Public engineering firm directory

Find engineering consulting firms by capability and location.

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

AJT Engineering, Inc.

Cocoa, FL

Aviation architecture, engineering, and prefabricated air traffic control cab fabrication.

WebsitePhone1 office1 projects1 credentialsUpdated Jun 2026

Project: Orlando-Melbourne International Airport Improvements

Service: Air Traffic Control Tower DesignService: Siting Analyses and Feasibility StudiesService: Tower Construction DocumentationIndustry: AviationIndustry: AirportsType: Aviation Engineering+18 more

APEX Defense

Huntsville, AL

Elevate Your Defense Strategy

Website1 office1 credentialsUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Strategic PlanningService: Acquisition Life CycleIndustry: DefenseIndustry: FederalType: Defense Engineering+12 more

AeroShield Consulting

Tucson, AZ

Expert Counter-UAS Consulting Services

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Threat Assessment & Risk Analysis

Service: Threat Assessment & Risk AnalysisService: Technology Evaluation & ProcurementService: System Selection & IntegrationIndustry: GovernmentIndustry: DefenseType: Defense Engineering+18 more

Artemis Inc

Omaha, NE

Trusted solutions for Defense, Engineering and Homeland Security

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Military Planning and Operations

Service: Engineering AnalysisService: Military Planning and OperationsService: Operations ResearchIndustry: DefenseIndustry: Intelligence & National SecurityType: Civil Engineering+6 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 more

Assured Momentum Incorporated

McLean, VA

Simplifying complexity through disciplined systems engineering

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Strategic Planning & Program Management

Service: Strategic Planning & Program ManagementService: Strategic AdvisoryService: Program Management Support To Define PrioritiesIndustry: GovernmentIndustry: DefenseType: Defense Engineering+27 more

Astra Solutions LLC

Huntsville, AL

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

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Systems Engineering & Technical Assistance (SETA)

Service: Systems Engineering & Technical Assistance (SETA)Service: Systems Integration and EvaluationService: Agency and Advisory SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

BayPac Consult Inc.

Oakland, CA

From Vision to Reality

Website1 office8 projectsFounded 2014Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Port of Oakland Program Management Services

Service: Program ManagementService: Program Startup & Governance SupportService: Program Expenditure & Financial PlanningIndustry: Ports & HarborsIndustry: TransitType: Civil Engineering+19 more

Blessun Energy LLC

San Juan, PR

Energy Asset Management and Operation Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Development Support & Consulting

Service: Development Support & ConsultingService: Project Feasibility & EvaluationService: Regulatory & Interconnection ConsultingIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+7 more

Brown Technologies Incorporated

Huntsville, AL

Precision. Integrity. Impact.

WebsitePhone1 office1 projects2 leaders2 credentialsFounded 2013

Project: Universal Music Group AI Applications

Service: Cybersecurity ServicesService: NIST Compliance AssessmentService: Gap AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

BuzzDoc LLC

Tampa, FL

Operational analysis, simulation, and strategic planning support.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: New Account Processing Simulation

Service: Strategic and Operations ManagementService: Strategic PlanningService: Operations ManagementIndustry: DefenseIndustry: GovernmentType: Simulation Engineering+17 more

Calvin, Giordano & Associates, Inc.

Fort Lauderdale, FL

Empowering Florida Communities to Thrive

WebsitePhone1 office6 projectsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Planning and Zoning - Hillsboro Beach, FL

Service: Building Department ServicesService: Full-Service Building Department ManagementService: Plan ReviewIndustry: GovernmentIndustry: TransportationType: Civil Engineering+34 more

Charles F. Day & Associates LLC

Davenport, IA

Ready to deliver solutions for your challenges.

WebsitePhone1 office6 projects2 leaders5 credentialsFounded 1995

Project: M777A2 Field Service Representative Services

Service: Engineering & Technical ServicesService: UXO/EOD Response ServicesService: Explosive Safety and Hazard MitigationIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Convergence Controls & Engineering

Littleton, CO

Where Controls & Engineering Converge

WebsitePhone2 offices4 credentialsUpdated Jun 2026

Service detail: Control Engineering and Programming

Service: Control Engineering and ProgrammingService: Programmable Logic ControllersService: Supervisory Control and Data AcquisitionIndustry: Oil & GasIndustry: Power GenerationType: Automation & Controls+32 more

Core Services Group, Inc.

Technical. Analytical. Operational.

WebsiteFounded 2011Updated Jun 2026

Service detail: Test Design, Planning, and Evaluation

Service: Test Design, Planning, and EvaluationService: Doctrine and Tactics DevelopmentService: Program Management and Systems EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+9 more

DTIS, LLC

Our experts bridge the gap between concept development and delivery

Website2 leaders1 credentialsFounded 2008Updated Jun 2026

Service detail: Air Traffic Management

Service: Air Traffic ManagementService: Air Traffic Operation IntegrationService: NAS Policy ExpertiseIndustry: Automation & ControlsIndustry: AviationType: Automation & Controls+22 more

Decision Technologies, Inc.

Arlington, VA

Decision Technologies, Inc. is a defense engineering and intelligence services provider headquartered in Arlington, Virginia. Founded in 2003, it delivers systems engineering, program management, in-service engineering, equipment repair, research and development, test and evaluation, and intelligence support to the Department of Defense and federal agencies. It provides specialized support for naval radar and missile programs across multiple directorates of the Program Executive Office Integrated Warfare Systems (PEO IWS), including AEGIS, Above Water Sensors, Surface Ship Weapons, and Ship Self-Defense Systems (SSDS). Additionally, it supports NSWC Crane and NSWC Port Hueneme, alongside strategic and policy programs for the Office of the Undersecretary of Defense for Intelligence (OUSD(I)).

WebsitePhone5 offices2 projects8 leaders6 credentialsFounded 2003

Project: Naval Surveillance Radar Engineering and Logistics Support Services

Service: Systems EngineeringService: Performance & Requirements AnalysisService: Trade Studies & Risk AssessmentIndustry: DefenseIndustry: FederalType: Defense Engineering+27 more

Dominion Due Diligence Group

Midlothian, VA

Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.

WebsitePhone3 offices2 projects11 leaders1 credentialsFounded 1994

Project: Transforming Affordable Housing in Virginia: A RAD/LIHTC Renovation

Service: Environmental Due Diligence & ComplianceService: Phase I & II Environmental Site AssessmentsService: HEROS Environmental ReviewsIndustry: Affordable HousingIndustry: Multifamily ResidentialType: Environmental Engineering+31 more

Electric Power Engineers, LLC

Austin, TX

Powering tomorrow.

WebsitePhone1 office8 projects5 leaders5 credentials2 publications

Project: SolaireHolman 1 - 50 MW Solar Array

Service: Grid Analysis & InterconnectionService: Generation Interconnection StudiesService: Transmission Planning & OperationsIndustry: Power GenerationIndustry: SolarType: Electrical Engineering+26 more

Equator Corporation

Washington, DC

Strength of Team, Depth of Capability

WebsitePhone3 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: DISA JITC Test and Evaluation Contract II

Service: Executive, Program, and Project ManagementService: Strategic Planning and Policy DevelopmentService: Executive Management Consulting and MentoringIndustry: DefenseIndustry: FederalType: Defense Engineering+43 more

Fagan Consulting LLC

Supporting infrastructure delivery at the intersection of built and natural environments

Website2 leaders3 credentials2 publicationsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Expert Consultation

Service: Expert ConsultationService: Programmatic and Regulatory GuidanceService: Contractual and Compliance AssuranceIndustry: TransportationIndustry: Power GenerationType: Environmental Engineering+19 more

Franson Civil Engineers, Inc.

American Fork, UT

We Know Water

WebsitePhone2 offices8 projects4 leadersFounded 1989Size Estimate: 1-25 employees

Project: Welby Jacob Canal Water Efficiency Project

Service: Design of Water SystemsService: Irrigation and Canal System DesignService: Diversion Structure DesignIndustry: AgricultureIndustry: GovernmentType: Civil Engineering+33 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more