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 credentialsUpdated Jun 2026

Service detail: Technical Program Management

Service: Technical Program ManagementService: End-to-End Program ManagementService: Risk ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+28 more

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects4 leadersFounded 1946Size Estimate: 100-300 employees

Project: Upper Uwchlan Township Municipal Authority Administrator

Service: Civil & MunicipalService: Appointed Engineer representationService: Roadway and Infrastructure RehabilitationIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+50 more

Advanced Automation Corporation

Rome, NY

Confidence in the Future: Emerging Technologies to Support the Warfighter

WebsitePhone1 office3 projects6 leaders3 credentialsSize Estimate: 25-50 employees

Project: Integrated Electronic Data Environment (IEDE) for Plutonium Processing Facility

Service: Systems EngineeringService: Requirements Definition and ManagementService: Conceptual and Preliminary DesignIndustry: AerospaceIndustry: DefenseType: Defense Engineering+30 more

Boarhog LLC

San Diego, CA

Defense. Engineering. Innovation.

WebsitePhone3 offices4 projects4 leaders2 credentialsSize Estimate: 40 employees

Project: USS PINCKNEY (DDG-91) CANES Installation

Service: Systems Engineering and Technical Assistance (SETA)Service: Requirements and Test PlanningService: Integrated Logistics SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 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 projects5 leadersFounded 2006Updated Jun 2026

Project: GPS-III Navigation Satellite Program Support

Service: Acquisition Engineering SupportService: Systems EngineeringService: Requirements DevelopmentIndustry: DefenseIndustry: SpaceType: Defense Engineering+6 more

Coleman Engineering Company

Iron Mountain, MI

Professional Engineering and Surveying

WebsitePhone3 offices4 credentialsFounded 1969Size Estimate: 100-200 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road and Highway DesignService: Water Supply and Distribution SystemsIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

Engineering Dynamics

Silver Spring, MD

Engineering is a People Problem.

WebsitePhone1 office14 credentialsUpdated Jun 2026

Service detail: Human Factors Engineering

Service: Human Factors EngineeringService: Cognitive EngineeringService: UX ResearchIndustry: DefenseIndustry: FederalType: Defense Engineering+36 more

GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders3 credentialsUpdated Jun 2026

Project: Royse City, Texas Drainage Master Plan

Service: Geotechnical EngineeringService: Geostructural DesignService: Building Envelope ServicesIndustry: Water ResourcesIndustry: Water SupplyType: Geotechnical Engineering+40 more

General Dynamics Mission Systems

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

Website5 projectsUpdated Jun 2026

Project: Columbia-Class Submarine Program

Service: Assured Positioning, Navigation & Timing (APNT)Service: Fight Tonight Assured PNT SystemService: MRPA Horizon-Nulling Active AntennaIndustry: DefenseIndustry: FederalType: Defense Engineering+41 more

Greenway Engineering, Inc.

Winchester, VA

Experienced. Knowledgeable. Local.

WebsitePhone1 office1 projectsFounded 1971Size Estimate: 25-50 employeesUpdated Jun 2026

Project: National Museum of Intelligence and Special Operations

Service: Civil EngineeringService: Site Selection, Preparation, and DevelopmentService: Feasibility Studies and LayoutsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+64 more

LS Technologies, LLC

Washington, DC

Transformation That Moves the Nation. Delivering Airspace Innovation Now.

WebsitePhone1 office3 projects13 leaders2 credentialsFounded 2000

Project: Ryan Airfield Air Traffic Control Tower Upgrade

Service: Engineering ServicesService: Systems EngineeringService: Air Traffic Control EngineeringIndustry: AviationIndustry: AerospaceType: Aviation Engineering+20 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 detail: Enterprise Architecture and Emerging Technologies

Service: Enterprise Architecture and Emerging TechnologiesService: Systems Engineering and Life-Cycle ManagementService: Systems and Software Life-Cycle ManagementIndustry: AviationIndustry: FederalType: Aviation Engineering+4 more

Paloma Systems, Inc.

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

Website4 projects2 credentialsFounded 1998Updated Jun 2026

Project: DISA Encore III Subcontract

Service: Systems Engineering & IntegrationService: Technical Specifications DevelopmentService: Enterprise Architecture Design & AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

Performance Engineering

Billings, MT

Breaking New Ground in Engineering Excellence

WebsitePhone1 office6 projects5 leaders3 credentialsUpdated Jun 2026

Project: Intermountain Health - West End Campus

Service: Civil EngineeringService: Site Development DesignService: Infrastructure DesignIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+20 more

Precision ISR, LLC

Moving the Needle for National Security

Website5 leaders1 credentialsUpdated Jun 2026

Service detail: Business Development & Capture

Service: Business Development & CaptureService: Trade Studies & Market ResearchService: Cybersecurity & Compliance ConsultingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+7 more

QuantumGov Solutions, LLC

Pontiac, MI

Engineering | Consulting | Prototyping | R&D | Acquisition

WebsitePhone1 office7 projectsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: MIL-FORGE Rapid COTS Hardening Pipeline

Service: Electrical EngineeringService: Combat vehicle power systemsService: MIL-STD-1275/461 complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+34 more

X-Feds, Inc.

San Diego, CA

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

Website1 office4 projects3 credentialsFounded 2004Updated Jun 2026

Project: Navy First ATO for Azure (NAVSEA / Microsoft)

Service: Security EngineeringService: Information AssuranceService: Multi-Level Security EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more