Public engineering firm directory

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Apex EHS

Apex EHS is an environmental, health, and safety (EHS) consulting and compliance firm incorporated in 2005 and serving businesses across the southeastern United States and 15-plus states. With over 50 years of combined EHS experience on staff, Apex EHS helps clients meet OSHA, EPA, and other regulatory standards through monthly inspections, risk assessments, drone inspections, and environmental project reviews. Apex EHS also provides a digital platform for managing EHS inspections, documents, reports, and training.

WebsiteFounded 2005Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: EPA Compliance ConsultingService: Environmental Project ReviewsIndustry: IndustrialIndustry: Oil & GasType: Environmental Engineering+8 more

Baer Engineering and Environmental Consulting, Inc.

Austin, TX

Sustainability through responsible engineering of the built environment.

WebsitePhone1 office9 projects2 credentialsFounded 1992Size Estimate: 1-25 employees

Project: Austin Bergstrom International Airport ConRAC Facility

Service: Engineering and Water ResourcesService: BMP ServicesService: National Flood Insurance Program RegulationsIndustry: EducationIndustry: HealthcareType: Chemical Engineering+83 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

CPM - Project Management and Technical Consulting

Guaynabo, PR

Effective and Reliable

WebsitePhone1 office19 projects5 credentialsFounded 1991Size Estimate: 200 employees

Project: Project Management - Centro Cardiovascular de Puerto Rico y del Caribe

Service: Project, Program & Construction ManagementService: Feasibility StudiesService: Site AssessmentIndustry: HealthcareIndustry: IndustrialType: Owner's Engineer+50 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

EHS Technology Group, LLC

Dayton, OH

Professional Insight... Practical Solutions

Website1 office4 leadersFounded 1998Updated Jun 2026

Service detail: Regulatory Compliance Support

Service: Regulatory Compliance SupportService: Air and Water Permitting and Compliance ReportingService: Environmental AuditsIndustry: IndustrialIndustry: ManufacturingType: Environmental Engineering+19 more

EHS-Alaska, Inc.

Eagle River, AK

Alaska's Leader in Hazardous Building Materials Identification and Abatement Design

WebsitePhone1 office5 credentialsFounded 1986Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Hazardous Materials Consulting

Service: Hazardous Materials ConsultingService: Asbestos Hazard Emergency Response Act (AHERA) complianceService: Hazardous materials surveys and inspectionsIndustry: FederalIndustry: GovernmentType: Environmental Engineering+34 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

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

PROtect LLC

Wichita, KS

Best-In-Class Safety, Reliability, & Compliance Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Non-Destructive Testing (NDT)

Service: Non-Destructive Testing (NDT)Service: Infrared Thermography InspectionsService: Flexible Digital RadiographyIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+29 more

Princeton Safety Solutions, Inc.

Fire & Explosion Hazard Consulting for High-Risk Industrial Operations

Website1 leaders6 credentials1 publicationsUpdated Jun 2026

Service detail: Dust Hazard Analysis (DHA)

Service: Dust Hazard Analysis (DHA)Service: Combustible Dust Hazard IdentificationService: Explosion Scenario ReviewIndustry: IndustrialIndustry: ManufacturingType: Fire Protection Engineering+26 more

RLG Environmental Inc.

RLG Environmental Inc. is a multidisciplinary environmental consulting and engineering firm established in 2002, specializing in cost-effective solutions to complex environmental problems. RLG serves clients in New Jersey with expertise in site remediation, underground storage tank management, brownfield assessment, Phase I and II environmental site assessments, asbestos investigations, and regulatory compliance under NJDEP frameworks including the Industrial Site Recovery Act and Licensed Site Remediation Professional programs.

Website6 credentialsFounded 2002Updated Jun 2026

Service detail: Site Remediation

Service: Site RemediationService: Underground Storage Tank (UST) ServicesService: UST ClosureIndustry: Environmental & RemediationIndustry: IndustrialType: Environmental Engineering+10 more

Rogers & Callcott

Greenville, SC

Your Environmental Solutions Firm

WebsitePhone2 offices4 leaders1 credentialsFounded 1969Updated Jun 2026

Service detail: Civil and Environmental Engineering

Service: Civil and Environmental EngineeringService: Water, wastewater, and stormwater designService: Site design, permitting, and construction administrationIndustry: Environmental & RemediationIndustry: IndustrialType: Civil Engineering+39 more

SEVA EHS, Inc.

Helping you achieve environmental success!

WebsiteFounded 2015Updated Jun 2026

Service detail: Clean Air Act Compliance

Service: Clean Air Act ComplianceService: Air Emissions InventoryService: Air Quality PermittingIndustry: GovernmentIndustry: CommercialType: Environmental Engineering+37 more

Spring Environmental Inc

Spokane, WA

Simplifying environmental and safety compliance through high-quality technical assistance

WebsitePhone1 office2 leaders8 credentialsFounded 1997Updated Jun 2026

Service detail: Environmental Compliance & Engineering

Service: Environmental Compliance & EngineeringService: Air Quality & PermittingService: Wastewater & Stormwater PermittingIndustry: Aggregates & QuarryingIndustry: AgricultureType: Environmental Engineering+28 more

TRICORD Consulting

Frisco, TX

We've Got Air Quality Covered

WebsitePhone7 offices6 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Air Quality Permitting

Service: Air Quality PermittingService: Air Quality Regulatory Compliance AnalysisService: Control Technology AnalysisIndustry: Oil & GasIndustry: PetrochemicalType: Environmental Engineering+25 more

TriMedia Environmental & Engineering Services, LLC

Marquette, MI

TriMedia Environmental & Engineering Services, LLC is a multi-discipline environmental, health and safety, industrial hygiene, and land surveying firm headquartered in Marquette, Michigan, with regional offices in Wisconsin, Montana, Arizona, and Nebraska. Founded in 1995, TriMedia serves clients in oil and gas, power generation, mining, manufacturing, construction, healthcare, and government markets. Services span Phase I/II Environmental Site Assessments, soil and groundwater investigations, remediation, hazardous waste management, industrial hygiene, occupational health and safety programs, GIS, and land surveying. The firm employs Professional Engineers, Certified Safety Professionals, Certified Industrial Hygienists, and Certified Hazardous Materials Managers, and has developed the Drive Learning platform for EHS workforce training.

WebsitePhone1 office2 leadersFounded 1995Updated Jun 2026

Service detail: Environmental Consulting

Service: Environmental ConsultingService: Phase I Environmental Site AssessmentsService: Phase II Environmental Site AssessmentsIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+30 more

Vanguard Environmental, Inc.

Broken Arrow, OK

North America's Foremost Expert in Regulatory Compliance

WebsitePhone1 office3 projects1 credentialsFounded 1992Updated Jun 2026

Project: SARA Title III and Hazardous Waste Compliance Assessment

Service: Environmental ComplianceService: Precision Due DiligenceService: Defensible DocumentationIndustry: ManufacturingIndustry: ChemicalsType: Environmental Engineering+27 more

Walden Environmental Engineering

Oyster Bay, NY

Walden Environmental Engineering is a full-service environmental consulting firm headquartered in Oyster Bay, New York, providing environmental engineering, EHS consulting, site remediation, regulatory compliance, emergency response planning, and environmental laboratory testing services to clients in New York and Connecticut.

Website1 office2 leadersUpdated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Site Planning and Design DevelopmentService: Environmental Remediation and AbatementIndustry: Environmental & RemediationIndustry: GovernmentType: Environmental Engineering+8 more

Whitman

Somerset, NJ

Creating Solutions. Exceeding Expectations.

WebsitePhone1 office10 leaders13 credentialsUpdated Jun 2026

Service detail: Environmental Consulting

Service: Environmental ConsultingService: Site RemediationService: Environmental InvestigationIndustry: Environmental & RemediationIndustry: Waste ManagementType: Environmental Engineering+18 more