Public engineering firm directory

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Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Anchorpoint Engineering Inc

College Station, TX

Power Delivery Engineering built for real-world execution

Website4 officesUpdated Jun 2026

Service detail: Transmission Engineering

Service: Transmission EngineeringService: Line Design and ModelingService: PLS-CADD Modeling and AnalysisIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+39 more

Ascent Signal LLC

Electrical control and signaling systems design for transit and transportation infrastructure

WebsiteUpdated Jun 2026

Service detail: Railroad and Transit Systems

Service: Railroad and Transit SystemsService: Train Control System EngineeringService: Rail Transit Communication SystemsIndustry: RailIndustry: TransitType: Automation & Controls+14 more

Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 more

CAS Consulting & Services, Inc.

Austin, TX

Civil engineering, program management, and construction management solutions for water, wastewater, and transportation infrastructure

WebsitePhone4 offices6 projects8 leaders25 credentialsFounded 1999

Project: Huebner Creek Regional Stormwater Facility

Service: Water & Wastewater EngineeringService: Water Distribution Evaluation and DesignService: Collection System Design and RehabilitationIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more

Charles A. Manganaro Consulting Engineers, P.C.

Tarrytown, NY

Distinct personal engineering service designed to build foundations and trust that last.

WebsitePhone1 office5 projects1 leaders4 credentialsFounded 1942

Project: PVSC Interceptor System and Wastewater Treatment

Service: Water EngineeringService: Surface and Groundwater TreatmentService: Water Supply and DistributionIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+28 more

Chastain & Associates LLC

Creating infrastructure for 70 years.

Website1 projects3 leadersSize Estimate: 80+ employeesUpdated Jun 2026

Project: Village of Oak Park Right-of-Way Permitting Services

Service: Transportation EngineeringService: Expressways, Interstates, Tollways, and HighwaysService: Safety and Feasibility StudiesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+52 more

CityScape Engineering PLLC

Port Washington, NY

Solutions Engineered

Website1 office11 projects1 leadersFounded 2009Updated Jun 2026

Project: 1007 Union Ave

Service: Structural EngineeringService: Building Additions & AlterationsService: Historic RestorationsIndustry: Multifamily ResidentialIndustry: CommercialType: Structural Engineering+20 more

Coastline Rail Engineering LLC

Houston, TX

Built for Excellence

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil and Transportation Infrastructure

Service: Civil and Transportation InfrastructureService: Feasibility Analysis and PlanningService: Plans, Specifications, and EstimatesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+25 more

Cowan Group Engineering, LLC

Oklahoma City, OK

Enduring Engineering Solutions

WebsitePhone1 office14 projects4 leadersFounded 2012Size Estimate: 45+ employees

Project: Terminal Drive

Service: Transportation Planning and DesignService: Highways and StreetsService: Turnpikes and TollingIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more

Crouch Engineering Inc

Brentwood, TN

Meeting All Your Railroad Engineering Needs

WebsitePhone1 office1 projects1 leaders1 credentialsFounded 1991

Project: Roanoke Passenger Platform

Service: Bridge EngineeringService: Bridge Inspection and Load RatingService: Railroad Bridge DesignIndustry: RailIndustry: TransitType: Civil Engineering+20 more

DJ&A, P.C.

Missoula, MT

Engineering, Surveying, Environmental & Planning Services

WebsitePhone3 officesFounded 1973Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and Highway DesignService: Logging Road EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+43 more

Design West Engineering

San Bernardino, CA

Engineering Excellence Since 2000

WebsitePhone2 offices12 projects11 leaders12 credentials1 publications

Project: SBCUSD Páxam Páxam Welcome Center

Service: Mechanical EngineeringService: Central utility plant engineeringService: HVAC retrofits and equipment upgradesIndustry: EducationIndustry: Data CentersType: MEP+37 more

EPU Engineering

Jacksonville, FL

Railroad Signaling, R&D, and Consulting

Website1 office1 publicationsUpdated Jun 2026

Service detail: Railroad Signal Engineering

Service: Railroad Signal EngineeringService: Grade CrossingsService: Interlockings and CTCIndustry: RailIndustry: TransportationType: Electrical Engineering+14 more

Falcon Engineering Services Inc

Temecula, CA

Providing Innovative Construction Solutions

WebsitePhone1 office6 projects11 leadersFounded 2009Updated Jun 2026

Project: 71/91 Interchange Project

Service: Project ManagementService: Program and Project ManagementService: Project SchedulingIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+29 more

GKW Engineering

San Antonio, TX

Giving You Direction

WebsitePhone1 office2 leaders1 credentialsFounded 2000Updated Jun 2026

Service detail: Transportation Design

Service: Transportation DesignService: Roadway Design SupportService: Route Studies and Schematic DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+19 more

GeoEngineers

Redmond, WA

Caring people. Quality work.

Website4 offices5 projects3 leaders3 credentialsSize Estimate: 200-500 employeesUpdated Jun 2026

Project: 1918 Eighth Avenue Shoring Design

Service: Geotechnical EngineeringService: Foundation Design and RecommendationsService: Shoring and Support of Excavation DesignIndustry: Power GenerationIndustry: UtilitiesType: Geotechnical Engineering+65 more

Huval Associates Inc

Lafayette, LA

Engineering Louisiana’s Future

WebsitePhone1 officeFounded 1989Updated Jun 2026

Service detail: Roadway Engineering

Service: Roadway EngineeringService: Roadway DesignService: Highway Widening and ReconstructionIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+62 more

I3 Engineering & Consulting, LLC

Bridgeport, WV

Integrity. Initiative. Innovation.

WebsitePhone1 office3 leaders3 credentialsFounded 2013Size Estimate: 35-49 employees

Service detail: Facilities Design & Engineering

Service: Facilities Design & EngineeringService: Piping & Mechanical DesignService: Electrical EngineeringIndustry: Oil & GasIndustry: InfrastructureType: Civil Engineering+10 more

IDCUS

Houston, TX

IDCUS is a Texas-based infrastructure consulting and engineering firm with more than two decades of experience delivering planning, civil engineering, and construction management services to public agencies statewide. Its professional team has supported more than $10 billion in infrastructure development for clients including the City of Houston, the City of San Antonio, TxDOT, Harris and Fort Bend counties, VIA Metropolitan Transit, and Houston METRO, covering city streets, drainage systems, major highways, toll roads, and transit networks.

WebsitePhone3 officesUpdated Jun 2026

Service detail: Highway Design and PS&E

Service: Highway Design and PS&EService: County Engineering and DesignService: Construction Engineering and InspectionIndustry: Highways & RoadsIndustry: InfrastructureType: Civil Engineering+10 more

ISOTEK Engineering Group

Riverside, CA

MEP, Structural & Energy Consultant

WebsitePhone5 offices16 projectsUpdated Jun 2026

Project: Academy of Math & Science - Baseline

Service: Civil EngineeringService: Site Development PlanningService: Infrastructure RehabilitationIndustry: CommercialIndustry: RetailType: Civil Engineering+39 more

Ifland Engineers, Inc.

Santa Cruz, CA

Civil engineering, structural design, and development planning across the Monterey Bay and South San Francisco Bay

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: 1440 Multiversity

Service: Civil EngineeringService: Grading DesignService: LID Stormwater ManagementIndustry: ResidentialIndustry: Affordable HousingType: Civil Engineering+63 more

Interrail Engineering Inc

Jacksonville, FL

Keeping the Trains Moving and Our Citizens Safe

WebsitePhone1 office9 projects6 leaders1 credentialsFounded 1997

Project: Norfolk Southern Railroad PTC Installation

Service: Engineering and DesignService: Application ProgrammingService: Computer Aided DraftingIndustry: RailIndustry: TransitType: Automation & Controls+31 more