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.

Filters2

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Engineering and Project Management

Service: Engineering and Project ManagementService: Mechanical EngineeringService: Electrical EngineeringIndustry: NuclearIndustry: Environmental & RemediationType: Environmental Engineering+31 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

A.D.A. Engineering, Inc.

Doral, FL

Applying the Latest Technology

WebsitePhone2 offices1 credentialsFounded 1981Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land/Site DevelopmentService: Canal Bank StabilizationIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+40 more

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects1 credentialsFounded 1995Updated Jun 2026

Project: Windmill Farm Initial Planning Study

Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentService: Phase III Environmental AssessmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+34 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

ALC Engineering

Buffalo, WY

More Than Just a Project

WebsitePhone2 officesFounded 2010Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: GPS and Total Station SurveyingService: UAV and Aerial Survey and MappingIndustry: Oil & GasIndustry: GovernmentType: Civil Engineering+27 more

AOK Engineering, PLLC

Gouverneur, NY

From Start-to-Finish with Real People in Mind

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: New Parcel InvestigationService: Site Planning and ComplianceIndustry: ResidentialIndustry: CommercialType: Civil Engineering+31 more

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects7 leadersFounded 1994Updated Jun 2026

Project: ATOKA Bioremediation Project

Service: Civil EngineeringService: Strategic Planning and Land UseService: Infrastructure DevelopmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+42 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Acker & Associates

Green Bay, WI

Consulting engineering, audits and analysis

WebsitePhone1 office4 projects1 leaders3 credentials3 publications

Project: Curwood Gas-Fired Make-Up Air System Design

Service: Condensation & Moisture AnalysisService: Building Water Vapor TransmissionService: Blower Door & Infrared DiagnosticsIndustry: Pulp & PaperIndustry: IndustrialType: Mechanical Engineering+23 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders2 credentialsFounded 1935Size Estimate: 90 employees

Project: Braddocks Mill Dam

Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignService: Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

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

Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leadersFounded 1993Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Environmental EngineeringIndustry: Oil & GasIndustry: ManufacturingType: Civil Engineering+26 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Alpha Terra Engineering

San Antonio, TX

Architecture Engineering Environment

WebsitePhone1 office5 projects1 leaders3 credentialsFounded 1997

Project: Overton-Brooks VAMC Parking Garage Addition

Service: Architectural and Engineering DesignService: Full-service Facility RenovationsService: New Construction DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+25 more

Anderson Psomas

Saratoga Springs, UT

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential Subdivisions and Custom HomesService: Septic System DesignIndustry: ResidentialIndustry: MiningType: Civil Engineering+21 more

Animas Environmental Services, LLC

Farmington, NM

Animas Environmental Services, LLC is an environmental engineering and consulting firm based in Farmington, New Mexico, providing comprehensive environmental services throughout the Four Corners region (New Mexico, Colorado, Arizona, Utah) and the Mountain West since 1999. Animas Environmental's multidisciplinary staff includes Professional Environmental Engineers, Professional Geologists, Environmental Scientists, Certified Hazardous Materials Managers, Environmental Technicians, Certified Drinking Water Sampling Technicians, and CAD/GIS Technicians. Animas Environmental offers services ranging from minor project consulting to complete turn-key environmental operations.

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Environmental Permitting & Planning

Service: Environmental Permitting & PlanningService: Environmental Due DiligenceService: Site Assessment, Investigation & RemediationIndustry: Oil & GasIndustry: Environmental & RemediationType: Environmental Engineering+5 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

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

BB&E

Northville, MI

Better, Faster, Different

WebsitePhone4 offices4 projects26 leadersFounded 2002Size Estimate: 375+ employees

Project: Air National Guard PFAS Assessments Nationwide

Service: Environmental EngineeringService: Environmental Assessments & InvestigationsService: PFAS AssessmentIndustry: FederalIndustry: DefenseType: Civil Engineering+10 more