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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154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentials
Service: Technical Program ManagementService: End-to-End Program ManagementIndustry: DefenseType: Defense Engineering+30 more

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects
Service: Civil & MunicipalService: Appointed Engineer representationIndustry: GovernmentType: Civil Engineering+52 more

Advanced Automation Corporation

Rome, NY

Confidence in the Future: Emerging Technologies to Support the Warfighter

WebsitePhone1 office3 projects
Service: Systems EngineeringService: Requirements Definition and ManagementIndustry: AerospaceType: Defense Engineering+32 more

Boarhog LLC

San Diego, CA

Defense. Engineering. Innovation.

WebsitePhone3 offices4 projects
Service: Systems Engineering and Technical Assistance (SETA)Service: Requirements and Test PlanningIndustry: DefenseType: Defense Engineering+31 more

Canyon

El Segundo, CA

Canyon is an El Segundo, California defense engineering and acquisition consulting firm founded in 2006 that supports U.S. Space Force, Air Force, and Department of Defense program offices in GPS and positioning, navigation, and timing (PNT) programs. Canyon's engineers and acquisition specialists bring over 100 combined years of program management, systems engineering, and test and evaluation experience to space vehicle, ground, and user equipment programs. Canyon holds a patent on a Steerable Antenna System (US 12,562,472 B2) and has provided broad expertise in GPS-III satellite development and the Modernized GPS User Equipment (MGUE) program.

WebsitePhone1 office2 projects
Service: Acquisition Engineering SupportService: Systems EngineeringIndustry: DefenseType: Defense Engineering+8 more

Coleman Engineering Company

Iron Mountain, MI

Professional Engineering and Surveying

WebsitePhone3 offices4 credentials
Service: Civil EngineeringService: Road and Highway DesignIndustry: GovernmentType: Civil Engineering+72 more

Engineering Dynamics

Silver Spring, MD

Engineering is a People Problem.

WebsitePhone1 office14 credentials
Service: Human Factors EngineeringService: Cognitive EngineeringIndustry: DefenseType: Defense Engineering+38 more

GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders
Service: Geotechnical EngineeringService: Geostructural DesignIndustry: Water ResourcesType: Geotechnical Engineering+42 more

General Dynamics Mission Systems

Engineering mission-critical C4ISR solutions across land, sea, air, space, and cyber domains

Website5 projectsUpdated Jun 2026
Service: Assured Positioning, Navigation & Timing (APNT)Service: Fight Tonight Assured PNT SystemIndustry: DefenseType: Defense Engineering+43 more

Greenway Engineering, Inc.

Winchester, VA

Experienced. Knowledgeable. Local.

WebsitePhone1 office1 projects
Service: Civil EngineeringService: Site Selection, Preparation, and DevelopmentIndustry: ResidentialType: Civil Engineering+66 more

LS Technologies, LLC

Washington, DC

Transformation That Moves the Nation. Delivering Airspace Innovation Now.

WebsitePhone1 office3 projects
Service: Engineering ServicesService: Systems EngineeringIndustry: AviationType: Aviation Engineering+22 more

MZI Solutions

MZI Solutions is a Virginia-based systems engineering firm with over 15 years of experience supporting federal agencies and commercial enterprises in deploying mission-critical systems. MZI specializes in leading agencies such as the FAA through the full engineering lifecycle, from requirements development and acquisition navigation to prototype implementation and operational validation. Its Triangle of Value-driven Operationalization blueprint integrates enterprise architecture, systems engineering, and foresight strategy; MZI engineers have enabled customers to deploy 59 full-scale systems to 42 locations nationally while generating $44 million in annual cost savings.

Website1 leadersUpdated Jun 2026
Service: Enterprise Architecture and Emerging TechnologiesService: Systems Engineering and Life-Cycle ManagementIndustry: AviationType: Aviation Engineering+6 more

Paloma Systems, Inc.

Systems engineering, integration, and program management for government defense programs

Website4 projects2 credentialsFounded 1998
Service: Systems Engineering & IntegrationService: Technical Specifications DevelopmentIndustry: DefenseType: Defense Engineering+23 more

Performance Engineering

Billings, MT

Breaking New Ground in Engineering Excellence

WebsitePhone1 office6 projects
Service: Civil EngineeringService: Site Development DesignIndustry: GovernmentType: Civil Engineering+22 more

Precision ISR, LLC

Moving the Needle for National Security

Website5 leaders1 credentialsUpdated Jun 2026
Service: Business Development & CaptureService: Trade Studies & Market ResearchIndustry: DefenseType: Defense Engineering+9 more

QuantumGov Solutions, LLC

Pontiac, MI

Engineering | Consulting | Prototyping | R&D | Acquisition

WebsitePhone1 office7 projects
Service: Electrical EngineeringService: Combat vehicle power systemsIndustry: DefenseType: Defense Engineering+36 more

X-Feds, Inc.

San Diego, CA

X-perience. X-pertise. X-cellence.

Website1 office4 projects3 credentials
Service: Security EngineeringService: Information AssuranceIndustry: DefenseType: Defense Engineering+23 more