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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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

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects1 credentialsFounded 1995Updated Jun 2026

Project: Windmill Farm Initial Planning Study

Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentService: Phase III Environmental AssessmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+34 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 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

AIM Engineering & Surveying, Inc.

Fort Myers, FL

Innovative Engineering Solutions Since 1980

WebsitePhone5 offices8 projects3 leadersFounded 1980Updated Jun 2026

Project: I-75 (SR93A) Reconstruction, Hillsborough County

Service: Transportation Engineering & DesignService: RoadwaysService: MultimodalIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+33 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Afterburner Wind Tunnel Services LLC

Northern Virginia, VA

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

Website1 office2 leadersUpdated Jun 2026

Service detail: Safety Engineering

Service: Safety EngineeringService: System Safety Program DevelopmentService: Hardware and Software Safety AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+11 more

Air Resource Specialists, Inc.

Fort Collins, CO

A leader in the field of air quality for over 40 years.

Website1 office8 projects1 leaders2 credentials3 publicationsSize Estimate: 35 employees

Project: National Park Service Air Quality Conditions & Trends Website

Service: Air MonitoringService: Criteria Pollutants MonitoringService: Toxics & Hazardous Air PollutantsIndustry: GovernmentIndustry: FederalType: Environmental Engineering+33 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

Blair, Church & Flynn Consulting Engineers

Clovis, CA

Service. Quality. Integrity.

WebsitePhone6 offices3 leaders5 credentialsFounded 1958Updated Jun 2026

Service detail: Planning, Permitting & Consulting

Service: Planning, Permitting & ConsultingService: Alternatives AnalysesService: Constructability ReviewsIndustry: Power GenerationIndustry: Electric UtilitiesType: Civil Engineering+72 more

Bluewing Civil Consulting, LLC

Lafayette, LA

Meticulous Design. Engineered for tomorrow.

WebsitePhone2 offices4 projects2 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Bayou Pierre Responsible Mitigation Plan

Service: Roadway EngineeringService: Roadway hydraulicsService: NEPA-related servicesIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+40 more

C2 Consulting Collective

San Diego, CA

Mobility & Technology in Transportation

WebsitePhone1 office3 projects4 leaders5 credentialsSize Estimate: 1-10 employees

Project: Petco Park Gallagher Square 20th Anniversary

Service: Transportation Planning and EnvironmentalService: Vehicle Miles Traveled AnalysisService: CEQA and NEPA SupportIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 more

CKL Engineers

Engineering Excellence Every Time

Website2 leaders2 credentialsUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Airport Design and Construction ServicesService: Transit Construction ManagementIndustry: AviationIndustry: Highways & RoadsType: Civil Engineering+14 more

CORE Environmental Consultants, Inc.

Buffalo, NY

Innovative Engineering & Environmental Solutions

WebsitePhone2 offices10 projects6 leaders20 credentialsFounded 2004

Project: Community Air Monitoring Parks - NYC Park Reconstruction Project

Service: Hazardous Materials ConsultingService: Asbestos Surveys and Abatement DesignService: Lead-Based Paint Inspections & Risk AssessmentsIndustry: GovernmentIndustry: TransportationType: Environmental Engineering+57 more

CSG Consultants

Foster City, CA

Lasting Solutions for the Communities We Serve

WebsitePhone7 offices11 projectsFounded 1991Updated Jun 2026

Project: Scotts Valley Parcel Viewer

Service: Building & SafetyService: Building Code ExpertsService: Fire PreventionIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+49 more

Century West Engineering Corporation

Bend, OR

Design | Community | Solutions

WebsitePhone3 offices5 leadersFounded 1969Updated Jun 2026

Service detail: Municipal Planning & Engineering

Service: Municipal Planning & EngineeringService: WaterService: WastewaterIndustry: GovernmentIndustry: AviationType: Civil Engineering+22 more

Columbia Telecommunications Corporation

Bethesda, MD

Closing the digital divide

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Oregon Statewide Broadband Expansion Partnership

Service: Network Engineering & DesignService: High-Level Network DesignService: Detailed Outside Plant (OSP) EngineeringIndustry: TelecommunicationsIndustry: GovernmentType: Telecom / RF Engineering+26 more

Credere Associates, LLC

Westbrook, ME

Community Revitalization, Economic Development, Environmental Remediation and Engineering

WebsitePhone1 office4 projects3 leadersFounded 2007Size Estimate: Up to 25 employees

Project: Callahan Mine Superfund Site Tailings Impoundment Investigation and Stability Analysis

Service: Brownfields Assessment and CleanupService: Phase I Environmental Site AssessmentsService: Phase II Environmental InvestigationsIndustry: Environmental & RemediationIndustry: DefenseType: Environmental Engineering+29 more

DJ&A, P.C.

Missoula, MT

Engineering, Surveying, Environmental & Planning Services

WebsitePhone3 officesFounded 1973Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and Highway DesignService: Logging Road EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+43 more

DMY Capitol, LLC

Washington, DC

Experts in Handling Tight Deadlines

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Fort Dupont Ice Arena

Service: Geotechnical EngineeringService: DrillingService: Construction ManagementIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+12 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

Dominion Due Diligence Group

Midlothian, VA

Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.

WebsitePhone3 offices2 projects11 leaders1 credentialsFounded 1994

Project: Transforming Affordable Housing in Virginia: A RAD/LIHTC Renovation

Service: Environmental Due Diligence & ComplianceService: Phase I & II Environmental Site AssessmentsService: HEROS Environmental ReviewsIndustry: Affordable HousingIndustry: Multifamily ResidentialType: Environmental Engineering+31 more

Doucet Associates Inc A Kleinfelder Company

Austin, TX

We are Doucet.

WebsitePhone6 offices4 leaders2 credentialsUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Master Planned CommunitiesService: Multi-Family DevelopmentsIndustry: CommercialIndustry: RetailType: Civil Engineering+110 more

EBA Engineering

Santa Rosa, CA

Sustainable Solutions for an Evolving World

WebsitePhone1 officeFounded 1979Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Sustainable Land Development & Site Engineering DesignService: Grading PlansIndustry: CommercialIndustry: IndustrialType: Civil Engineering+30 more