Public engineering firm directory

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Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects9 leaders3 credentialsFounded 2004

Project: Western Butler County Authority Administration Building

Service: Building CommissioningService: Design and Submittal AnalysisService: Controls and Checklist FormulationIndustry: GovernmentIndustry: CommercialType: MEP+40 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

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Barron's Environmental Solutions - In Time!, Inc.

Roswell, NM

An environmental services company.

WebsitePhone1 office1 leaders2 credentialsFounded 1998Updated Jun 2026

Service detail: Environmental Management

Service: Environmental ManagementService: Employee Management and TrainingService: Environmental Compliance AuditsIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+11 more

Batta Environmental Associates, Inc.

Newark, DE

Globally Recognized Environmental Engineering

WebsitePhone1 office5 projectsFounded 1982Updated Jun 2026

Project: Purple Line Transit HAZMAT Assessments and Remediation

Service: Industrial HygieneService: Indoor Air Quality and Mold TestingService: Asbestos and Lead-Based Paint SurveysIndustry: CommercialIndustry: EducationType: Environmental Engineering+29 more

CHES Services Corporation

CHES Services Corporation is an environmental consulting firm serving private, commercial, governmental, and public-sector clients across Puerto Rico, the Caribbean, and the US mainland. In practice since 1980 and incorporated in 1986 as Chemical and Engineering System Services Corporation, CHES Services Corporation brings expertise in air pollution compliance, occupational health and safety, and hazardous waste management, with a multi-disciplinary technical staff that includes SWANA-certified professionals in landfill operations, integrated solid waste management, and recycling systems. CHES Services Corporation also develops and delivers accredited training programs in asbestos-containing materials management, lead-based paint management, and environmental management systems auditing for governmental, commercial, industrial, and contractor audiences.

Website2 credentialsFounded 1980Updated Jun 2026

Service detail: Air Pollution Consulting

Service: Air Pollution ConsultingService: Compliance Inspections and AuditsService: Air Emissions InventoryIndustry: Environmental & RemediationIndustry: Waste ManagementType: Environmental Engineering+16 more

Celadon Technologies, LLC

Rockville, MD

Solutions for Water, Wastewater, and Energy Efficiency

WebsitePhone1 officeUpdated Jun 2026

Service detail: Water Infrastructure Engineering

Service: Water Infrastructure EngineeringService: Small & Large Diameter Distribution MainsService: Transmission Main DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+31 more

Crawford & Associates Engineering & Land Surveying, PC

Hudson, NY

Proudly Serving New York State Since 1992

WebsitePhone1 office8 leadersFounded 1992Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Site Assessment and InvestigationService: Site Remediation and Monitoring DesignIndustry: CommercialIndustry: Environmental & RemediationType: Civil Engineering+32 more

D&B Engineers and Architects, DPC

Woodbury, NY

A Legacy Engineered From A Vision

WebsitePhone7 offices8 projects20 leadersFounded 1965Size Estimate: 100-499 employees

Project: Atlantic County Utilities Authority Project

Service: ArchitectureService: Sustainable DesignService: BIM & Technology-Driven DesignIndustry: CommercialIndustry: EducationType: Architecture & Engineering+37 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

EXP

Brampton, ON

Multidisciplinary engineering, architecture, design and consulting services.

Website1 office6 projects3 leaders10 credentials5 publicationsFounded 1906

Project: Southwest Calgary Ring Road

Service: Architecture and DesignService: Architectural designService: Interior space planningIndustry: TransportationIndustry: TransitType: Architecture & Engineering+95 more

EnSafe Inc.

Memphis, TN

Creative Thinking. Custom Solutions.

WebsitePhone20 offices4 projects15 leaders4 credentialsFounded 1980

Project: Remediation of Perchlorate Contamination at NWIRP McGregor

Service: Environmental Site Assessment & InvestigationService: Phase I/II Environmental Site AssessmentsService: Soil and Groundwater InvestigationsIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+47 more

Engineering Alliance, Inc.

Engineering Alliance, Inc. provides multidisciplinary engineering and consulting services, specializing in civil engineering, environmental consulting, water systems, and air quality management. It serves municipal, industrial, mining, and utility clients with services spanning planning, permitting, design, and construction administration.

WebsiteUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Environmental ConsultingService: Surveying ServicesIndustry: GovernmentIndustry: MiningType: Civil Engineering+22 more

Envirospec Engineering, PLLC

Albany, NY

Engineering and Environmental Services for the Public and Private Sectors

WebsitePhone1 office1 leadersFounded 2007Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Site Assessment and CharacterizationService: Soil and Groundwater RemediationIndustry: ChemicalsIndustry: GovernmentType: Environmental Engineering+16 more

Farnham & Associates, Inc.

Clarks Summit, PA

Water and Wastewater Specialists, North East Pennsylvania

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Drinking Water Analysis

Service: Drinking Water AnalysisService: Predrill baseline analysisService: Water quality analysis, modeling, and predictive studiesIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+92 more

GEODesign, Inc.

Middlebury, CT

Underground Intelligence

WebsitePhone5 offices10 projects10 leaders1 credentialsFounded 1995

Project: State Pier Wind Energy Project

Service: Geotechnical EngineeringService: Geotechnical Reports & Subsurface ExplorationService: Foundation EngineeringIndustry: InfrastructureIndustry: BridgesType: Geotechnical Engineering+32 more

Geo-Hydro Engineers, Inc.

Kennesaw, GA

Building On Knowledge

WebsitePhone6 offices2 projects10 leaders5 credentialsFounded 1980

Project: SOVA and The Indy: Student Apartments at Kennesaw State University

Service: Environmental ConsultingService: Phase I Environmental Site AssessmentsService: Phase II Environmental TestingIndustry: CommercialIndustry: Land DevelopmentType: Geotechnical Engineering+22 more

IEMES, PSC

San Juan, PR

Right choices today for a better tomorrow.

WebsitePhone1 office3 projects4 leaders11 credentialsFounded 2015

Project: Puerto Rico Waste Characterization Study

Service: Air Quality ServicesService: Compliance Inspections and AuditsService: Project MonitoringIndustry: Environmental & RemediationIndustry: IndustrialType: Environmental Engineering+38 more

KB Engineering & Consulting, PLLC

Burnt Hills, NY

Navigating your Project to Success!

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Civil Engineering and Consulting

Service: Civil Engineering and ConsultingService: Residential and Commercial Site PlansService: Storm Drainage and Stormwater ManagementIndustry: ResidentialIndustry: CommercialType: Civil Engineering+19 more

KERAMIDA Inc.

Indianapolis, IN

Global Sustainability, EHS, and Engineering Services Firm

WebsitePhone1 office6 projects1 leaders3 credentials2 publications

Project: EHS Audit for Las Vegas Convention and Visitors Authority

Service: Environmental ConsultingService: Air Quality Management & PermittingService: Brownfield Redevelopment ServicesIndustry: Oil & GasIndustry: ManufacturingType: Environmental Engineering+50 more

Katin Engineering Consulting

Environmental, process, and safety engineering consulting

Website6 projectsUpdated Jun 2026

Project: NuStar Selby Marine Oil Terminal Lease Renewal

Service: Environmental ConsultingService: Permitting & ComplianceService: Remediation Systems DesignIndustry: Environmental & RemediationIndustry: IndustrialType: Chemical Engineering+32 more

Laulea Engineering, LLC

Honolulu, HI

Creativity. Sustainability. Integrity.

WebsitePhone1 office2 credentialsFounded 2013Size Estimate: Up to 9 employeesUpdated Jun 2026

Service detail: Wastewater Treatment Design

Service: Wastewater Treatment DesignService: Wastewater Treatment Plants (WWTP)Service: Individual Wastewater Systems (IWS)Industry: WastewaterIndustry: Stormwater & Flood ControlType: Civil Engineering+26 more

Liberty Environmental, Inc.

Reading, PA

Providing Innovative Solutions to Complex Environmental Problems

WebsitePhone5 offices4 leaders3 credentials1 publicationsFounded 2004

Service detail: Regulatory Compliance

Service: Regulatory ComplianceService: Air PermittingService: SPCC Plan Development and UpdatesIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+48 more

Montero Construction Services LLC

Saint Louis, MO

Experience. Expertise. Excellence.

WebsitePhone1 office2 leaders2 credentialsFounded 2021Size Estimate: 1-9 employees

Service detail: Utility Construction

Service: Utility ConstructionService: Sewer Pipe InstallationService: Erosion ControlIndustry: AgricultureIndustry: ChemicalsType: Civil Engineering+39 more