Public engineering firm directory

Find engineering consulting firms by capability and location.

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2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026

Project: Passamaquoddy Water Treatment Plant

Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 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

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988Updated Jun 2026

Service detail: Asbestos Services

Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsService: Bulk sample analysis in accredited laboratoryIndustry: ResidentialIndustry: CommercialType: Environmental Engineering+42 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

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

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

AMEL Technologies, Inc.

Honolulu, HI

Engineering Consulting & Construction Management Services

WebsitePhone1 office1 projects2 leadersFounded 2004Updated Jun 2026

Project: Pearl Harbor Fitness Center

Service: Mechanical EngineeringService: Energy Consulting ServicesService: SustainabilityIndustry: GovernmentIndustry: FederalType: Mechanical Engineering+26 more

ATCS, Inc.

Engineering Innovative Solutions

Website9 leadersUpdated Jun 2026

Service detail: Environmental Planning

Service: Environmental PlanningService: Air & Noise AbatementService: Transportation DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

AVCON, INC.

Orlando, FL

Transforming Today's Ideas Into Tomorrow's Reality

WebsitePhone1 office8 projects4 leaders5 credentialsFounded 1988

Project: South Terminal Complex

Service: Aviation EngineeringService: Airport Planning, Master Plans & Layout PlansService: Airfield DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+29 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

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

Adaptive Management and Engineering, LLC

Baton Rouge, LA

Geotechnical Solutions for a Sustainable Future

WebsitePhone2 offices2 projects3 credentialsFounded 2019Size Estimate: 5-30 employees

Project: Caminada Headland Back Barrier Marsh Creation (BA-171) Project

Service: Site ExplorationService: Geotechnical Drilling, CPT Soundings and Field TestingService: Soil SamplingIndustry: IndustrialIndustry: CommercialType: Coastal Engineering+34 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

Agility Engineering

Houston, TX

Delivering public infrastructure efficiently, economically, and sustainably.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Construction DesignService: Hydraulic and Hydrology ModelingIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+23 more

Aldrich + Elliott, PC

Essex Junction, VT

Innovative Water Resource Engineering

WebsitePhone1 office5 projects4 leaders11 credentialsFounded 1995

Project: Municipal Sequential Batch Reactor Wastewater Treatment Process

Service: Drinking Water SystemsService: System assessmentsService: Hydraulic modelingIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+23 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

American Infrastructure Development, Inc.

Tampa, FL

Innovative Architectural and Engineering Solutions

WebsitePhone7 offices11 projects6 leadersFounded 2009Updated Jun 2026

Project: Henry E. Rohlsen International Airport (STX) - Terminal Improvements, Phase 1

Service: ArchitectureService: Airport Terminals, FBOs, and GA FacilitiesService: Hotels, Administrative Offices, and Public-Use BuildingsIndustry: AviationIndustry: AirportsType: Architecture & Engineering+26 more

Apex Engineering Group

Fargo, ND

Apex Engineering Group brings clarity and confidence to complex engineering projects.

WebsitePhone7 offices11 projects5 leaders18 credentialsFounded 2010

Project: City of Detroit Lakes, MN Municipal Engineering Services

Service: Water EngineeringService: Water wells and intake structuresService: On-site pilot plantsIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+83 more

Applemon

New York, NY

Engineers and Scientists

WebsitePhone2 offices22 projects1 credentialsFounded 2002Updated Jun 2026

Project: Infrastructure Upgrade in Coney Island

Service: Structural EngineeringService: Structural DesignService: Plan ModificationsIndustry: InfrastructureIndustry: ResidentialType: Automation & Controls+27 more

Ardaman & Associates, Inc.

Orlando, FL

Meeting All Your Project Needs, Anywhere

WebsitePhone8 offices7 projectsFounded 1959Size Estimate: 100-300 employeesUpdated Jun 2026

Project: Ballpark of the Palm Beaches

Service: Geotechnical and Foundation EngineeringService: Subsurface exploration and boringsService: Foundation recommendationsIndustry: MiningIndustry: ChemicalsType: Civil Engineering+65 more

Argis Solutions, Inc.

Aurora, CO

The no-nonsense spatial partner.

Website1 office5 projects1 leaders3 credentialsFounded 2016Updated Jun 2026

Project: City of Laramie, Wyoming ArcGIS Modernization

Service: GIS Assessments & System Health ChecksService: Services for ArcGIS OnlineService: Jumpstart for ArcGIS OnlineIndustry: GovernmentIndustry: FederalType: Software Engineering+13 more

Aries Aero Systems LLC

Aerospace Product Certification Consultants

WebsiteUpdated Jun 2026

Service detail: FAA Certification and DER Services

Service: FAA Certification and DER ServicesService: Certification Plan DevelopmentService: FAA Liaison ServicesIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+26 more