Public engineering firm directory

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AeroEngineering4.0

Aerospace Engineering Service Provider

Website3 projects13 leaders1 credentialsUpdated Jun 2026

Project: Hydraulic Control Unit (HCU) Development

Service: Product Lifecycle ServicesService: New Product DevelopmentService: Rapid PrototypingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+15 more

Armant LLC

Data-driven aerospace engineering modeling, simulation, and testing services.

Website5 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Modeling and Simulation

Service: Modeling and SimulationService: Multi-Physics SimulationService: CFD and Aerothermal SimulationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+27 more

Array of Engineers

Grand Rapids, MI

Designing | Automating | Testing

Website1 office7 projectsUpdated Jun 2026

Project: Airbus A350 Hydraulic Monitoring and Control Application

Service: Automated Hardware-Software TestingService: Automated Hardware-Software Integration TestingService: Model-Based TestingIndustry: AerospaceIndustry: SpaceType: Software Engineering+30 more

Birchrun Labs

Birchrunville, PA

Making the Aspirational Real

Website1 office3 projects3 leadersUpdated Jun 2026

Project: High-Temperature Piezoelectric Material Deployment

Service: Piezoelectric Materials and Component EngineeringService: High-Temperature Ceramic MaterialsService: Piezoelectric Stack ActuatorsIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+17 more

Crony Engineering, Inc.

Tampa, FL

Ascend To New Heights With Crony Engineering By Your Side

WebsitePhone1 officeSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Avionics Engineering

Service: Avionics EngineeringService: FAA Certification LiaisingService: Avionics Reverse Engineering & DesignIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+53 more

Electro Standards Laboratories

Cranston, RI

Engineering and manufacturing solutions for data communication, sensing, measurement, and power continuity.

WebsitePhone1 office4 leaders2 credentialsFounded 1976Updated Jun 2026

Service detail: Contract R&D Engineering

Service: Contract R&D EngineeringService: R&D Contract Engineering ServicesService: Control Systems R&DIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+37 more

Emprise Corporation

Kennesaw, GA

Custom Test Equipment, Test Stands, Technical Centers and Test Facilities

WebsitePhone1 office1 projects1 credentialsFounded 1981Size Estimate: 10-50 employees

Project: General Electric Test Stand 8

Service: Test Facility Design & IntegrationService: Front-End Planning (Proof Design)Service: Facility & Equipment IntegrationIndustry: AutomotiveIndustry: AerospaceType: Mechanical Engineering+18 more

Hummingbird Aero LLC

Irvine, CA

Safety-critical flight control and vehicle systems engineering for aerospace and defense

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: eVTOL Flight Control System Design and Development

Service: Aircraft Actuation SystemsService: Electro-Mechanical ActuationService: Electro-Hydrostatic ActuationIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+19 more

L3Harris Technologies, Inc.

Melbourne, FL

Fast. Forward.

Website1 office3 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Polish Navy Miecznik-class Frigate IPMS

Service: Electronic WarfareService: Command and ControlService: Advanced Battle Management System NetworkIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+28 more

Northrop Grumman

Elkton, MD

Defining Possible

Website1 office5 projects1 credentialsSize Estimate: 95,000 employeesUpdated Jun 2026

Project: B-21 Raider

Service: Advanced WeaponsService: ArmamentsService: ComponentsIndustry: DefenseIndustry: AerospaceType: Defense Engineering+25 more

Phoenix Engineering Technologies

Cerritos, CA

Niche Aerospace Interiors and Systems Engineers

WebsitePhone1 officeFounded 2015Updated Jun 2026

Service detail: Aerospace Engineering

Service: Aerospace EngineeringService: Concept Design and Product DevelopmentService: Detailing, Drafting, and Sustaining EngineeringIndustry: AerospaceIndustry: AutomotiveType: Aerospace Engineering+66 more

QuantumWorks Corporation

San Diego, CA

QuantumWorks Corporation (QWC) is a San Diego, California engineering firm founded in 1993 that designs and builds custom electric and hybrid powertrains for ground vehicles, powersports craft, marine vessels, and unmanned aerial systems. QWC supplies complete plug-and-play electric powertrain kits, individual subsystems, and powertrain parts to OEMs, high-performance builders, and startups, and provides technology project management and business plan consultation. Founder Steve Tice co-founded electric powertrain pioneer EVDrive Inc. and has led technical management on landmark projects including the Nikola One 6x6 hybrid semi-truck, a world-record all-electric catamaran, multiple land-speed-record electric Corvette builds, and the first AWD torque-vectoring UTV.

WebsitePhone1 office7 projects1 leadersFounded 1993Updated Jun 2026

Project: Nikola One 6x6 Hybrid Semi-Truck Powertrain

Service: Custom Electric & Hybrid Powertrain EngineeringService: Drive SubsystemsService: Energy Storage Subsystems (ESS)Industry: AutomotiveIndustry: AviationType: Mechanical Engineering+19 more

Vortex Systems

Enfield, CT

Integrating & Manufacturing World-Class Test Systems for Aircraft Repair Stations on a Global Scale

WebsitePhone1 office4 projects2 credentialsFounded 1996Size Estimate: 5-50 employees

Project: 787 Test Stands

Service: Test Stand Design & BuildService: Hydraulic test standsService: Pneumatic and electro-pneumatic test standsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+35 more