Public engineering firm directory

Find engineering consulting firms by capability and location.

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AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 more

Above Group

Melbourne, FL

Above the Standard. Above Expectations.

WebsitePhone1 office4 projectsFounded 2014Updated Jun 2026

Project: Perry Point VA Campus Plaza Improvements

Service: Mechanical EngineeringService: HVAC System DesignService: Air Distribution SystemsIndustry: GovernmentIndustry: FederalType: MEP+33 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

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

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 more

EXP

Brampton, ON

Multidisciplinary engineering, architecture, design and consulting services.

Website1 office6 projects3 leaders10 credentials5 publicationsFounded 1906

Project: Southwest Calgary Ring Road

Service: Architecture and DesignService: Architectural designService: Interior space planningIndustry: TransportationIndustry: TransitType: Architecture & Engineering+95 more

Electric Power Systems, Inc.

Anchorage, AK

Powerful ideas. Practical results. On time delivery.

Website1 office5 projectsUpdated Jun 2026

Project: East End Road Utility Relocation

Service: EngineeringService: Electrical EngineeringService: Mechanical EngineeringIndustry: Electric UtilitiesIndustry: Power GenerationType: Power & Utility Engineering+50 more

FGC Engineers

Fullerton, CA

Engineering Solutions Built Around Your Project

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Performance ImprovementsService: Efficiency ImprovementsIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+48 more

Greenman-Pedersen, Inc.

Innovative, Sustainable Engineering Solutions

Website22 projects3 credentialsFounded 1966Size Estimate: 1,800+ employeesUpdated Jun 2026

Project: Brent Spence Bridge Corridor Progressive Design-Build Project

Service: BridgesService: Bridge DesignService: Bridge InspectionIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+79 more

H & J International, PC

Philadelphia, PA

Knowledge-Based Engineers & Management Consultants

WebsitePhone3 offices3 leadersFounded 2002Size Estimate: 30+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Bridge DesignService: Roadway and Highway DesignIndustry: TransportationIndustry: BridgesType: Civil Engineering+19 more

Inertia Engineers

Highlands Ranch, CO

Inertia Engineers Structural Solutions

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Structural Design and Engineering

Service: Structural Design and EngineeringService: Structural Design of New StructuresService: Foundation DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+23 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

Lochner

Chicago, IL

Trusted Infrastructure Services for Aviation, Transportation, and Water

WebsitePhone1 office8 projects6 leaders4 credentialsFounded 1944

Project: DFW On-Call Signage Implementation Support

Service: AviationService: Airport PlanningService: Airport Engineering and DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+41 more

NEI Electric Power Engineering, Inc.

Lakewood, CO

Engineering a Legacy of Expertise

WebsitePhone1 office23 leaders5 publicationsFounded 1982Size Estimate: 100-250 employees

Service detail: Substation Design and Engineering

Service: Substation Design and EngineeringService: Utility SubstationsService: Renewable SubstationsIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Automation & Controls+36 more

NovaComp Engineering, Inc.

Bothell, WA

Accurate and cost-efficient engineering analysis for complex linear and nonlinear problems

WebsitePhone1 office5 leadersFounded 1990Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Structural Analysis

Service: Structural AnalysisService: Theoretical and Thermal Stress AnalysisService: Fatigue and Fracture MechanicsIndustry: AerospaceIndustry: DefenseType: Combustion Engineering+27 more

Valdes Architecture & Engineering

Lombard, IL

Unmatched talent leads to extraordinary results.

WebsitePhone3 offices18 projects15 leaders4 credentialsFounded 1992

Project: Lake Shore Drive Bridge Inspections

Service: ArchitectureService: Engineering DesignService: Civil DesignIndustry: Oil & GasIndustry: ChemicalsType: Architecture & Engineering+39 more