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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4M Research, Inc.

Huntsville, AL

4M Research, Inc., headquartered in Huntsville, AL since 2010, specializes in engineering, enterprise solutions, and operations and logistics services across the DoD and NASA sectors. 4M provides quality engineering support to a wide variety of customers as both a prime contractor and a subcontractor. Its team of technical professionals is dedicated to supporting the business and mission goals of clients, with a portfolio of high-end technical skills and substantial past performance.

Website1 office1 leadersUpdated Jun 2026
Service: EngineeringService: Systems Engineering and AnalysisIndustry: AerospaceType: Aviation Engineering+14 more

A-P-T Research, Inc.

Huntsville, AL

Providing Safe Solutions.

WebsitePhone1 office3 projects
Service: System Safety EngineeringService: Hazard Analysis and Risk AssessmentIndustry: AerospaceType: Process Safety Engineering+42 more

ACSSTechs, LLC

Harvest, AL

Expert Engineering Consultants

WebsitePhone1 office5 credentials
Service: Software EngineeringService: Software Development EnvironmentsIndustry: SoftwareType: Software Engineering+8 more

AM Pierce & Associates, Inc.

California, MD

AM Pierce & Associates, Inc. is a Maryland-based technical services company supporting Department of Defense customers with engineering, research, cyber, C5ISR, program, and acquisition capabilities. Its team works on sensor and data fusion, autonomy, unmanned systems, interoperability, systems engineering, modeling and simulation, warfare analysis, data links, electronic warfare, security systems engineering, and NAVAIR data fusion programs.

WebsitePhone2 offices3 leaders
Service: Engineering and ResearchService: Sensor and Data FusionIndustry: DefenseType: Defense Engineering+23 more

AMT Corporation

Madison, AL

Absolute accuracy. Proven reliability.

WebsitePhone1 office1 leaders
Service: Systems Engineering and CADService: Mechanical system and component designIndustry: DefenseType: Defense Engineering+22 more

APEX Defense

Huntsville, AL

Elevate Your Defense Strategy

Website1 office1 credentialsUpdated Jun 2026
Service: Program ManagementService: Strategic PlanningIndustry: DefenseType: Defense Engineering+14 more

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentials
Service: Program and Project ManagementService: Project Planning and SchedulingIndustry: GovernmentType: Electrical Engineering+28 more

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026
Service: Systems EngineeringService: Architecture Development and MBSEIndustry: DefenseType: Defense Engineering+22 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

AVNIK Defense Solutions, Inc.

Huntsville, AL

AVNIK Defense Solutions, Inc. is a defense engineering firm based in Huntsville, Alabama founded in January 2006. It serves as a prime contractor for Army and Navy Small Business Innovative Research (SBIR) Phase I and Phase II projects and as a subcontractor for Army Aviation engineering services. Its personnel hold strong engineering and military backgrounds supporting DoD weapons systems life cycle management.

WebsitePhone1 officeUpdated Jun 2026
Service: SBIR Research and DevelopmentService: Army Aviation Engineering ServicesIndustry: DefenseType: Defense Engineering+3 more

Accura Engineering and Consulting Services, Inc.

Atlanta, GA

Providing comprehensive engineering, construction, and construction management services.

WebsitePhone3 offices8 leaders
Service: Federal ServicesService: Defense Program SupportIndustry: FederalType: Civil Engineering+32 more

Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leaders
Service: EngineeringService: Civil EngineeringIndustry: Oil & GasType: Civil Engineering+28 more

Alliance Automation & Control, Inc.

Rogersville, AL

No project too large, no requirement too detailed.

WebsitePhone1 office1 credentials
Service: Electrical EngineeringService: Electrical DesignIndustry: AutomotiveType: Automation & Controls+14 more

Alliance Technical Group

Decatur, AL

Alliance Technical Group is a full-service environmental services company founded in 2000 in Decatur, Alabama, with over 2,200 employees and more than 60 testing and laboratory locations across the United States and Canada. Alliance helps industrial, manufacturing, energy, and government clients achieve environmental compliance through on-site testing and monitoring, laboratory testing and analysis, and regulatory consulting. The company operates 110-plus mobile laboratories and delivers services across stack testing, LDAR, ambient air monitoring, CEMS, and environmental consulting.

WebsitePhone1 office4 leaders
Service: Environmental ComplianceService: Regulatory StrategyIndustry: IndustrialType: Environmental Engineering+21 more

Amtec Corporation

Huntsville, AL

Engineering and technical services for federal government agencies and defense programs

WebsitePhone1 officeFounded 1988
Service: Systems and Multi-Disciplinary EngineeringService: Aerospace EngineeringIndustry: AerospaceType: Aerospace Engineering+27 more

Analytix LLC

Huntsville, AL

Expert Management, Energy Efficient

Website1 office3 leadersFounded 2007
Service: Modeling & SimulationService: System Engineering and Requirement AnalysisIndustry: DefenseType: Aerospace Engineering+37 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects
Service: EngineeringService: Civil EngineeringIndustry: Power GenerationType: Civil Engineering+48 more

Applied Analytical Solutions Incorporated

Huntsville, AL

Modeling. Simulation. Success.

WebsitePhone1 office3 projects
Service: Missile Modeling & SimulationService: Six-Degree-of-Freedom Trajectory ModelingIndustry: DefenseType: Defense Engineering+27 more

Applied Chemical Technology, Inc.

Florence, AL

Applied Chemical Technology (ACT) is a one-stop engineering, research and development, and fabrication firm founded in 1981 and headquartered in Florence, Alabama. ACT specializes in chemical process scale-up, providing integrated engineering, laboratory and pilot plant R&D, and custom equipment fabrication for clients in the chemical, fertilizer, agriculture, and mining industries. Its 84,500-square-foot Florence campus includes office, laboratory, fabrication, and pilot plant facilities, and its ASME VIII Div 1 pressure vessel shop supports design and build of custom reactors and process systems.

WebsitePhone1 office1 credentials
Service: EngineeringService: Process EngineeringIndustry: ChemicalsType: Chemical Engineering+23 more

Applied Technology Solutions, Inc.

Huntsville, AL

Engineering robust solutions for hypersonic and high-temperature applications

WebsitePhone1 officeFounded 2022
Service: Hypersonic EnvironmentsService: Thermal and Weather CharacterizationIndustry: DefenseType: Defense Engineering+13 more

Arrington Engineering & Land Surveying Inc.

Birmingham, AL

Innovation Runs In Our Blood

WebsitePhone1 officeFounded 1985
Service: Land SurveyingService: Boundary surveysIndustry: GovernmentType: Civil Engineering+19 more

Arrow's Edge

Huntsville, AL

Small Business Agility with Large Business Resources

WebsitePhone1 officeUpdated Jun 2026
Service: Base OperationsService: Base Maintenance & SustainmentIndustry: DefenseType: Defense Engineering+16 more

Asteri Systems, Inc.

Huntsville, AL

Asteri Systems, Inc. is a Huntsville, Alabama-based engineering and technical services firm incorporated in 2015 with a focus on proactive program execution for U.S. military and intelligence programs. Its team brings decades of experience in systems engineering, manufacturing, testing, intelligence analysis, and threat modeling in support of the U.S. Army, U.S. Navy, and Missile Defense Agency at Redstone Arsenal and the Naval Support Facility at Dahlgren, Virginia. Asteri Systems serves the aerospace, defense, and intelligence communities by anticipating program challenges and actively managing outcomes.

Website1 officeFounded 2015Updated Jun 2026
Service: Aerospace Engineering ServicesService: Program Management and Acquisition PlanningIndustry: DefenseType: Defense Engineering+15 more

Astra Solutions LLC

Huntsville, AL

Expert engineering, procurement, and advisory services for defense and commercial clients

WebsitePhone1 office1 leaders
Service: Systems Engineering & Technical Assistance (SETA)Service: Systems Integration and EvaluationIndustry: DefenseType: Defense Engineering+31 more