Public engineering firm directory

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A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects1 leadersFounded 1986Updated Jun 2026

Project: Flathead Lake Engineered Septic System

Service: PowerService: Substation DesignService: Transmission Line DesignIndustry: Electric UtilitiesIndustry: Land DevelopmentType: Civil Engineering+19 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

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

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 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

Ayres Associates Inc.

Ingenuity, Integrity, and Intelligence.

Website18 projectsUpdated Jun 2026

Project: Bent Tree Wind Farm

Service: Civil + Municipal EngineeringService: Roadway DesignService: Structural Design & InspectionIndustry: GovernmentIndustry: EducationType: Civil Engineering+29 more

Bartlett & West

Topeka, KS

Forward, Together

WebsitePhone1 office12 projectsFounded 1951Size Estimate: 200-500 employeesUpdated Jun 2026

Project: Missouri DOT Climbing Lane Design

Service: Transportation EngineeringService: Roadway and Highway DesignService: Climbing Lane and Intersection DesignIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+67 more

Blair, Church & Flynn Consulting Engineers

Clovis, CA

Service. Quality. Integrity.

WebsitePhone6 offices3 leaders5 credentialsFounded 1958Updated Jun 2026

Service detail: Planning, Permitting & Consulting

Service: Planning, Permitting & ConsultingService: Alternatives AnalysesService: Constructability ReviewsIndustry: Power GenerationIndustry: Electric UtilitiesType: Civil Engineering+72 more

Blew & Associates, P.A.

Fayetteville, AR

National Surveying, Engineering, and Assessment Firm

WebsitePhone1 office1 publicationsFounded 1891Updated Jun 2026

Service detail: ALTA/NSPS Land Title Surveys

Service: ALTA/NSPS Land Title SurveysService: Property boundariesService: Legal property descriptionsIndustry: CommercialIndustry: Land DevelopmentType: Land Surveying+79 more

C2 Group

San Diego, CA

A Modern Program Management Company

WebsitePhone2 offices2 projects1 credentialsUpdated Jun 2026

Project: San Diego Roadway As-Built Mapping

Service: Engineering and PM/CM ServicesService: Project ManagementService: Construction ManagementIndustry: InfrastructureIndustry: Electric UtilitiesType: Civil Engineering+24 more

CDG Engineers, Inc.

St. Louis, MO

Engineering a better way.

WebsitePhone4 offices2 projects1 leadersFounded 1992Size Estimate: 100+ employees

Project: Cedar Rapids Reach 1 Flood Protection

Service: Architectural EngineeringService: Civil EngineeringService: Flood ProtectionIndustry: UtilitiesIndustry: Electric UtilitiesType: Civil Engineering+22 more

CEC Corporation

Oklahoma City, OK

Get Stuff Built Right

WebsitePhone8 offices18 leaders4 credentialsFounded 1921Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Transportation Design and PlanningService: Bridge Design and InspectionsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+28 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

CLC Engineering, LLC

Alexandria, LA

CLC Engineering is a consulting practice based in Alexandria, Louisiana, known for its focused, client-driven approach and responsive service. It specializes in civil and structural engineering for foundations, substations, switchyards, and transmission and distribution lines. Additional services include electrical design for high-voltage systems, environmental services, and forensic engineering inspections for industrial, commercial, and residential structures. Licensed in all 50 states and one U.S. territory, CLC manages projects across the continental United States and internationally.

WebsitePhone1 office3 leaders3 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Civil Design

Service: Civil DesignService: Storm DrainageService: Site GradingIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Civil Engineering+38 more

CMA Architects & Engineers LLC

Guaynabo, PR

Designing Today the Puerto Rico of Tomorrow

WebsitePhone1 office23 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Space ProgrammingService: Facilities Master PlanningIndustry: Affordable HousingIndustry: CommercialType: Architecture & Engineering+113 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Celadon Technologies, LLC

Rockville, MD

Solutions for Water, Wastewater, and Energy Efficiency

WebsitePhone1 officeUpdated Jun 2026

Service detail: Water Infrastructure Engineering

Service: Water Infrastructure EngineeringService: Small & Large Diameter Distribution MainsService: Transmission Main DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+31 more

Civil Renewables, Inc.

Thornton, CO

Build on a Solid Foundation!

WebsitePhone1 office2 leaders1 credentials5 publicationsSize Estimate: 1-10 employees

Service detail: Geotechnical Consulting

Service: Geotechnical ConsultingService: Desktop StudiesService: Preliminary Geotechnical InvestigationsIndustry: Renewable EnergyIndustry: WindType: Civil Engineering+30 more

Cobb, Fendley & Associates, Inc.

Houston, TX

Progress Made Possible

WebsitePhone4 offices7 projects18 leaders7 credentialsFounded 1980

Project: Sam Bass Road Widening Project

Service: Construction ManagementService: Provides OversightService: AdministrativeIndustry: Land DevelopmentIndustry: EducationType: Civil Engineering+64 more

Columbia Engineering Group

Washougal, WA

Engineering Excellence with Comprehensive Full Service Solutions

WebsitePhone1 office6 projects5 leadersUpdated Jun 2026

Project: Forensic Services Unit Chiller Replacement

Service: Mechanical EngineeringService: HVAC System DesignService: Building AutomationIndustry: CommercialIndustry: RetailType: MEP+70 more

Crist Engineers, Inc.

Little Rock, AR

Quality Engineering In Water & Wastewater Management

WebsitePhone2 offices9 projects14 leadersFounded 1938Updated Jun 2026

Project: Paragould Wastewater Treatment Plant Headworks Improvements

Service: Civil EngineeringService: Water EngineeringService: Planning & Computer ModelingIndustry: GovernmentIndustry: UtilitiesType: Automation & Controls+24 more

Custom Engineering Solutions

Alpharetta, GA

An electrical, civil, and structural engineering corporation offering comprehensive utility and power services.

WebsitePhone2 offices3 leaders6 credentialsUpdated Jun 2026

Service detail: Substation Design and Relaying

Service: Substation Design and RelayingService: Physical Substation LayoutService: Protection and Control Panel DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+39 more

DCCM

Houston, TX

Design. Consulting. Construction Management.

WebsitePhone1 office5 projects5 leadersFounded 1950Size Estimate: 1,100 employees

Project: Sir Francis Drake Corridor Rehabilitation

Service: Infrastructure Design and ConsultingService: Planning and EngineeringService: Architecture and SurveyingIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+33 more