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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20/10 Engineering Group, LLC

Sustainable Designs | Better Engineering Vision

Website9 projectsUpdated Jun 2026
Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsIndustry: EducationType: MEP+28 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders
Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022
Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsIndustry: Water ResourcesType: Civil Engineering+21 more

A.W. Schultz Inc.

Shawnee, KS

Trusted Engineering and Integration Since 1977

WebsitePhone1 office3 credentials
Service: Process Control and SCADA SystemsService: Process Visualization & HMI/OITIndustry: Water SupplyType: Automation & Controls+27 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadIndustry: DefenseType: Defense Engineering+25 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects
Service: Agricultural EngineeringService: Site SelectionIndustry: AgricultureType: Civil Engineering+57 more

AIMS Group, Inc.

Metairie, LA

Your Partner for Professional Engineering Consulting

WebsitePhone2 offices14 projects
Service: Civil EngineeringService: Streets and RoadwaysIndustry: GovernmentType: Civil Engineering+34 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingIndustry: Renewable EnergyType: Civil Engineering+59 more

AOK Engineering, PLLC

Gouverneur, NY

From Start-to-Finish with Real People in Mind

WebsitePhone1 officeUpdated Jun 2026
Service: Civil EngineeringService: New Parcel InvestigationIndustry: ResidentialType: Civil Engineering+33 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

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects
Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Industry: ManufacturingType: Automation & Controls+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

ATALA ECR, Inc.

El Cajon, CA

Staffing - Construction - Remediation

WebsitePhone1 office1 credentials
Service: Project StaffingService: Construction SuperintendentsIndustry: FederalType: Environmental Engineering+26 more

ATALO Solutions, Inc.

St. Petersburg, FL

Transforming complex challenges into strategic technological opportunities

WebsitePhone1 office1 credentials
Service: Systems Integration and EngineeringService: System Requirements IdentificationIndustry: FederalType: Software Engineering+25 more

ATOLLO Technology Solutions, LLC

Fulton, MD

Smarter Automation. Wider Integration. Smarter Decisions Made Quickly & Affordably.

WebsitePhone1 office4 leaders
Service: Strategic Planning (Security & Operations)Service: Systems Engineering & Technology InsertionIndustry: DefenseType: Automation & Controls+14 more

Abaci Consulting

Grimes, IA

From Blueprint to Reality

WebsitePhone1 officeFounded 1999
Service: Civil EngineeringService: Land subdivisionsIndustry: Land DevelopmentType: Civil Engineering+60 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026
Service: Engineering ServicesService: Chemical EngineeringIndustry: Environmental & RemediationType: Environmental Engineering+24 more

Acropolis Engineers

Raleigh, NC

Engineering. Delivered.

WebsitePhone2 offices1 projects
Service: Equipment Optimization & MaintenanceService: Equipment Installation & CommissioningIndustry: Automation & ControlsType: Automation & Controls+16 more

Adacel Systems, Inc.

Orlando, FL

Adacel Systems, Inc. supports aviation and defense customers from Orlando with air traffic management, digital tower, simulation, and training technology. Adacel combines REVAL digital ATC tower consulting, system design, development, deployment, and support; Aurora air traffic management system engineering, software development, test, and verification; MaxSim air traffic control simulation; and ICE aviation phraseology training tools.

WebsitePhone1 office3 credentials
Service: Digital ATC Tower SystemsService: Aerodrome System IntegrationIndustry: AviationType: Aviation Engineering+21 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders
Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignIndustry: GovernmentType: Civil Engineering+40 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projects
Service: Civil EngineeringService: Site DevelopmentIndustry: EducationType: Civil Engineering+42 more