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

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects
Service: Safety-Critical EngineeringService: Aviation Systems EngineeringIndustry: AviationType: Aerospace Engineering+33 more

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects
Service: Engineering ServicesService: Electrical EngineeringIndustry: DefenseType: Defense Engineering+25 more

AVIAN

Lexington Park, MD

We empower our people to do good and help others with simple solutions.

Website8 offices3 leaders1 credentials
Service: Test & EvaluationService: Test Program ManagementIndustry: DefenseType: Aerospace Engineering+18 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects
Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisIndustry: DefenseType: Defense Engineering+33 more

Advanced Rotorcraft Technology Inc

Fremont, CA

A Leader in Rotorcraft Simulation

WebsitePhone1 office5 projects
Service: Aircraft Design and AnalysisService: Parametric StudiesIndustry: AerospaceType: Aerospace Engineering+28 more

Aerospace Technical Services LLC

Boston, MA

Best-in-Class Data Science Solutions for Aerospace, Energy, and Health Systems

Website4 offices7 projects5 leaders
Service: Data ScienceService: Machine LearningIndustry: AerospaceType: Aerospace Engineering+13 more

Agilis Engineering Inc

Palm Beach Gardens, FL

We provide revolutionary insight into the engines that move and power our world.

WebsitePhone5 officesUpdated Jun 2026
Service: Advanced Turbine Engine Design and DevelopmentService: Measurement SystemsIndustry: AerospaceType: Aerospace Engineering+5 more

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992
Service: Mechanical EngineeringService: Mechanical System DesignIndustry: AerospaceType: Civil Engineering+48 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects
Service: Electrical EngineeringService: Lighting Design and ModelingIndustry: WastewaterType: Automation & Controls+35 more

Argo Performance, Ltd.

San Diego, CA

Smart People Creating Smart Buildings

WebsitePhone1 office7 projects
Service: Building CommissioningService: Whole Building CommissioningIndustry: CommercialType: Automation & Controls+32 more

Arrow Engineering Services, Inc.

Lancaster, CA

Serving California & Nevada for over 31 years

WebsitePhone1 office6 projects
Service: Civil EngineeringService: Roadway and overpass engineeringIndustry: TransportationType: Civil Engineering+10 more

Atea Technologies LLC

Westlake Village, CA

High-Tech Engineering Solutions

Website1 officeUpdated Jun 2026
Service: Engineering and Product DevelopmentService: Concept DevelopmentIndustry: DefenseType: Defense Engineering+8 more

Atugan

Carlsbad, CA

Engineering for unlimited possibilities.

WebsitePhone1 officeUpdated Jun 2026
Service: Wireless CommunicationsService: Satellite and Terrestrial System DesignIndustry: TelecommunicationsType: Telecom / RF Engineering+21 more

Aurex

Huntsville, AL

Engineering the Edge of Possible

WebsitePhone6 offices2 projects
Service: Hypersonic Systems EngineeringService: Modeling and SimulationIndustry: AerospaceType: Aerospace Engineering+44 more

CaVU Consulting, Inc.

San Diego, CA

Ceiling and Visibility Unlimited

Website2 officesUpdated Jun 2026
Service: Systems EngineeringService: Systems Life-Cycle EngineeringIndustry: DefenseType: Defense Engineering+27 more

Cannon Corporation

Irvine, CA

Reliable. Responsive. Solutions.

Website6 offices4 projectsFounded 1976
Service: Engineering & DesignService: Structural EngineeringIndustry: AerospaceType: Civil Engineering+20 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

Carine, Inc.

Los Alamitos, CA

Carine, Inc. is a commercial project management firm based in Los Alamitos (Southern California), founded in 2012 by Andrew Trost, P.E. It provides turnkey owner's agent project and construction management services from inception through commissioning and turnover. Carine serves local, national, and international clients across a wide range of market sectors including aerospace, automotive, industrial/manufacturing, material handling and warehouse, food/pharma/process, commercial, healthcare, hospitality, and education. Services include project management, construction management, technical design management, fire protection services, and cost estimating. Named projects include a $150MM multi-phased manufacturing plant expansion for a major US aeronautics manufacturer in Georgia, a 160,000 SF automated storage and retrieval system (ASRS) installation for Niagara Bottling in Rialto CA, and a laboratory testing facility in Irvine CA.

WebsitePhone1 office3 projects
Service: Project ManagementService: Owner's RepresentativeIndustry: AerospaceType: Owner's Engineer+21 more

Celeris Systems, Inc.

Anaheim, CA

Your Mission, Our Purpose

WebsitePhone3 offices1 leaders
Service: Engineering & Mission Integration ServicesService: Systems EngineeringIndustry: DefenseType: Defense Engineering+22 more

Clay Allen Design

Sacramento, CA

From napkin sketches to production, delivering mechanical engineering and industrial design to bring complex products to market.

WebsitePhone1 office1 leaders
Service: Mechanical Engineering & Product DesignService: Industrial Design ServicesIndustry: AerospaceType: Mechanical Engineering+17 more