Public engineering firm directory

Find engineering consulting firms by capability and location.

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AHA Consulting Engineers

Burlington, MA

beyond engineering

WebsitePhone5 offices4 projects6 leadersFounded 1991Updated Jun 2026

Project: Assembly Innovation Park

Service: MEP/FP DesignService: Mechanical systemsService: Electrical systemsIndustry: Research FacilitiesIndustry: EducationType: MEP+25 more

APE Structural Engineering

San Diego, CA

California's trusted partner for safe, efficient, and beautiful structures

WebsitePhone3 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural ConsultationService: Visual Assessment And 3D Modeling To Evaluate FeasibilityIndustry: ResidentialIndustry: CommercialType: Structural Engineering+18 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 more

Alliant Systems

Portland, OR

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

WebsitePhone4 offices1 leadersUpdated Jun 2026

Service detail: Mechanical Systems Engineering

Service: Mechanical Systems EngineeringService: Design-Build Mechanical EngineeringService: BIM & Virtual Design and Construction (VDC)Industry: CommercialIndustry: HealthcareType: MEP+11 more

Beekman Point Engineering

North Charleston, SC

Engineered Better

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP and Fire Protection Consulting

Service: MEP and Fire Protection ConsultingService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: GovernmentIndustry: FederalType: MEP+31 more

CIMA Engineering Corp.

Fort Lauderdale, FL

Helping you succeed!

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Consulting Engineering

Service: Consulting EngineeringService: Studies & AnalysesService: Drawings & SpecificationsIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+10 more

Calloway Design, LLC

Golden, CO

Trusted Mechanical & Plumbing Engineers + BIM Modeling Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical and Plumbing Engineering

Service: Mechanical and Plumbing EngineeringService: BIM Modeling and CoordinationService: Shop and Fabrication DrawingsIndustry: CommercialIndustry: ResidentialType: MEP+6 more

DST Engineers

Powering a Reliable, Renewable Future

WebsiteUpdated Jun 2026

Service detail: Distribution Engineering

Service: Distribution EngineeringService: Distribution System Planning, Design and Engineering (OH/UG to 35 kV)Service: Load Forecasting and Growth ModelingIndustry: Electric UtilitiesIndustry: Automation & ControlsType: Power & Utility Engineering+34 more

EEA Consulting Engineers

Austin, TX

Thoughtful Engineering. Shared Success.

WebsitePhone3 offices18 leaders4 credentialsFounded 1977Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+35 more

EESEngineering

Phoenix, AZ

Collaborate. Innovate. Excel.

Website1 office2 projects1 leadersFounded 2020Updated Jun 2026

Project: City of Phoenix Transportation 2050 Program Support

Service: General Engineering ConsultingService: Utility Interconnection EngineeringService: OATT EngineeringIndustry: TransportationIndustry: AirportsType: Electrical Engineering+26 more

Elia Grid International

Solving the Energy Transition Challenges

Website9 leaders1 credentialsUpdated Jun 2026

Service detail: Asset Management And Operations

Service: Asset Management And OperationsService: Strategic Asset ManagementService: Tactical Asset ManagementIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Owner's Engineer+19 more

Feldman Geospatial

Boston, MA

Beyond surveying.

WebsitePhone3 officesFounded 1946Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA/NSPS Land Title SurveysService: Chapter 91 License PlansIndustry: CommercialIndustry: ResidentialType: Land Surveying+27 more

Fenn Enterprises

Lake Forest Park, WA

Hydrographic Surveyors

WebsitePhone1 office4 projects2 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Project: Derelict Crab Pot Surveys - Port Susan and Similk Bay

Service: Hydrographic SurveysService: Sidescan Sonar SurveysService: Multibeam Sonar SurveysIndustry: MarineIndustry: Natural ResourcesType: Marine Engineering+19 more

Green Acorn LLC

Tulsa, OK

Fresh Perspective. Innovative Solutions.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: ARCO Building

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+42 more

Hopkins Lacy

Roanoke, VA

Hopkins Lacy is a commercial and industrial MEP contractor headquartered in Roanoke, Virginia, serving clients throughout Central and Southwest Virginia and licensed to operate in Virginia, West Virginia, North Carolina, and Tennessee. Established in 1922, Hopkins Lacy operates Mechanical, Electrical, Controls, Special Projects, and Service Divisions, along with an in-house Engineering Department for BIM coordination and design-build delivery. The team has served health care, manufacturing, research and development, higher education, and hospitality clients across the region.

WebsitePhone3 offices10 projects6 leaders3 credentialsFounded 1922

Project: UVA Hospital Expansion

Service: MechanicalService: HVAC systems including air handling units, boilers, chillers, cooling towers, and VAV systemsService: Medical gas installation and service (certified)Industry: HealthcareIndustry: ManufacturingType: MEP+28 more

Ikerd Consulting, LLC

Dallas, TX

People | Building | Clarity

WebsitePhone1 officeUpdated Jun 2026

Service detail: BIM and Virtual Design and Construction

Service: BIM and Virtual Design and ConstructionService: Clash Detection and CoordinationService: Facility Asset ManagementIndustry: CommercialIndustry: IndustrialType: Civil Engineering+18 more

KTS Engineering Group

Shepherd, MI

We Are Experienced Trusted Innovative Reliable Engineers

WebsitePhone1 officeUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power Distribution SystemsService: Primary DistributionIndustry: HealthcareIndustry: EducationType: MEP+14 more

McDermott

Building Energy's Future for Now and What's Next

Website4 projects9 leaders1 credentialsFounded 1923Size Estimate: 30,000 employeesUpdated Jun 2026

Project: Harriet Alpha Platform Decommissioning

Service: EngineeringService: ProcurementService: LocatesIndustry: Oil & GasIndustry: Power Transmission & DistributionType: EPC+25 more

Nayak Corporation

Hamilton, NJ

Power System Simulator and Study Experts

WebsitePhone1 office9 projectsUpdated Jun 2026

Project: Capacitor Fault Clearing TRV Study

Service: Power System Simulation ConsultingService: HVDC and FACTS Modeling and AnalysisService: Transient Over-Voltage and Insulation CoordinationIndustry: Power GenerationIndustry: Electric UtilitiesType: Power & Utility Engineering+25 more

PAX Engineering & Design

San Francisco, CA

PAX Engineering & Design specializes in shoring and formwork design for elevated concrete decks and cast-in-place concrete walls. It also provides structural engineering services across multiple states, including California, Oregon, Washington, Hawaii, and Texas. The practice leverages building information modeling (BIM) and virtual design and construction (VDC) to generate highly coordinated 3D models and construction drawings.

WebsitePhone1 office9 projectsFounded 2008Updated Jun 2026

Project: 11W

Service: Structural EngineeringService: Shoring EngineeringService: Formwork EngineeringIndustry: CommercialIndustry: ResidentialType: Structural Engineering+3 more

Proximo Aero Sp. z o.o.

Rzeszow

Accredited Calibration Laboratory & R&D Engineering Center

WebsitePhone1 office3 projects1 credentialsUpdated Jun 2026

Project: AMMORE - Ammonia Fuel Cell Research Platform

Service: Calibration ServicesService: Torque CalibrationService: Pressure Calibration & Leak TestingIndustry: AviationIndustry: AerospaceType: Mechanical Engineering+23 more

QuantumGov Solutions, LLC

Pontiac, MI

Engineering | Consulting | Prototyping | R&D | Acquisition

WebsitePhone1 office7 projectsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: MIL-FORGE Rapid COTS Hardening Pipeline

Service: Electrical EngineeringService: Combat vehicle power systemsService: MIL-STD-1275/461 complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+34 more

QuantumWorks Corporation

San Diego, CA

QuantumWorks Corporation (QWC) is a San Diego, California engineering firm founded in 1993 that designs and builds custom electric and hybrid powertrains for ground vehicles, powersports craft, marine vessels, and unmanned aerial systems. QWC supplies complete plug-and-play electric powertrain kits, individual subsystems, and powertrain parts to OEMs, high-performance builders, and startups, and provides technology project management and business plan consultation. Founder Steve Tice co-founded electric powertrain pioneer EVDrive Inc. and has led technical management on landmark projects including the Nikola One 6x6 hybrid semi-truck, a world-record all-electric catamaran, multiple land-speed-record electric Corvette builds, and the first AWD torque-vectoring UTV.

WebsitePhone1 office7 projects1 leadersFounded 1993Updated Jun 2026

Project: Nikola One 6x6 Hybrid Semi-Truck Powertrain

Service: Custom Electric & Hybrid Powertrain EngineeringService: Drive SubsystemsService: Energy Storage Subsystems (ESS)Industry: AutomotiveIndustry: AviationType: Mechanical Engineering+19 more

Ramboll

Bright ideas. Sustainable change.

Website8 projects8 leaders5 credentials3 publicationsFounded 1945Size Estimate: 18,000 employees

Project: Transforming a coal-fired power plant site into a low-carbon digital hub

Service: Engineering and Design ServicesService: Structural EngineeringService: Mechanical and Electrical EngineeringIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Architecture & Engineering+44 more