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

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

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

AIRTEC, Inc.

California, MD

Global Airborne Mission Solutions

WebsitePhone1 office3 leaders14 credentialsUpdated Jun 2026

Service detail: ISR Operations

Service: ISR OperationsService: Aircraft ModificationService: Aircraft Maintenance, Repair, and Overhaul (MRO)Industry: DefenseIndustry: FederalType: Aviation Engineering+15 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982Updated Jun 2026

Service detail: Investment Due Diligence

Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsService: Joint Venture Evaluation and RepresentationIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+19 more

Apex Companies Llc Or

Rockville, MD

Shaping a safe, sustainable, and equitable future.

Website1 office1 credentialsFounded 1988Updated Jun 2026

Service detail: Health and Safety

Service: EnvironmentalService: Health and SafetyService: Health and Safety TrainingIndustry: AerospaceIndustry: AviationType: Environmental Engineering+43 more

Aqua Vitae Engineering, LLC

Arlington Heights, IL

Water & Life

WebsitePhone2 offices3 leaders7 credentialsFounded 2014Updated Jun 2026

Service detail: Planning, Design, and Implementation

Service: Planning, Design, and ImplementationService: Low Impact Development (LID)Service: Watershed-Based PlanningIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+14 more

Arrow Creek Survey Co.

Geyser, MT

Arrow Creek Survey Co. is a privately owned professional land surveying firm serving clients throughout Montana from offices in Geyser and Lewistown. Formerly operating as Lindseth Survey Co., Arrow Creek expanded by acquiring Milestone Surveying and now draws on more than forty years of historical survey records. Jeremy T. Milburn, PLS, leads the practice with over 25 years of surveying experience spanning projects in Montana, Alaska, Minnesota, and Russia. The team uses advanced Trimble GPS equipment, total stations, and CAD to deliver accurate results for residential, commercial, agricultural, and conservation clients.

WebsitePhone2 offices3 projects1 leadersUpdated Jun 2026

Project: Wind Energy Survey - Cut Bank, Montana

Service: Land SurveyingService: Boundary SurveysService: Cadastral SurveysIndustry: AgricultureIndustry: ResidentialType: Land Surveying+13 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 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

Aucoin & Associates, Inc.

Eunice, LA

Aucoin & Associates, Inc. (A&A) is a civil, environmental, and transportation engineering and land surveying firm founded in Eunice, Louisiana in March 1951 by Lindsey J. Aucoin. Serving the Central Gulf Coast from offices in Eunice and Lake Charles, A&A provides professional engineering, planning, and surveying services across Louisiana, Texas, and Mississippi. Licensed engineers and surveyors hold credentials in Louisiana, Texas, Mississippi, and Arkansas. The practice serves municipal, state, and federal agencies, parish governments, and private clients including major oil and gas pipeline operators, with project work spanning coastal restoration, transportation infrastructure, municipal utilities, land development, and solid waste engineering.

WebsitePhone2 offices5 leaders2 credentialsFounded 1951Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Environmental EngineeringService: Transportation EngineeringIndustry: Oil & GasIndustry: Highways & RoadsType: Civil Engineering+51 more

Auroran Environmental

New York City, NY

NYC-Based Eco-Engineering

WebsitePhone1 office2 projects3 leaders3 publicationsFounded 2013

Project: Green Infrastructure Research and Development

Service: Ecological and Habitat RestorationService: Ecological Restoration Planning and DesignService: Habitat Assessments and DelineationsIndustry: Environmental & RemediationIndustry: Stormwater & Flood ControlType: Environmental Engineering+10 more

Beaver Creek Hydrology LLC

Lexington, KY

Civil Engineering and Ecosystem Design

Website1 officeUpdated Jun 2026
Service: Stream RestorationService: Wetland RestorationService: Mitigation BankingIndustry: Environmental & RemediationIndustry: Natural ResourcesType: Civil Engineering+4 more

Benesch

Value Focused. Community Minded. Quality Driven.

Website15 projects11 leaders20 credentialsFounded 1946Size Estimate: 1,200-4,999 employeesUpdated Jun 2026

Project: Weber Road at I-55 Diverging Diamond Interchange

Service: TransportationService: AviationService: BridgesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+52 more

Beran Environmental Services, Inc.

Boyers, PA

Experienced Professionals Delivering Proven Solutions

Website1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Environmental Compliance and Permitting

Service: Environmental Compliance and PermittingService: Engineering Design ServicesService: Resource Construction and RestorationIndustry: Oil & GasIndustry: MiningType: Environmental Engineering+3 more

C.A. Goudey and Associates

Woods Hole, MA

Innovation to confront the ocean challenges of our time

Website1 office5 projects1 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Autonomous Tow Vessels for Offshore Macroalgae Farming

Service: Marine System DesignService: Autonomous Vessel EngineeringService: Offshore Aquaculture StructuresIndustry: MarineIndustry: GovernmentType: Marine Engineering+2 more

CEEC, Inc.

Las Vegas, NV

Creative Engineering and Environmental Consulting

WebsitePhone1 office4 projects5 leadersFounded 2002Updated Jun 2026

Project: I-15 Tropicana Interchange Expansion

Service: Construction ManagementService: Construction Schedule ReviewService: Construction InspectionIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+13 more

Caputo and Wick Ltd.

Rumford, RI

Caputo and Wick Ltd is a New England based consulting practice specializing in classic civil engineering, land surveying, and environmental permitting services. Serving public agencies, non-profit organizations, developers, contractors, and other design professionals, it provides comprehensive support from project conception to completion. Operating since 1977, it has executed thousands of design projects of varying size and complexity, utilizing an in-house multidisciplinary team of land surveyors, structural, civil, and transportation engineers, and CAD technicians.

WebsitePhone1 office5 projectsFounded 1977Updated Jun 2026

Project: Narragansett Indian Health Center Site Design

Service: Land SurveyingService: Record ResearchService: Boundary SurveysIndustry: HealthcareIndustry: EducationType: Civil Engineering+52 more

Cardno Engineering Services

Cardno MM&A delivers geological, environmental, hydrogeological, and mining engineering services with a focus on energy and mineral resources analysis. Professional geologists, hydrogeologists, mining engineers, civil engineers, and geotechnical engineers collaborate with clients across the Americas from approximately 270 offices and 4,500 personnel to address resource, environmental, and subsurface engineering challenges.

WebsiteSize Estimate: 4,500 employeesUpdated Jun 2026

Service detail: Geological and Geotechnical Services

Service: Geological and Geotechnical ServicesService: Environmental EngineeringService: Coal Refuse Disposal Facility Design and PermittingIndustry: MiningIndustry: Environmental & RemediationType: Geotechnical Engineering+23 more

Carlexson Consulting LLC

Pasadena, MD

Resilient solutions for the waters we call home.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Coastal Restoration and EngineeringService: Living Shoreline DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Coastal Engineering+12 more

Centuria Corporation

Reston, VA

A Data Driven Company

WebsitePhone2 offices3 projects7 leaders7 credentialsFounded 2002

Project: NOAA Radar Operations Center Mission Support Services

Service: Engineering & Scientific ServicesService: Systems EngineeringService: Modeling & SimulationIndustry: FederalIndustry: GovernmentType: Aerospace Engineering+61 more