Public engineering firm directory

Find engineering consulting firms by capability and location.

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

Aeparmia Engineering PLLC

Austin, TX

Innovative Engineering Solutions for Utility Challenges & Needs

WebsitePhone3 offices13 projects1 leaders5 credentialsFounded 2017

Project: I-35 NEX South Project Electric and Telecom Utility Relocations

Service: Power and Fiber Utilities EngineeringService: Subsurface Utilities Engineering (SUE)Service: Public and Private Utilities Coordination and Conflict AnalysisIndustry: CommercialIndustry: ResidentialType: Civil Engineering+38 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

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

Catawba Valley Engineering & Testing, P.C.

Hickory, NC

Geotechnical engineering, environmental services, construction materials testing, and special inspections provider

Website2 offices6 leaders1 credentialsFounded 2012Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Exploration & TestingService: Geostructural DesignIndustry: CommercialIndustry: TransportationType: Geotechnical Engineering+14 more

Civil Engineering Consultants, Inc.

Marietta, GA

Engineering Design Expertise

WebsitePhone1 office10 projectsFounded 1986Updated Jun 2026

Project: 105 MGD Lake Lanier Raw Water Intake Facility

Service: Water ReclamationService: Studies & PlanningService: Feasibility studiesIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+61 more

Ecological Resource Consultants, Inc.

Stream Restoration, Fisheries Ecology & Water Resources

Website6 projectsUpdated Jun 2026

Project: Blue River Stream Restoration

Service: Stream & Fishery EnhancementsService: Natural Channel DesignService: Fishery Habitat ImprovementsIndustry: Water ResourcesIndustry: Environmental & RemediationType: Environmental Engineering+20 more

Effective Project Corporation

Overland Park, KS

Innovation in Design + Design/Build

WebsitePhone1 officeFounded 2000Updated Jun 2026

Service detail: Conceptualization

Service: ConceptualizationService: Preliminary Project ReportsService: Feasibility StudiesIndustry: Power GenerationIndustry: IndustrialType: Process Engineering+44 more

Electrical Consultants, Inc.

Billings, MT

Engineering with Distinction

WebsitePhone1 office3 projects17 leadersFounded 1985Size Estimate: 1,200+ employees

Project: Roseland BESS

Service: Transmission EngineeringService: Overhead and Underground TransmissionService: Land Survey and Construction StakingIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+36 more

Endeavor Professional Services, LLC

State College, PA

Engineering Excellence for the Future

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering & Permitting

Service: Civil Engineering & PermittingService: Preliminary Site Scouting, Routing, and SelectionService: Facility DesignIndustry: Oil & GasIndustry: UtilitiesType: Civil Engineering+29 more

FC&E Engineering, LLC

Brandon, MS

Engineered Solutions to Environmental Challenges

WebsitePhone1 office17 leaders4 credentialsFounded 2004Updated Jun 2026

Service detail: Environmental Permitting and Compliance

Service: Environmental Permitting and ComplianceService: Turnkey Environmental PermittingService: Environmental Compliance AuditsIndustry: AgricultureIndustry: AerospaceType: Civil Engineering+43 more

Global Environmental

Holly, MI

Cleaner air. Safer water. Restored soil.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Water Treatment and Filtration

Service: Water Treatment and FiltrationService: Treatment System Builds, Operation, and MaintenanceService: Carbon Change Outs and Spent Media DisposalIndustry: IndustrialIndustry: MiningType: Environmental Engineering+55 more

HDR

Bellevue, WA

Designing smart to make today better and tomorrow brighter

Website1 office10 projects10 leadersSize Estimate: 14,000+ employeesUpdated Jun 2026

Project: NASA Goddard Space Flight Center Instrument Development Facility

Service: Architectural and Engineering DesignService: Lighting DesignService: Tenant ImprovementIndustry: AerospaceIndustry: SpaceType: Architecture & Engineering+59 more

HHNT Environmental Consulting

Macon, GA

Do What it Takes for Success

Website6 offices6 projects13 leadersFounded 1990Size Estimate: 50-99 employeesUpdated Jun 2026

Project: Surface Mine Permitting

Service: Engineering DesignService: Site and Facility DesignService: Stormwater and Erosion Control DesignIndustry: Waste ManagementIndustry: MiningType: Environmental Engineering+30 more

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

Keithline Engineering Group, PLLC

Deliver a Quality Project, On Time and Within Budget, That Exceeds Expectations

Website1 leaders8 credentialsFounded 2009Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Condition Assessment & Reconnaissance

Service: Condition Assessment & ReconnaissanceService: Site ReconnaissanceService: Condition AssessmentsIndustry: Water ResourcesIndustry: TransportationType: Civil Engineering+27 more

LJA Program Management LLC

Houston, TX

. Client Focused.

WebsitePhone5 offices3 projects5 credentialsFounded 1972Updated Jun 2026

Project: Ranew's E-Coat Masterplan

Service: Aviation ServicesService: Civil EngineeringService: Public Infrastructure and WorksIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+75 more

McMillen

Boise, ID

Because it matters.

WebsitePhone1 office30 projects3 credentialsFounded 2002Size Estimate: 50-100 employees

Project: Pacificorp Engineering Services

Service: Water Retention InfrastructureService: Heavy Civil and Concrete WorkService: Spillway and Gate RehabilitationIndustry: HydroelectricIndustry: Renewable EnergyType: Civil Engineering+33 more

Modern Custom Design, LLC

Indian Harbour Beach, FL

Creating a Modernized Approach to Civil Engineering and Construction for Your Project

Website1 office2 credentialsFounded 2009Updated Jun 2026

Service detail: Professional Engineering Design

Service: Professional Engineering DesignService: Civil EngineeringService: Geotechnical EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+23 more

NTB Associates, Inc.

Shreveport, LA

Survey. Design. Build. Succeed.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary and property surveysService: Topographic and site surveysIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+35 more

NovelESolutions

Engineering | Environment | Earth

Website6 projects1 leaders1 credentialsFounded 2015Updated Jun 2026

Project: Louisville District Reservoirs Water Quality Sampling

Service: Environmental Engineering and RemediationService: Contamination Assessment and RemediationService: Storage System ClosureIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+13 more

Orion Group Holdings, Inc.

Houston, TX

Construction with Predictable Excellence

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Vigor Harbor Island Habitat Restoration

Service: Marine ConstructionService: Pier and wharf constructionService: Coastal and waterfront structuresIndustry: MarineIndustry: DefenseType: Marine Engineering+18 more

R&D Structural & Marine Engineering

Houston, TX

Bringing Ideas & Innovations to Life

WebsitePhone1 office5 projects8 credentialsUpdated Jun 2026

Project: Temporary Bridge Inspection and Permitting - Curtis and Sons

Service: Structural EngineeringService: Oilfield Drilling Structural DesignService: Tier IV EPA RetrofitsIndustry: Oil & GasIndustry: MarineType: Civil Engineering+30 more