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.

Filters1

360 Energy Group

Chicago, IL

Your Energy Use Simplified

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Schaumburg Park District Energy Efficiency Study

Service: Program Design and ImplementationService: Public Sector ProgramsService: Geothermal Heat Pump DeploymentIndustry: GovernmentIndustry: UtilitiesType: Power & Utility 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 Consulting Group, LLC

Scottsdale, AZ

Built for Rural and Tribal Broadband

WebsitePhone2 offices2 projects10 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Rural Area Broadband Support Network (RABSN)

Service: Telecom Consulting ServicesService: Business Planning & Financial AnalysisService: Grant Writing & RFP SupportIndustry: TelecommunicationsIndustry: GovernmentType: Telecom / RF Engineering+13 more

Ambiotec Civil Engineering Group, Inc.

Brownsville, TX

Civil engineering & environmental group

WebsitePhone2 offices7 projects6 leadersFounded 1986Size Estimate: 11-50 employees

Project: Robindale WWTP Rehabilitation and Expansion

Service: Land DevelopmentService: Feasibility studies & site assessmentsService: Master planning and concept plansIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+46 more

Antero Group

Chicago, IL

Authentic partnerships are the best way to design and deliver projects that create lasting value.

WebsitePhone4 offices5 projects6 leadersUpdated Jun 2026

Project: Barry County Broadband Assessment and Implementation Plan

Service: Civil EngineeringService: Site DevelopmentService: Construction Engineering and ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+47 more

Borra Consulting

Traffic Engineering, Intelligent Transportation Systems

Website3 projects1 leadersUpdated Jun 2026

Project: TDOT I-440 Design-Build

Service: Transportation PlanningService: Traffic EngineeringService: Traffic Signal DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+13 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders6 credentialsFounded 1969Size Estimate: 1,560 employees

Project: CMTA Corporate Headquarters Building 2

Service: Consulting EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: AviationType: MEP+30 more

Cedar Corporation

Cedarburg, WI

Community Infrastructure, Architectural & Environmental Services

WebsitePhone5 offices8 projects7 leadersUpdated Jun 2026

Project: iMark Molding Site Design

Service: Municipal EngineeringService: Industrial Park and Commercial Site DesignService: Capital Improvement PlansIndustry: GovernmentIndustry: Highways & RoadsType: Architecture & Engineering+54 more

Chen Ryan Associates, Inc.

San Diego, CA

Innovative Mobility Solutions For Our Changing World

WebsitePhone2 officesFounded 2011Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Civil and Traffic Engineering Design

Service: Civil and Traffic Engineering DesignService: Park and Recreation DesignService: Bicycle and Pedestrian DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+36 more

Clapsaddle-Garber Associates, Inc.

Marshalltown, IA

Engineers, Surveyors, and Architects

WebsitePhone6 offices6 projects35 leaders6 credentialsFounded 1959

Project: Grand Crossing PICP Parking Lot

Service: Civil EngineeringService: Site DesignService: Streets and TransportationIndustry: AviationIndustry: GovernmentType: Architecture & Engineering+34 more

Colliers Engineering & Design

Holmdel, NJ

Your success is our success; together we shape the spaces that move communities forward.

WebsitePhone1 office8 projects17 leaders8 credentialsSize Estimate: 1,000+ employees

Project: Frank Sinatra Drive Sinkhole & Emergency Seawall Rehabilitation

Service: Architecture & DesignService: Architectural DesignService: Building Engineering SystemsIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+68 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

Consor

Jacksonville, FL

A leading infrastructure engineering and construction management firm moving communities forward.

Website1 office5 projectsFounded 1980Size Estimate: 200+ employeesUpdated Jun 2026

Project: Bridge Street Bridge Rehabilitation

Service: Advisory ServicesService: Strategic PlanningService: Communications, Public Engagement, and FacilitationIndustry: Water SupplyIndustry: TransportationType: Structural Engineering+41 more

Cross Timbers Consulting

Meeting the needs of Tribal Transportation Programs

Website10 leaders8 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Transportation Planning

Service: Transportation PlanningService: Master PlanningService: Safety PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+39 more

Design Tree

Alexandria, MN

Our Roots. Your Growth.

WebsitePhone1 office14 projects9 leadersUpdated Jun 2026

Project: Rogers Indoor Turf Facility / HealthPartners Fieldhouse

Service: Civil EngineeringService: Applications for funding agenciesService: Site layout and grading designIndustry: EducationIndustry: GovernmentType: Civil Engineering+53 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

Effective Project Corporation

Overland Park, KS

Innovation in Design + Design/Build

WebsitePhone1 officeFounded 2000Updated Jun 2026

Service detail: Conceptualization

Service: ConceptualizationService: Preliminary Project ReportsService: Feasibility StudiesIndustry: Power GenerationIndustry: IndustrialType: Process Engineering+44 more

Foth

Solving your toughest science and engineering challenges

Website6 projectsUpdated Jun 2026

Project: Mississippi River Black Hawk Bridge at Lansing

Service: AviationService: Airside EngineeringService: Runways, Taxiways, and ApronsIndustry: AirportsIndustry: AviationType: Automation & Controls+111 more

GISJane, LLC

St. Petersburg, FL

Geospatial Solutions. For a resilient future.

Website1 office3 projects1 leaders2 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Project: Multi-Jurisdictional Watershed Master Plan

Service: Geospatial Solutions and GIS AnalysisService: Geodatabase DevelopmentService: GIS Mapping and CartographyIndustry: GovernmentIndustry: FederalType: Environmental Engineering+34 more

Giffels Webster

Detroit, MI

Integrated Solutions. Stronger Communities.

WebsitePhone1 office3 projects15 leadersFounded 1952Updated Jun 2026

Project: Gordie Howe International Bridge, U.S. Port of Entry

Service: Civil EngineeringService: Site Feasibility StudiesService: Roadway and Site Grading DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+32 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects6 leaders10 credentialsFounded 1974

Project: O'Hare International Airport Terminal 5

Service: ArchitectureService: Condition AssessmentService: Spatial and Building DesignIndustry: TransitIndustry: TransportationType: Architecture & Engineering+48 more

Great Places Analysis and Design, LLC

Transportation planning, analysis, and engineering design to promote safety and community vibrancy

Website4 projects1 leadersUpdated Jun 2026

Project: Creative Intersection Reconfigurations

Service: Transportation Planning and ScopingService: Mobility PlanningService: Safety Action PlanningIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+29 more

GreenGen (Green Generation Solutions, LLC)

Washington, DC

Greener Buildings. Greater Profits.

Website1 office4 projects8 leaders7 credentials6 publicationsFounded 2011

Project: EQT Real Estate BREEAM Certification

Service: Sustainability StrategyService: Regulatory Compliance AdvisoryService: Net Zero Pathway DevelopmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+31 more

GreenPoint Engineering

New Orleans, LA

Setting a higher standard in civil infrastructure planning and design

WebsitePhone1 officeUpdated Jun 2026

Service detail: Planning

Service: PlanningService: Water and Wastewater PlanningService: Drainage and Flood Protection PlanningIndustry: InfrastructureIndustry: WastewaterType: Civil Engineering+18 more