Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

CATLIN Engineers and Scientists

Wilmington, NC

Built on Trust.

WebsitePhone4 offices4 projects1 leaders11 credentialsFounded 1985

Project: MCB Camp Lejeune and MCAS Cherry Point UST Remediation

Service: Environmental ServicesService: Environmental Investigation & AssessmentService: Remediation & RestorationIndustry: Environmental & RemediationIndustry: GovernmentType: Environmental Engineering+15 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

Civil Infrastructure Associates, LLC

Engineering thriving communities

Website11 projects4 leaders1 credentialsFounded 2009Updated Jun 2026

Project: Oracle Campus Development

Service: Water and Wastewater EngineeringService: Water and Wastewater System StudiesService: Water and Wastewater ModelingIndustry: CommercialIndustry: RetailType: Civil Engineering+58 more

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 more

Datapoint Surveying And Mapping Ii Llc

San Antonio, TX

Land Surveying | GIS & Mapping | UAS

WebsitePhone4 offices11 leaders7 credentialsFounded 2020Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Feasibility, Scoping, Planning, and Due DiligenceService: Greenfield and Brownfield Site Development DesignIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+28 more

ESPL Environmental Consultants Corp.

New York, NY

Professional environmental compliance, permitting, and remediation services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Environmental Compliance AuditingService: Environmental TestingIndustry: Environmental & RemediationIndustry: IndustrialType: Environmental Engineering+10 more

Engineering Ventures, PC

Saratoga Springs, NY

Creative Civil & Structural Engineering Solutions

WebsitePhone3 offices6 projects6 leaders44 credentialsSize Estimate: 30-50 employees

Project: K1 Base Lodge

Service: Structural EngineeringService: New Building Systems & DesignService: Historic Building Evaluation & RestorationIndustry: EducationIndustry: Multifamily ResidentialType: Civil Engineering+18 more

GWES, LLC

Roswell, GA

Smart Infrastructure Engineered for Lasting Community Impact

WebsitePhone4 offices10 projects10 leaders4 credentialsFounded 2010

Project: Northwest Service Area Water and Sewer Expansion

Service: Civil EngineeringService: Wastewater Collection and TreatmentService: Water Treatment and DistributionIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+28 more

Galt Group Inc.

West Palm Beach, FL

Professional Services, Management Consultancy, and Engineering Solutions

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Civil Engineering Services

Service: Civil Engineering ServicesService: Civil Design EngineeringService: Water Resources & Stormwater EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+15 more

Hedefine Engineering & Design, Inc.

Ellsworth, ME

Engineering Solutions for Maine

WebsitePhone1 office7 projects1 credentialsUpdated Jun 2026

Project: Mount Desert Public Works Building

Service: Permitting and PlanningService: Land Use Planning DocumentsService: Federal, State, and Local PermittingIndustry: EducationIndustry: GovernmentType: Civil Engineering+24 more

Kaskaskia Engineering Group, LLC

Belleville, IL

Exceptional, innovative, and comprehensive engineering and contracting solutions

WebsitePhone1 office5 projects2 leadersUpdated Jun 2026

Project: Troy O'Fallon Road Bridge Replacement

Service: Civil EngineeringService: Comprehensive Civil DesignService: Planning Services Tailored To MunicipalIndustry: GovernmentIndustry: FederalType: Civil Engineering+67 more

LT Leon Associates Inc.

Des Moines, IA

Engineering an Improved Standard of Living

WebsitePhone1 office16 projectsUpdated Jun 2026

Project: Walker Branch Wetland Study

Service: Water Resources EngineeringService: Hydrologic & Hydraulic ModelingService: River RestorationIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+37 more

MLR Engineering

Freeland, MI

MLR Engineering is a Michigan civil engineering and surveying firm founded in 2008, providing professional civil engineering, land surveying, construction engineering, and infrastructure asset management to municipal and private clients throughout Michigan. Led by Michael J. Rybicki, P.E., with over 35 years of experience, it operates from offices in Freeland and Traverse City.

WebsitePhone2 offices4 leadersFounded 2008Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: City street constructionService: Drainage plans and storm sewer designIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+27 more

NovelESolutions

Engineering | Environment | Earth

Website6 projects1 leaders1 credentialsFounded 2015Updated Jun 2026

Project: Louisville District Reservoirs Water Quality Sampling

Service: Environmental Engineering and RemediationService: Contamination Assessment and RemediationService: Storage System ClosureIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+13 more

NuStandard Engineering

San Diego, CA

NuStandard Engineering provides construction management and project advisory services for transportation and heavy civil projects in California. Its professionals control costs and schedule delivery for local, state, federal, and private contracts, and support clients through disputes, claims analysis, and expert witness proceedings arising from complex public works projects.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Constructability ReviewsService: Cost EstimatingIndustry: TransportationIndustry: InfrastructureType: Civil Engineering+18 more

Oxbow Ecological Engineering, LLC

Flagstaff, AZ

river + riparian + wetland + wildland

WebsitePhone1 office6 projects1 leaders3 credentialsFounded 2013

Project: Sweetwater Creek Restoration Project

Service: Surveying and MappingService: Topographic Engineering and Supplemental SurveysService: Fluvial Geomorphic Surveys and AssessmentsIndustry: Natural ResourcesIndustry: Water ResourcesType: Civil Engineering+39 more

Rioplex Engineering, LLC

McAllen

Building a Better Future From the Ground Up

Website1 office1 leadersUpdated Jun 2026

Service detail: Water & Wastewater Utility Planning & Design

Service: Water & Wastewater Utility Planning & DesignService: Drainage & Roadway Planning & DesignService: Streetscape Planning & DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+10 more

SERES Engineering & Services, LLC

Charleston, SC

Committed to Excellence

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2007

Project: Environmental Services and Remedial Action Operations for BRAC Legacy Sites - Former Fort Devens

Service: Operational Facility SupportService: Pollution PreventionService: Engineering Technical SupportIndustry: Environmental & RemediationIndustry: GovernmentType: Environmental Engineering+42 more

Smith Engineering and Associates, LLC

Cleveland, TN

Innovative & Efficient Engineering Solutions

WebsitePhone3 offices6 projects1 leaders10 credentialsSize Estimate: 1-25 employees

Project: Jackson International Airport Aviation Project Management

Service: Traffic EngineeringService: Traffic CountsService: Traffic Analysis and ModelingIndustry: TransportationIndustry: AviationType: Civil Engineering+71 more

Waters Engineering, Inc.

Sikeston, MO

Experience Matters

WebsitePhone1 office3 projectsFounded 1920Size Estimate: 1-10 employeesUpdated Jun 2026

Project: Campbell Wastewater Treatment Plant Improvements

Service: Drinking WaterService: System Engineering EvaluationsService: Water Distribution System ModelingIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+22 more