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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4D Tech Solutions, LLC

Fairmont, WV

Mission-Driven Design and Development

WebsitePhone1 office5 projects
Service: Technology DevelopmentService: MEMS-Mirror LiDAR SystemsIndustry: DefenseType: Aerospace Engineering+21 more

A&J Consulting Engineering Services, P.C.

Clifton, NJ

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.

WebsitePhone1 office5 projects
Service: MEP Systems DesignService: HVACIndustry: PharmaceuticalType: MEP+42 more

A.J. Adam Engineering, LLC

Towson, MD

Quality MEP Engineering Services You Can Trust

WebsitePhone1 officeFounded 2011
Service: MEP Engineering DesignService: Mechanical EngineeringIndustry: HealthcareType: MEP+46 more

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988
Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

AE Design

Denver, CO

All things electrical

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

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

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentials
Service: Engineering, Consulting and DesignService: Mechanical EngineeringIndustry: CommercialType: MEP+55 more

AN Consulting Engineer PLLC

New York, NY

Structural Engineering Consulting & Design

WebsitePhone1 office13 projects
Service: Structural EngineeringService: Structural DesignIndustry: CommercialType: Structural Engineering+10 more

ANRON

New York, NY

Founded in 1965, ANRON is a privately owned, full-service HVAC manufacturing, installation, and maintenance organization serving metropolitan New York, including the five boroughs of New York City and Nassau and Suffolk Counties on Long Island. Operating through specialized units ANRON Air Systems, Inc. and ANRON Mechanical Services, Inc., it provides vertically integrated sheet metal fabrication, mechanical installation, and ongoing maintenance. The organization serves premier construction managers and facility owners across diverse sectors, including commercial offices, retail centers, healthcare facilities, educational campuses, research laboratories, and correctional institutions.

Website1 office32 projects1 leaders
Service: HVAC InstallationService: Commercial and Institutional HVAC ConstructionIndustry: CommercialType: Mechanical Engineering+13 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

AP2EX Defense

Engineering Solutions for the Defense and Autonomous Systems Markets

WebsiteUpdated Jun 2026
Service: Defense & Autonomous Systems EngineeringService: Engineering Design ServicesIndustry: DefenseType: Defense Engineering+8 more

APSI, Inc.

Irvine, CA

We Solve.

WebsitePhone1 office5 projects
Service: Construction Project ManagementService: Program ManagementIndustry: EducationType: Owner's Engineer+16 more

ARCHÉ Consulting Group, LLC

Springfield, VA

The Best Team for Project Success

WebsitePhone2 offices1 leaders
Service: Program and Project ManagementService: Construction ManagementIndustry: GovernmentType: Owner's Engineer+33 more

AREHNA Engineering, Inc.

Tampa, FL

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.

Website3 offices4 credentialsUpdated Jun 2026
Service: Geotechnical EngineeringService: Subsurface Explorations and DrillingIndustry: TransportationType: Geotechnical Engineering+24 more

ARK Engineering LLC

Gainesville, FL

Quality by Design

WebsitePhone1 office5 leaders
Service: Pre-Design ServicesService: Detailed Cost EstimatingIndustry: HealthcareType: MEP+21 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects
Service: Civil Design and EngineeringService: Site Master Planning and LayoutIndustry: WastewaterType: Materials Testing+33 more

AccuTec Services, Inc.

Lee's Summit, MO

Precision commissioning, testing, and cleanroom certification services nationwide.

WebsitePhone1 office2 leaders
Service: Building Systems CommissioningService: Design Phase Commissioning & ReviewIndustry: HealthcareType: MEP+24 more

Acropolis Engineers

Raleigh, NC

Engineering. Delivered.

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

Advanced Professional Engineering Consultants

Corona, CA

Built for real world project delivery

WebsitePhone1 office5 credentials
Service: Mechanical Engineering & HVAC DesignService: HVAC System Design and Air DistributionIndustry: CommercialType: MEP+48 more

Advanced Structural Technologies Inc

Edina, MN

Engineering expertise. Easy communication. Collaborative solutions.

WebsitePhone1 office2 leaders
Service: Structural EngineeringService: Structural Conceptual PlanningIndustry: Multifamily ResidentialType: Structural Engineering+29 more

Advanced hCMOS Systems LLC

Discover something new with an hCMOS detector

Website4 leaders5 publicationsUpdated Jun 2026
Service: Custom IC DesignService: Radiation-Hardened ASIC DesignIndustry: ElectronicsType: Electrical Engineering+12 more

Affiliated Engineering Laboratories, Inc.

Edison, NJ

Forensic engineering and materials testing

WebsitePhone1 officeUpdated Jun 2026
Service: Forensic Engineering InvestigationsService: Automotive Failure AnalysisIndustry: LegalType: Forensic Engineering+35 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

Ai-Alt Structural Engineering PLLC

New York, NY

Our Work Exemplifies Successful Implementations of Advanced Technologies + Human Design Ingenuities

Website1 office12 projects1 leaders
Service: Structural EngineeringService: Reinforced Concrete Analysis and DesignIndustry: EducationType: Structural Engineering+20 more