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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2 Bravo Group LLC

We make sure buildings work

Website6 projectsUpdated Jun 2026
Service: Building CommissioningService: Design and submittal reviewIndustry: FederalType: MEP+20 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more

4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentials
Service: Controls EngineeringService: Control System IntegrationIndustry: ManufacturingType: Automation & Controls+25 more

ADCOMM Engineering LLC

Woodinville, WA

We Bridge The Gap Between Operations and Technology.

WebsitePhone2 offices1 credentials
Service: Systems EngineeringService: Public Safety Systems EngineeringIndustry: Public SafetyType: Owner's Engineer+32 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

AE Design

Denver, CO

All things electrical

WebsitePhone1 office8 projects
Service: Electrical EngineeringService: Electrical Engineering DesignIndustry: CommercialType: Electrical Engineering+24 more

AECOM

AECOM is a trusted global infrastructure firm delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Founded in 1990, with predecessor firms dating back over 120 years, AECOM is ranked #1 in general building, transportation, and water by Engineering News-Record (2025), listed at #259 on the Fortune 500, and generated $16.1 billion of revenue in fiscal year 2024. AECOM delivers planning, design, engineering, consulting, and program and construction management services throughout the full project lifecycle.

Website3 credentialsFounded 1990Updated Jun 2026
Service: Planning and DesignService: Program and Construction ManagementIndustry: TransportationType: Architecture & Engineering+15 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

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leaders
Service: Underwater InspectionsService: Waterfront Structural DesignIndustry: MarineType: Marine Engineering+19 more

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects
Service: Civil EngineeringService: Site Development SolutionsIndustry: EducationType: Civil Engineering+43 more

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects
Service: BridgesService: Bridge structural designIndustry: FederalType: Civil Engineering+47 more

AJT Engineering, Inc.

Cocoa, FL

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

WebsitePhone1 office1 projects
Service: Air Traffic Control Tower DesignService: Siting Analyses and Feasibility StudiesIndustry: AviationType: Aviation Engineering+20 more

AK Hydro, LLC

Specialized dam safety, assessment, and rehabilitation engineering

Website4 projects3 leadersSize Estimate: 1-10 employees
Service: Inspection and AssessmentsService: Detailed site inspectionsIndustry: Water ResourcesType: Water / Wastewater Engineering+20 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

ASUSE Incorporated

Tempe, AZ

Transform Your Vision Into Reality with ASUSE

WebsitePhone1 office1 projects
Service: Engineering DesignService: Power Distribution DesignIndustry: Power GenerationType: Design-Build+23 more

ATCSI LLC

Chesapeake, VA

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Website1 office2 projects4 leaders
Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentIndustry: DefenseType: Aerospace Engineering+21 more

AZAD Engineering PC

San Francisco, CA

Efficient Management in Infrastructure Construction

WebsitePhone2 offices1 leaders
Service: Construction Management and InspectionService: Resident EngineeringIndustry: TransportationType: Civil Engineering+41 more

Accelerate Engineering, LLC

Houston, TX

Crafting sustainable solutions that enrich lives

WebsitePhone1 office2 leaders
Service: Transportation EngineeringService: Roadway DesignIndustry: TransportationType: Civil Engineering+24 more

Ackerman Consulting Group, LLC

Scottsdale, AZ

Built for Rural and Tribal Broadband

WebsitePhone2 offices2 projects
Service: Telecom Consulting ServicesService: Business Planning & Financial AnalysisIndustry: TelecommunicationsType: Telecom / RF Engineering+15 more

Acumen Building Enterprise, Inc.

Oakland, CA

Improving Mobility and Access

Website1 office8 projects6 leaders
Service: Systems EngineeringService: Database Design & MaintenanceIndustry: TransitType: Civil Engineering+16 more

Adalta Engineering Group, LLC

El Paso, TX

Designing critical infrastructure that supports life.

WebsitePhone1 office1 leaders
Service: Mechanical Systems DesignService: HVAC DesignIndustry: InfrastructureType: Mechanical Engineering+15 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects
Service: Architecture & PlanningService: Architectural DesignIndustry: CommercialType: Architecture & Engineering+40 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007
Service: VDC & BIM ServicesService: Architectural BIM ServicesIndustry: HealthcareType: Architecture & Engineering+34 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects
Service: Planning & SchedulingService: CPM Schedule DevelopmentIndustry: InfrastructureType: Owner's Engineer+31 more