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.

Filters1

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects
Service: Architecture & Interior DesignService: Programming and Test FitsIndustry: CommercialType: Architecture & Engineering+48 more

AHA Consulting Engineers

Burlington, MA

beyond engineering

WebsitePhone5 offices4 projects
Service: MEP/FP DesignService: Mechanical systemsIndustry: Research FacilitiesType: MEP+27 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026
Service: Structural EngineeringService: Structural Design and AnalysisIndustry: CommercialType: MEP+83 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

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

AXYS Global

Data never sleeps. Neither do standards.

WebsiteUpdated Jun 2026
Service: Building Management Systems (BMS/BAS)Service: Power Monitoring and ManagementIndustry: Data CentersType: Automation & Controls+16 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

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

Advantic LLC

Miamisburg, OH

Advantic LLC is a structural design-build firm based in Miamisburg, Ohio, delivering turnkey structural systems that integrate advanced composite materials with in-house fabrication and installation. Advantic specializes in lightweight fiber-reinforced polymer (FRP) and multi-material structural solutions for data center, industrial, edge computing, and AI infrastructure clients, and holds 50-state PE stamping capabilities.

WebsitePhone1 officeUpdated Jun 2026
Service: Structural DesignService: Engineer of Record ServicesIndustry: Data CentersType: Structural Engineering+13 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

Affiliated Engineers, Inc.

Madison, WI

Affiliated Engineers, Inc. (AEI) provides engineering leadership for complex projects, supporting clients who improve lives and protect the future. From better medicines, climate-sensitive energy supply, and sustainable utilization to cutting-edge paradigm technologies and education at the highest level, our mission drives us to find unique solutions to solve our clients’ challenges. In so doing, we are an integral element of innovation, positively impacting society.

WebsitePhone2 offices1 leaders
Service: Electrical and Energy SystemsService: All-Electric DesignIndustry: HealthcareType: Electrical Engineering+14 more

Aimright Testing & Engineering

Tulsa, OK

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Standard Penetration TestingIndustry: EducationType: Geotechnical Engineering+32 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026
Service: MEP EngineeringService: Mechanical Engineering DesignIndustry: CommercialType: MEP+67 more

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects
Service: MEP EngineeringService: Mechanical EngineeringIndustry: CommercialType: MEP+36 more

Alphatec PC

Washington, DC

Alphatec PC is a Washington, D.C.-based architectural and engineering design firm specializing in architectural, mechanical, electrical, and plumbing design for mission-critical facilities, secure spaces, and public sector projects. With more than 57 years of experience and over 18 million square feet of completed project area, its integrated teams have earned more than 35 industry awards. Alphatec also develops VEGA, a digital twin platform combining 3D modeling, augmented reality, and virtual reality for design visualization and stakeholder engagement.

WebsitePhone1 officeUpdated Jun 2026
Service: ArchitectureService: Structural EngineeringIndustry: GovernmentType: Architecture & Engineering+9 more

Alvine Associates Inc

Omaha, NE

Engineering innovation through science, art and business.

Website1 office43 leaders1 credentials
Service: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationType: Acoustic Consulting+23 more

AnSight LLC

Ann Arbor, MI

Insights Through Analysis

WebsitePhone1 office3 projects
Service: HVAC and Building Systems OptimizationService: HVAC Performance OptimizationIndustry: Data CentersType: Mechanical Engineering+36 more

Apex Project Solutions LLC

Westminster, MD

Apex Project Solutions LLC provides program, project, design, and construction management support to clients planning, designing, and building mission critical facilities. Its experienced technical staff manages the full project lifecycle from inception to completion, handling budgets, schedules, design coordination, stakeholder communication, construction liaison, and scopes to deliver complex facilities on time and within budget.

WebsitePhone1 officeUpdated Jun 2026
Service: Program and Project ManagementService: Design ManagementIndustry: Mission Critical FacilitiesType: Owner's Engineer+2 more

Aspire Engineering

Fairfax, VA

Aspire Engineering is a consulting engineering practice located in the Washington, DC metropolitan area that provides mechanical, electrical, plumbing, and fire protection engineering services. Project types include commercial, educational, healthcare, institutional, retail, recreation, residential, government, religious, and retrofits. In addition to design services, it provides construction administration services, sustainable and LEED design, energy and life cycle cost analysis, lighting analysis, existing building system evaluations, master planning, commissioning, BIM design, and peer review. It also offers educational and instructional seminars to clients to increase awareness and knowledge of the engineering design process, available systems, and design choices for projects to improve overall building efficiencies.

WebsitePhone1 office6 projects
Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC) SystemsIndustry: CommercialType: Mechanical Engineering+41 more

Avista Realtime Systems LLC

Industrial Intelligence Built and Delivered with Pride

Website5 projectsUpdated Jun 2026
Service: SCADA EngineeringService: SCADA System Design and ImplementationIndustry: Electric UtilitiesType: Automation & Controls+23 more

Avitility

Ashburn, VA

Trusted Mission Partner delivering cutting edge Audio Visual solutions

WebsitePhone1 officeUpdated Jun 2026
Service: Professional AV Design and EngineeringService: Concept and Capability AssessmentIndustry: GovernmentType: Defense Engineering+26 more

Axys Development LLC

St. Louis, MO

Advanced Automation & Control Systems for Critical Infrastructure

Website1 officeUpdated Jun 2026
Service: Building Automation SystemsService: Power Monitoring & ManagementIndustry: Data CentersType: Automation & Controls+6 more

BKF Engineers

Stronger by Design.

Website8 projects3 leaders2 credentials
Service: PlanningService: Civil EngineeringIndustry: TransportationType: Civil Engineering+38 more

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects
Service: Mechanical EngineeringService: HVAC and Mechanical SystemsIndustry: CommercialType: MEP+31 more

Barker & Associates, Inc.

San Antonio, TX

Consulting Engineers

Website1 office2 projects4 leaders
Service: Mechanical EngineeringService: HVAC SystemsIndustry: GovernmentType: MEP+35 more