService: Transportation Planning of Access RoadsIndustry: Oil & GasIndustry: Water ResourcesType: Civil Engineering+25 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 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

ACG LLC Consulting Engineers

Fairfax, VA

ACG LLC Consulting Engineers is a civil engineering firm based in Fairfax, Virginia, with over 80 years of combined staff experience in civil engineering and land development. The team specializes in civil engineering, land planning, surveying, and structural services for residential and commercial projects in the Washington Metropolitan Area, with direct involvement in every stage of a project from design through completion.

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: SurveyingService: Structural ServicesIndustry: CommercialIndustry: ResidentialType: Civil Engineering+4 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

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 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

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 LLC

Washington, DC

AMT LLC is an engineering consulting and land surveying firm based in Washington, DC. It provides site/civil engineering, professional land surveying, and landscape architecture services for public and private clients in the Washington, DC area. AMT has participated in major development and infrastructure projects including The Wharf and Union Station Redevelopment, serves DC Public Schools and private education buildings, and has completed dozens of DC DGS and DPR parks and recreation improvement projects.

WebsitePhone1 office3 projects1 credentialsUpdated Jun 2026

Project: The Wharf

Service: Site/Civil EngineeringService: SurveyingService: Landscape ArchitectureIndustry: GovernmentIndustry: EducationType: Civil Engineering+5 more

AR Engineering

Kalamazoo, MI

Civil engineering and surveying

WebsitePhone1 officeUpdated Jun 2026

Service detail: Site Development Engineering

Service: Site Development EngineeringService: Commercial Site DesignService: Residential Site DesignIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+28 more

ARCXIS

Houston, TX

From Start to Finish, One Number to Call.

WebsitePhone1 office10 credentialsUpdated Jun 2026

Service detail: Inspection Services

Service: Inspection ServicesService: Engineering ServicesService: MEP EngineeringIndustry: ResidentialType: MEP+9 more

ASUSE Incorporated

Tempe, AZ

Transform Your Vision Into Reality with ASUSE

WebsitePhone1 office1 projects3 credentialsFounded 2021Size Estimate: 1-25 employees

Project: Ak-Chin Indian Community Utility Infrastructure

Service: Engineering DesignService: Power Distribution DesignService: Communication Infrastructure DesignIndustry: Power GenerationIndustry: Oil & GasType: Design-Build+21 more

Advanced Environmental Engineering Inc

Civil, environmental, and municipal engineering solutions

Website3 credentialsUpdated Jun 2026

Service detail: Integrated Solid Waste Management

Service: Integrated Solid Waste ManagementService: Integrated Solid Waste Master PlansService: Facility SitingIndustry: GovernmentIndustry: Waste ManagementType: Civil Engineering+42 more

Afridi Associates

Afridi Associates provides professional consulting engineering services specializing in transportation infrastructure, public buildings, and geotechnical engineering. It delivers solutions for highways, bridges, rail systems, airport terminals, and waterfront structures across the northeastern United States.

Website10 projectsUpdated Jun 2026

Project: JFK Terminal One Reconstruction

Service: Building and Airport TerminalsService: Provides Engineering DesignService: Peer ReviewIndustry: GovernmentIndustry: FederalType: Civil Engineering+54 more

All South Consulting Engineers, LLC

Metairie, LA

Solutions Engineered by Design

WebsitePhone4 offices8 projects3 leadersFounded 2004Size Estimate: 80-249 employees

Project: Bayou Country Sports Park

Service: Civil EngineeringService: Water and Sewage SystemsService: Drainage and Stormwater SystemsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+25 more

Alpha Associates, Inc.

Morgantown, WV

Architectural and Engineering Excellence for Over 55 Years

WebsitePhone2 offices3 projects4 leadersFounded 1969Updated Jun 2026

Project: North Elementary School Connector

Service: ArchitectureService: Sustainable Building DesignService: Commercial and Government FacilitiesIndustry: EducationIndustry: CommercialType: Architecture & Engineering+21 more

Amani Engineering, Inc.

Houston, TX

One Stop Service

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: SurveyingService: Construction Observation & AdministrationIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+5 more

American Engineering Consultants, Inc.

Cayce, SC

If It Can Be Done, It Will Be Done

WebsitePhone1 office3 leaders4 credentialsFounded 1994Updated Jun 2026

Service detail: Water

Service: WaterService: Assessment & AnalysisService: Booster Pump StationsIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+57 more

American Engineering, Inc.

Engineering Excellence, Driven by Veterans

Website2 projectsFounded 2021Updated Jun 2026

Project: Bonicia Park Land Surveying

Service: SurveyingService: Boundary & ALTA SurveysService: Topographic SurveysIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+17 more

Anderson Perry & Associates, Inc.

La Grande, OR

Anderson Perry & Associates, Inc. (AP) is a full-service civil engineering firm serving eastern Oregon and eastern Washington since 1975. With nearly 100 employees and five office locations, AP provides water and wastewater system design, transportation, bridges, site development, flood reduction, irrigation, surveying, GIS, environmental and permitting, construction engineering, water rights, and cultural resources management services to public entities and communities throughout the region.

WebsitePhone5 offices1 projects4 credentialsFounded 1975Updated Jun 2026

Project: City of Prineville Wastewater System Improvements

Service: Water SystemsService: Drinking WaterService: Water RightsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+31 more

Anderson, Eckstein & Westrick, Inc.

Shelby Township, MI

Engineering Strong Communities

WebsitePhone3 offices7 projects5 leadersFounded 1968Size Estimate: 50-199 employees

Project: UCS Henry Ford II High School 2025 Athletic Improvements

Service: ArchitectureService: Municipal & Government FacilitiesService: Recreational & Community CentersIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+28 more

Athena Engineering & Environmental

Nashville, TN

Practical environmental and engineering solutions, delivered with precision and integrity.

WebsitePhone4 offices9 projects8 leaders3 credentialsUpdated Jun 2026

Project: Flood Risk Management Projects VE Study

Service: Geotechnical EngineeringService: Subsurface Exploration (Soil and Rock)Service: Foundation Design (Shallow and Deep)Industry: FederalIndustry: DefenseType: Environmental Engineering+93 more