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.

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3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026
Service: Civil EngineeringService: Septic System Design and TestingIndustry: ResidentialType: Civil Engineering+21 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects
Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more

A-Tech Consulting, Inc.

Orange, CA

Creating A Safer Tomorrow, Today

WebsitePhone4 offices7 leaders
Service: Industrial HygieneService: Asbestos Survey and ConsultingIndustry: Environmental & RemediationType: Environmental Engineering+23 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects
Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringIndustry: AirportsType: Civil Engineering+43 more

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988
Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationIndustry: CommercialType: Geotechnical Engineering+27 more

AET Inc.

AET Inc. is an environmental testing, consulting, and investigative firm with over 30 years of experience and more than 50,000 completed projects. Serving Pennsylvania, New Jersey, and Delaware, AET Inc. specializes in lead, asbestos, mold, indoor air quality, industrial hygiene, environmental contracting, and environmental consulting. AET's certified environmental professionals deliver fast turnaround reporting to protect people, properties, and communities.

WebsiteUpdated Jun 2026
Service: Lead Testing and ConsultingService: Asbestos Testing and ConsultingIndustry: CommercialType: Environmental Engineering+7 more

AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026
Service: Optical Design and EngineeringService: Advanced Optical DesignIndustry: AerospaceType: Electrical Engineering+28 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingIndustry: Renewable EnergyType: Civil Engineering+59 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects
Service: Civil EngineeringService: Strategic Planning and Land UseIndustry: Environmental & RemediationType: Civil Engineering+44 more

AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects
Service: TransportationService: Roadway DesignIndustry: GovernmentType: Civil Engineering+53 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publications
Service: Energy ConsultingService: Commercial Energy AuditsIndustry: CommercialType: Mechanical Engineering+29 more

Acceptance Engineering

Nazareth, PA

Sustainable Project Turnover Commissioning

WebsitePhone1 office1 leaders
Service: CommissioningService: Sustainable Project Turnover CommissioningIndustry: HealthcareType: Owner's Engineer+11 more

Accolade Technologies LLC

Annapolis Junction, MD

Empowering organizations through technology

Website1 office2 credentialsFounded 2019
Service: Software DevelopmentService: CybersecurityIndustry: GovernmentType: Software Engineering+28 more

Aditi Consulting

Bellevue, WA

Global. Innovative. Transformative.

WebsitePhone1 office5 projects
Service: AI + Data TransformationService: Data Strategy & ArchitectureIndustry: Financial ServicesType: Software Engineering+25 more

Advanced Rotorcraft Technology Inc

Fremont, CA

A Leader in Rotorcraft Simulation

WebsitePhone1 office5 projects
Service: Aircraft Design and AnalysisService: Parametric StudiesIndustry: AerospaceType: Aerospace Engineering+28 more

Air Resource Specialists, Inc.

Fort Collins, CO

A leader in the field of air quality for over 40 years.

Website1 office8 projects1 leaders
Service: Air MonitoringService: Criteria Pollutants MonitoringIndustry: GovernmentType: Environmental Engineering+35 more

All About Pavements, Inc.

Chatham, IL

Leading the pavement consulting industry

WebsitePhone1 office3 leaders
Service: Nondestructive Deflection TestingService: Falling Weight Deflectometer (FWD) TestingIndustry: AirportsType: Civil Engineering+27 more

Alliance Technical Group

Decatur, AL

Alliance Technical Group is a full-service environmental services company founded in 2000 in Decatur, Alabama, with over 2,200 employees and more than 60 testing and laboratory locations across the United States and Canada. Alliance helps industrial, manufacturing, energy, and government clients achieve environmental compliance through on-site testing and monitoring, laboratory testing and analysis, and regulatory consulting. The company operates 110-plus mobile laboratories and delivers services across stack testing, LDAR, ambient air monitoring, CEMS, and environmental consulting.

WebsitePhone1 office4 leaders
Service: Environmental ComplianceService: Regulatory StrategyIndustry: IndustrialType: Environmental Engineering+21 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects
Service: Geotechnical EngineeringService: Subsurface Site InvestigationIndustry: CommercialType: Geotechnical Engineering+94 more

Alpha Terra Engineering

San Antonio, TX

Architecture Engineering Environment

WebsitePhone1 office5 projects
Service: Architectural and Engineering DesignService: Full-service Facility RenovationsIndustry: GovernmentType: Architecture & Engineering+27 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders
Service: Construction ServicesService: Construction Materials Testing & Special InspectionsIndustry: AgricultureType: Geotechnical Engineering+53 more

Appledore Marine Engineering, LLC

Portsmouth, NH

Specializing in waterfront engineering

WebsitePhone1 office7 projects
Service: Engineer-DiversService: InspectionsIndustry: FederalType: Marine Engineering+17 more

Applied Technical Services

Founded in 1967, Applied Technical Services (ATS) is a nationwide testing, inspection, and certification (TIC) provider with expertise in structural engineering, forensic engineering, calibration, and materials testing. ATS serves more than 15 industries including aerospace, automotive, defense, healthcare, and manufacturing, evaluating raw materials, individual components, and complex systems through metallurgy and materials testing, chemical analysis, nondestructive testing, mechanical testing, and calibration services. ATS joined SGS, the world's leading TIC company, while continuing to operate under its own brand and service standards.

WebsiteFounded 1967Updated Jun 2026
Service: CalibrationService: Avionics CalibrationIndustry: AerospaceType: Structural Engineering+46 more