Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 more

AeroMech Incorporated

Mukilteo, WA

Precision aerospace engineering, FAA certification, and inflight connectivity solutions.

WebsitePhone3 offices2 projects3 credentialsUpdated Jun 2026

Project: Piper M700 Fury RVSM Certification

Service: FAA STC DevelopmentService: Inflight Connectivity STCsService: RVSM STCsIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+13 more

Aeronautix

Wichita, KS

Aircraft Modification, Certification & Engineering Services

WebsitePhone1 office10 projectsFounded 2006Updated Jun 2026

Project: Supervan 900 Engine Conversion

Service: FAA ODA ServicesService: Turnkey STC approvalsService: STC project managementIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+37 more

Amtech Aeronautical Limited

Medicine Hat, AB

Aeronautical Design, Defence R&D, and Industrial Automation

Website1 office5 projects2 credentialsFounded 1995Updated Jun 2026

Project: Viking DHC-6 Series 400 Phase 2A Avionics Upgrade Certification

Service: Aeronautical Engineering and CertificationService: Aircraft Modifications and Repairs DesignService: Regulatory Design ApprovalsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Aries Aero Systems LLC

Aerospace Product Certification Consultants

WebsiteUpdated Jun 2026

Service detail: FAA Certification and DER Services

Service: FAA Certification and DER ServicesService: Certification Plan DevelopmentService: FAA Liaison ServicesIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+26 more

B&D Design Services

Inspiration. Innovation. Simplicity by Design.

Website2 projects1 credentialsFounded 2004Updated Jun 2026

Project: Boeing 747 Forward Staircase Replacement

Service: Aircraft Interior ModificationService: Headliner and Sidewall SystemsService: Monument and Galley DesignIndustry: AerospaceIndustry: AviationType: Aviation Engineering+16 more

Conscious Systems Engineering

Nashville, TN

Aerospace, Architecture, and Engineering Services

WebsitePhone1 office4 projects1 leaders5 credentialsFounded 2013

Project: B777-300ER Passenger-to-Freighter (P2F) STC Project

Service: Aircraft Engineering and DesignService: SchematicsService: Wiring DiagramsIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+23 more

Croy Engineering

Marietta, GA

Engineering the Extra Mile

WebsitePhone3 offices6 projectsFounded 2005Size Estimate: 100+ employeesUpdated Jun 2026

Project: Chattahoochee Technical College Aviation Training Academy

Service: AviationService: Airport Development & ExpansionService: Initial DevelopmentIndustry: AviationIndustry: AirportsType: Civil Engineering+50 more

HBC Engineering Company

Miami, FL

Engineering solutions that move communities forward.

WebsitePhone6 offices10 projects1 leadersFounded 2006Size Estimate: 80+ employees

Project: CDWWTP Oxygen Production Facility

Service: Aviation EngineeringService: Airfield Pavement DesignService: Pavement Testing and EvaluationIndustry: TransportationIndustry: BridgesType: Civil Engineering+106 more

Hey and Associates, Inc.

Chicago, IL

Helping communities create sustainable infrastructure and environments

Website3 offices9 projects1 credentialsFounded 1976Updated Jun 2026

Project: Tower Lakes Watershed Study

Service: Civil EngineeringService: Stormwater & Floodplain ManagementService: Hydraulic Structures & ConveyanceIndustry: Parks & Open SpaceIndustry: TransportationType: Civil Engineering+30 more

Metrea Aerospace Design

Englewood, CO

World class engineering and certification

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Engineering & Design

Service: Engineering & DesignService: Aircraft ModificationsService: Engineering & AnalysisIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+14 more

Molzen Corbin

Albuquerque, NM

Sustainable Infrastructure for Today and Into the Future

WebsitePhone3 offices8 projects1 leaders3 credentials1 publications

Project: I-25/Williamsburg Interchange

Service: Water & Wastewater EngineeringService: Water Resource EngineeringService: Wastewater EngineeringIndustry: GovernmentIndustry: AirportsType: Architecture & Engineering+55 more

Pagnotta Engineering, Inc.

Exton, PA

Quality Mechanical Design and Analysis Services

WebsitePhone1 office11 projects2 leadersFounded 1996Size Estimate: 10-49 employees

Project: T-38N Autopilot

Service: Structural AnalysisService: Finite Element AnalysisService: Static and Dynamic AnalysisIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+23 more

Pavement Technical Solutions, Inc.

Ashburn, VA

Pavement Technical Solutions, Inc. (PTS) is a full-service pavement engineering, management, inspection, testing, and evaluation firm with clients at military airports, civilian airports, defense bases, and seaports worldwide. PTS offers pavement management systems, non-destructive testing, roughness profiler testing, geotechnical investigation, GIS services, and pavement evaluation and design. It is headquartered in Ashburn, Virginia, near Washington Dulles International Airport.

WebsitePhone1 office8 credentialsUpdated Jun 2026

Service detail: Pavement Management Systems (PMS)

Service: Pavement Management Systems (PMS)Service: Pavement Evaluation and DesignService: Pavement InspectionsIndustry: TransportationIndustry: DefenseType: Civil Engineering+8 more

Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 more

The Solco Group, LLC

Port Arthur, TX

Planning is our Passion, Engineering is our Experience, Research is our Responsibility, and Consultancy is our Commitment

WebsitePhone2 offices5 leaders4 credentialsSize Estimate: 2-10 employeesUpdated Jun 2026

Service detail: Airport Planning & Engineering

Service: Airport Planning & EngineeringService: Airport Improvement Program (AIP) ConsultingService: Airport Compliance / Land / Mineral Rights ConsultingIndustry: AviationIndustry: TransportationType: Aviation Engineering+27 more