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

A2H

Memphis, TN

Full service planning and design.

Website5 offices5 projects16 leaders2 credentialsFounded 2022Updated Jun 2026

Project: Pacific Industries Manufacturing Facility

Service: ArchitectureService: Interior DesignService: Master PlanningIndustry: HealthcareIndustry: EducationType: Architecture & Engineering+60 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

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

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

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

CxE Group

Edwardsville, IL

Consulting Engineers

WebsitePhone1 office1 projects2 leaders11 credentialsUpdated Jun 2026

Project: Mascoutah High School

Service: Building CommissioningService: New Construction Quality AssuranceService: Retrocommissioning & System TuningIndustry: EducationIndustry: HealthcareType: MEP+15 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

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

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

Grey Engineering, LLC

Greenwell Springs, LA

Adapting Streets for People & Our Evolving Environment

WebsitePhone1 office7 projects1 leadersUpdated Jun 2026

Project: BREC's Health Loop Segment 12

Service: Transportation EngineeringService: Concept DevelopmentService: Feasibility StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+9 more

Hoyle Tanner & Associates, Inc.

Manchester, NH

Trusted Experts | Innovative Results

Website7 offices2 projects1 credentials3 publicationsFounded 1973Size Estimate: 50-200 employees

Project: Maplewood Avenue Bridge Rehabilitation

Service: AviationService: BridgesService: Bridge design (new and replacement)Industry: AirportsIndustry: AviationType: Aviation Engineering+33 more

IDS Engineering Group

Civil engineering, district representation, and public works services across Texas

WebsiteUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Municipal Utility Districts (MUDs)Service: District Creation and Feasibility StudiesIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+45 more

JEO Consulting Group

Wahoo, NE

JEO Consulting Group has been helping communities thrive since 1937, starting in Wahoo, Nebraska with bridge design and construction. Today JEO has more than 400 people across 16 offices and delivers long-term solutions through engineering, architecture, surveying, planning, community engagement, environmental sciences, funding, and construction services. The practice is known for treating clients and employees like family while building lasting partnerships with the communities it serves.

Website1 office3 projects8 leadersFounded 1937Size Estimate: 400 employeesUpdated Jun 2026

Project: David City Water Treatment Plant

Service: ArchitectureService: TransportationService: Road DesignIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+38 more

Life Cycle Associates, LLC

Portola Valley, CA

Engineering a Low Carbon Future

WebsitePhone1 office1 leaders2 publicationsUpdated Jun 2026

Service detail: Fuel Life Cycle Analysis

Service: Fuel Life Cycle AnalysisService: Carbon intensity modeling for fuel pathwaysService: Well-to-wheel analysisIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Environmental Engineering+18 more

MSK Engineers

Bennington, VT

Empowering Communities Through People-First Engineering

WebsitePhone3 offices6 projects7 credentialsUpdated Jun 2026

Project: The Bennington Lead Project

Service: Site CivilService: Conceptual Site LayoutService: Grading & DrainageIndustry: CommercialIndustry: EducationType: Civil Engineering+58 more

Martin Design Group, LLC

Lindstrom, MN

Delivering Precise Engineering Across Minnesota and Wisconsin

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Airport Engineering Design

Service: Airport Engineering DesignService: FAA AIP Grant NavigationService: Airfield Pavement Rehabilitation and MaintenanceIndustry: AirportsIndustry: AviationType: Civil Engineering+33 more