Public engineering firm directory

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Alpine Industrial Services

Winona, MN

Industrial motor, power and automation engineering services

WebsitePhone4 offices1 credentialsUpdated Jun 2026

Service detail: Industrial Automation

Service: Industrial AutomationService: Advanced Process ControlService: PLC ProgrammingIndustry: IndustrialIndustry: ManufacturingType: Automation & Controls+24 more

Centurum

McLean, VA

End-to-End Life Cycle Solutions for Defense and Federal Networks

WebsitePhone5 offices3 projects1 credentialsFounded 2004Size Estimate: 400+ employees

Project: AN/USQ-82(V) Data Multiplex System (xDMS) Engineering Support

Service: Cybersecurity and Information AssuranceService: CMMC Level 2 ComplianceService: Integrated Product SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+22 more

Crane Engineering

Kimberly, WI

Your Fluid Technology Experts

WebsitePhone4 offices6 leaders1 credentialsFounded 1939Size Estimate: 200+ employees

Service detail: Fluid Handling Engineering Support

Service: Fluid Handling Engineering SupportService: Pump and Valve SelectionService: Reliability ChallengesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+22 more

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026

Service detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 more

LogiSys Technical Services, Inc.

Your Complete ATS Solution

Website2 projects1 leadersFounded 2013Updated Jun 2026

Project: U.S. Army Next Generation Automatic Test System (NGATS) Support

Service: ATS EngineeringService: Hardware Design & IntegrationService: Test Program Set DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+8 more

Millspaw Electronics LLC

Mason, OH

Engineering confidence into every solution.

WebsitePhone1 office6 projects3 leaders5 credentialsFounded 2019

Project: GE Power Supply Module Refurbishment

Service: Repair & RefurbishmentService: Component-Level Repair and ReworkService: Functional and Burn-In TestingIndustry: NuclearIndustry: DefenseType: Electrical Engineering+14 more

P1 Service, LLC

Lenexa, KS

HVAC, Plumbing, and Electrical Partner for the Life of Your Facility

WebsitePhone6 offices4 projects10 credentialsUpdated Jun 2026

Project: Cleveland University HVAC Improvements

Service: HVAC and Mechanical ServiceService: Boiler Repair and MaintenanceService: Chiller Repair and MaintenanceIndustry: CommercialIndustry: HealthcareType: MEP+24 more

Paradigm Field Industrial Solutions

League City, TX

Engineered Solutions with Safety, Quality and Integrity

WebsitePhone2 offices1 projects2 leaders4 credentialsFounded 2016

Project: Large Construction Project Pipe Spool Inspection

Service: NDT Inspection ServicesService: Ultrasonic Thickness Testing (UTT) Straight BeamService: Automated Ultrasonic - Shear Wave Testing (AUT-SW)Industry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+40 more

Persons Industries LLC

Huntsville, AL

Engineering for the Future

WebsitePhone1 office8 projects1 publicationsUpdated Jun 2026

Project: Hazard Tracking and Mitigation System (HAZTAMS)

Service: AI & Autonomous SystemsService: Embedded Systems & ArchitectureService: Electrical IntegrationIndustry: AerospaceIndustry: AgricultureType: Automation & Controls+27 more

SubTerra, Inc.

North Bend, WA

You Dream It, We Build It

WebsitePhone1 office5 projectsFounded 1991Updated Jun 2026

Project: Metro Goldline East

Service: Tunneling & Underground EngineeringService: Tunnel DesignService: Micro-TunnelingIndustry: TunnelsIndustry: MiningType: Geotechnical Engineering+16 more

Tex Tenn Design & Consulting

Nashville, TN

Specialized Cooling Tower Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Thermal Modeling and DesignService: Wood to Fiberglass ConversionsIndustry: Power GenerationIndustry: IndustrialType: Mechanical Engineering+14 more

Viking Systems

Houston, TX

Ship & Offshore Structure Design & FEA Assessments

WebsitePhone6 offices6 projectsFounded 2000Size Estimate: 20-75 employeesUpdated Jun 2026

Project: LCS Freedom Class Structural Design Assessment

Service: Offshore Structural EngineeringService: FPSO Hull FEA & Class Notation (ABS DLA, DNV FMS, BV VeriSTAR)Service: Topsides & Topsides Support Structure DesignIndustry: Oil & GasIndustry: DefenseType: Defense Engineering+48 more