Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 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

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

Armstrong Glen, P.C.

Charlotte, NC

Armstrong Glen, P.C. is a civil engineering consulting practice that provides professional engineering services throughout North and South Carolina. Founded in 1997, it focuses on quality of service, reliability, and accuracy, remaining committed to listening to client needs. The practice primarily serves local municipalities and counties on multi-year, reoccurring contracts ranging from capital stormwater projects to on-call structural services.

WebsitePhone2 offices8 projectsFounded 1997Updated Jun 2026

Project: Celia Avenue Culvert Project

Service: StormwaterService: Stormwater Capital ImprovementsService: Pond RehabilitationIndustry: Stormwater & Flood ControlIndustry: Water SupplyType: Civil Engineering+26 more

Atwell & Gent, P.A.

Starkville, MS

Client-focused, project-driven electrical engineering and consulting

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Mary Haughton 46 kV Transmission Line

Service: Power Systems EngineeringService: Transmission Line DesignService: Substation DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+8 more

BSI Engineering & Surveying, Inc.

Eufaula, AL

Engineering, surveying, and environmental services across the southeast

WebsitePhone3 offices9 projects5 leadersFounded 1994Updated Jun 2026

Project: North Railroad Drainage Study

Service: PlanningService: Site Selection & AnalysisService: Site Assessment ReportsIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+36 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

Benchmark Management LLC

Atlanta, GA

People. Process. Results.

WebsitePhone1 office6 projectsFounded 2003Updated Jun 2026

Project: Old Alabama Road 48-Inch Water Transmission Main Relocation

Service: Engineering and DesignService: Water transmission and distribution main designService: Sanitary sewer design and rehabilitationIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+18 more

Brixey Engineering & Land Surveying, Inc.

Fort Smith, AR

From start to finish, we help get the job done!

WebsitePhone1 office5 leadersFounded 1984Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial Development PlanningService: Subdivision Design & PlattingIndustry: CommercialIndustry: RetailType: Civil Engineering+27 more

Burns & McDonnell

Making Our Clients Successful

Website4 projects1 leaders1 credentials1 publicationsFounded 1898Updated Jun 2026

Project: Replacement Passenger Terminal

Service: Engineering DesignService: Civil and structural engineeringService: Mechanical, electrical, and plumbing (MEP) engineeringIndustry: Power GenerationIndustry: Power Transmission & DistributionType: Architecture & Engineering+29 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

Cardozo Engineering, Inc.

Civil, environmental, and process-mechanical engineering for municipal water and wastewater systems

Website23 credentialsFounded 1999Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Sanitary Sewers and Pump Station DesignService: Wastewater Treatment SystemsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+19 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

Ceteris, Inc.

Marianna, FL

Ceteris, Inc. is a full-service design-build, engineering and construction practice headquartered in Marianna, Florida. Specializing in government consulting and civil construction, it delivers transportation infrastructure, water systems, airport facilities, and commercial buildings for federal agencies, state transportation departments, and local governments. Florida Professional Engineer and General Contractor licenses support work from design through construction completion, and FDOT prequalifications in highway design, signing and pavement marking, roadway construction engineering inspection, systems planning, and transportation statistics underpin its transportation practice.

WebsitePhone1 office9 projects7 credentialsUpdated Jun 2026

Project: SR 75 (US 231) RRR Design

Service: Engineering ServicesService: Highway & Roadway DesignService: Bridge Design & ReplacementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+15 more

Civitas Engineering Group, Inc.

Houston, TX

Innovative engineering, infrastructure, and technical solutions

WebsitePhone3 offices7 projects2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Project: Dallas Water Utilities Strategic Plan

Service: WaterService: Water TreatmentService: Pumping FacilitiesIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 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

Commonwealth Associates, Inc.

Jackson, MI

Experience the power of partnership.

WebsitePhone1 office11 projects6 credentialsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: 500MW Solar Farm Engineering & System Studies

Service: Renewable Energy EngineeringService: Solar PV DesignService: Battery Energy Storage SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+44 more

Consor

Jacksonville, FL

A leading infrastructure engineering and construction management firm moving communities forward.

Website1 office5 projectsFounded 1980Size Estimate: 200+ employeesUpdated Jun 2026

Project: Bridge Street Bridge Rehabilitation

Service: Advisory ServicesService: Strategic PlanningService: Communications, Public Engagement, and FacilitationIndustry: Water SupplyIndustry: TransportationType: Structural Engineering+41 more

CorrTech, Inc.

Marlborough, MA

Corrosion engineering, infrastructure assessment, and rehabilitation technologies

WebsitePhone2 offices11 projects2 leaders4 credentialsFounded 1997

Project: Scituate Dam Water Supply Pipe Cleaning and Inspection

Service: Cathodic Protection Design & InstallationService: Impressed Current SystemsService: Sacrificial Anode SystemsIndustry: Water SupplyIndustry: WastewaterType: Materials Engineering+44 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