Public engineering firm directory

Find engineering consulting firms by capability and location.

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Ardurra Group, Inc.

Miami, FL

Collaborate. Innovate. Create.

WebsitePhone2 offices1 projects7 leaders8 credentialsFounded 1901

Project: Southwest Wyoming Regional Airport Terminal Expansion and Modernization

Service: Water / Wastewater EngineeringService: Water SupplyService: Wastewater Treatment PlantsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+75 more

Ascend Consulting & Engineering PLLC

Houston, TX

Engineering Water Systems Beyond Expectation

WebsitePhone1 office1 leaders1 credentialsFounded 2020Size Estimate: 1-10 employees

Service detail: Project Management

Service: Project ManagementService: Scope and Budget ControlService: Inter-agency CoordinationIndustry: Stormwater & Flood ControlIndustry: WastewaterType: Civil Engineering+34 more

Degenkolb Engineers

San Francisco, CA

Building a better future through innovative solutions

Website11 offices7 leaders1 credentialsFounded 1940Size Estimate: 250-500 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Building DesignService: Seismic RetrofitIndustry: HealthcareIndustry: EducationType: Structural Engineering+27 more

Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

G3 Water Engineers LLC

Boise, ID

Custom Engineered Water and Wastewater Treatment Solutions

WebsitePhone1 office11 projectsUpdated Jun 2026

Project: Arizona Beverage Producer Treatment Facility Design

Service: Water and Wastewater Treatment EngineeringService: Treatment Process DesignService: Process OptimizationIndustry: WastewaterIndustry: Water SupplyType: Design-Build+21 more

Heath Lineback Engineers Inc

Marietta, GA

Quality: It Stands Behind Everything We Do

WebsitePhone1 office7 projects1 leaders4 credentialsFounded 1994

Project: Hartsfield-Jackson Atlanta International Airport 5th Runway Bridge Structure

Service: Bridge and Structural EngineeringService: Bridge and Culvert DesignService: Structural Inspection and MaintenanceIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+24 more

Infra Tech Engineering, LLC

New York, NY

Let Us Show You How.

WebsitePhone1 office6 projects2 leaders1 credentialsFounded 1983

Project: NYSDOT - Route 347 Reconstruction

Service: Traffic and Transportation EngineeringService: Traffic Signal Design and AnalysisService: Transportation Management PlansIndustry: TransitIndustry: TransportationType: Civil Engineering+33 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

MachineLife

Littleton, CO

Custom Solutions for the Mining Industry

WebsitePhone1 office13 projects5 credentialsUpdated Jun 2026

Project: Haul Truck Chassis Durability Analysis

Service: Failure Investigations & Root Cause AnalysisService: Strength and Fatigue Life AssessmentsService: Remaining Useful Life ProjectionsIndustry: MiningIndustry: Ports & HarborsType: Mechanical Engineering+37 more

Martin Design Group, LLC

Lindstrom, MN

Delivering Precise Engineering Across Minnesota and Wisconsin

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Airport Engineering Design

Service: Airport Engineering DesignService: FAA AIP Grant NavigationService: Airfield Pavement Rehabilitation and MaintenanceIndustry: AirportsIndustry: AviationType: Civil Engineering+33 more

Parra & Co

San Antonio, TX

Boutique-level site civil, drainage, and infrastructure engineering for Texas growing communities

WebsitePhone2 offices9 projects1 credentialsUpdated Jun 2026

Project: Palo Alto College Drainage System Improvement

Service: Stormwater and Drainage EngineeringService: Stormwater Management PlansService: Hydrological and Hydraulic AnalysisIndustry: TransitIndustry: EducationType: Civil Engineering+33 more

Stellaris Development Consulting

Richmond, VA

Your Partner in Innovative Water Solutions

WebsitePhone2 offices1 projectsFounded 2018Size Estimate: 11-50 employeesUpdated Jun 2026

Project: Water Resource Development for Hyperscale Data Centers

Service: Water Resources and Infrastructure PlanningService: Water Resources PlanningService: Precision Infrastructure EngineeringIndustry: Data CentersIndustry: GovernmentType: Owner's Engineer+15 more

Torres-Rosa Consulting Engineers

Guaynabo, PR

Civil, environmental, and water resources engineering consulting with over 25 years of professional experience.

WebsitePhone1 office2 projects2 leadersFounded 2002Updated Jun 2026

Project: Puerto Rico Aqueduct and Sewer Authority Dam Advisory

Service: Water Resources EngineeringService: Sediment Transport & Erosion ControlService: River and Stream RestorationIndustry: Water ResourcesIndustry: Water SupplyType: Civil Engineering+41 more

Trussell Technologies, Inc.

Pasadena, CA

Safe and sustainable solutions in water, wastewater, reuse, and desalination

WebsitePhone3 offices7 projects23 leadersFounded 2003Size Estimate: 10-99 employees

Project: San Diego Pure Water Program North City Pure Water Facility

Service: Water Reuse Planning and Treatment EngineeringService: Non-Potable Reuse ExpansionService: Potable Reuse EngineeringIndustry: Water SupplyIndustry: WastewaterType: Environmental Engineering+32 more

WFT Engineering, Inc.

Rockville, MD

Engineering Excellence Across the DMV

WebsitePhone1 office7 projectsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Bowie State University Center for Natural Sciences, Mathematics & Nursing

Service: Mechanical EngineeringService: HVAC Air-side and Hydronic DistributionService: Central Utility Plants and District SystemsIndustry: CommercialIndustry: GovernmentType: MEP+34 more