Public engineering firm directory

Find engineering consulting firms by capability and location.

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AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 more

BSI Engineering

Customer Centric. Industry Experts. Inspired Solutions.

Website5 projectsSize Estimate: 250+ employeesUpdated Jun 2026

Project: Transforming Aviation Testing Facilities for Enhanced Performance

Service: Process EngineeringService: Process OptimizationService: DebottleneckingIndustry: ChemicalsIndustry: PharmaceuticalType: Process Engineering+22 more

CJSeto Support Services, LLC

Ventura, CA

CJSeto Support Services, LLC is an environmental compliance, safety, information technology, logistics, and workforce training firm headquartered in Ventura, California. Founded in 1999, CJSeto holds ISO 9001:2015 certification and serves federal agencies, educational institutions, healthcare providers, and commercial clients. Its environmental practice covers hazardous waste management, EPA and RCRA compliance, NEPA documentation, spill prevention planning, environmental monitoring and remediation, and asbestos and lead monitoring. Its safety and industrial hygiene practice encompasses OSHA compliance audits, indoor air quality testing, chemical inventory management, respiratory protection, and hazard assessments. Additional service areas include IT infrastructure, cybersecurity and information assurance, logistics and inventory management, and professional training including HAZWOPER, OSHA, and EPA compliance courses. Federal clients include the U.S. Navy, Department of Homeland Security, NASA, and the Veterans Administration.

WebsitePhone1 office1 credentialsFounded 1999Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Hazardous Waste ManagementService: Environmental Monitoring and SamplingIndustry: FederalIndustry: DefenseType: Environmental Engineering+22 more

Civil Design & Engineering, Inc.

Flagstaff, AZ

Building tomorrow's infrastructure, today

WebsitePhone2 officesFounded 1996Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater ManagementService: LOMR (Letter of Map Revision)Industry: ResidentialIndustry: CommercialType: Civil Engineering+20 more

Consolidated Environmental Engineering, LLC

Melbourne, FL

Land - Air - Water Consultants

WebsitePhone2 offices1 leaders2 credentialsFounded 1996Updated Jun 2026

Service detail: Environmental Sciences

Service: Environmental SciencesService: Environmental Site AssessmentsService: Habitat and Wildlife SurveysIndustry: Environmental & RemediationIndustry: Waste ManagementType: Environmental Engineering+28 more

ES Squared LLC

Grand Prairie, TX

Environmental, Safety & Technical Solutions

WebsitePhone2 offices5 leadersFounded 2008Updated Jun 2026

Service detail: Environmental Solutions

Service: Environmental SolutionsService: Air, Chemical, and Materials SamplingService: Environmental AssessmentsIndustry: CommercialIndustry: GovernmentType: Environmental Engineering+18 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

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

Filippin Engineering Inc

Goleta, CA

Providing quality CM, Inspection, and Civil Engineering Services exclusively to public agencies.

WebsitePhone3 officesFounded 2010Updated Jun 2026

Service detail: Construction Management and Inspection

Service: Construction Management and InspectionService: Construction Management ServicesService: Construction InspectionIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+16 more

Integrated Technologies, Inc.

Burlington, VT

Specialized design and engineering consulting for surface finishing and industrial manufacturing.

Website1 office4 projects1 leaders3 credentials2 publicationsFounded 1987

Project: The Rock Island Arsenal Surface Finishing Plant

Service: Project Planning & DevelopmentService: ScopingService: Cost EstimatingIndustry: AerospaceIndustry: DefenseType: Automation & Controls+28 more

MacConnell & Associates, P.C.

Cary, NC

Engineering Today For Tomorrow's Future

WebsitePhone1 office6 projects3 leadersFounded 1993Updated Jun 2026

Project: Heritage Pointe Subdivision - Drip Irrigation System

Service: Wastewater Collection and TreatmentService: Wastewater Treatment PlantsService: Biosolids, Residuals & Sludge ManagementIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+77 more

Ogden Engineering & Associates

Ogden Engineering & Associates, LLC is a chemical and environmental engineering firm founded in 1999 and registered in Arizona. Ogden Engineering & Associates assists clients with all facets of their operations from feasibility studies and permitting through final design, startup, and expansion, specializing in technology development, environmental remediation, and fuel and propulsion system development. Ogden Engineering serves defense, aerospace, energy, environmental, and biodiesel/biofuels industries through multidisciplinary team formation.

Website2 leadersFounded 1999Updated Jun 2026

Service detail: Process Design & Development

Service: Process Design & DevelopmentService: Equipment Specification & ProcurementService: Prototype Design & ManufacturingIndustry: DefenseIndustry: AerospaceType: Chemical Engineering+14 more

Radiological Solutions, Inc.

Huntersville, NC

The leader in innovative technology applications

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Water Chemistry & Treatment

Service: Water Chemistry & TreatmentService: Water TreatmentService: Noble Metals SamplingIndustry: NuclearIndustry: Power GenerationType: Process Engineering+11 more

S & A Environmental Consultants, LLC

Williamsburg, VA

Federal environmental engineering and compliance support

WebsitePhone1 office1 leaders3 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Water Quality AssessmentService: Hazardous Waste CharacterizationIndustry: DefenseIndustry: FederalType: Environmental Engineering+35 more

Stone Lion Environmental LLC

Rio Rancho, NM

Environmental Science and Environmental Restoration

Website1 office1 projects1 credentialsUpdated Jun 2026

Project: Sandia National Laboratories Beryllium Decontamination

Service: Classified Material Demilitarization ManagementService: Program Planning & CoordinationService: Environmental Management & SamplingIndustry: FederalIndustry: Environmental & RemediationType: Environmental Engineering+26 more