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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The Mannik & Smith Group, Inc.

Toledo, OH

Technical Skill. Creative Spirit.

Website3 offices8 projects4 leaders2 credentialsFounded 1955Size Estimate: 50-200 employees

Project: Waterfront Walkway Seawall

Service: Civil EngineeringService: Site DevelopmentService: Stormwater Management & Green InfrastructureIndustry: TransportationIndustry: GovernmentType: Civil Engineering+59 more

The PDC Group, LLC

Cypress, TX

Premier MEP Forensic Engineers in Texas

WebsitePhone1 office5 projects1 leadersFounded 2000Updated Jun 2026

Project: Oaklawn Emergency Room Phase I

Service: Building Automation & ControlService: Life Safety SystemsService: Computer-Driven Optimization, Control & MonitoringIndustry: CommercialIndustry: HealthcareType: MEP+41 more

The R.E.M. Engineering Co., Inc.

The R.E.M. Engineering Co., Inc. is a multi-discipline engineering and design-build practice offering professional services for industrial, commercial, and governmental projects. It provides civil, structural, electrical, and mechanical engineering alongside construction management and design-build services.

Website10 projectsUpdated Jun 2026

Project: VA Loma Linda Healthcare System Elevator Modernization

Service: Engineering DesignService: Civil and Structural EngineeringService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+20 more

The RMH Group

Lakewood, CO

Making a Difference Through Engineering

WebsitePhone3 offices13 projects76 leaders8 credentialsUpdated Jun 2026

Project: USAFA Hosmer Visitor Center

Service: Mechanical EngineeringService: HVACService: Industrial HVACIndustry: AviationIndustry: CommercialType: MEP+39 more

The Realtime Group

Plano, TX

World-class design and engineering for regulated industries.

WebsitePhone1 office6 projects8 leaders1 credentialsSize Estimate: 25-50 employees

Project: AirKor UltraEzAir

Service: Human Factors EngineeringService: Risk analysis and FMEAService: Formative evaluationsIndustry: Medical DevicesIndustry: Automation & ControlsType: Automation & Controls+66 more

Thompson & Litton, Inc.

Wise, VA

Integrity. Insight. Innovation.

WebsitePhone9 offices3 projects7 leaders2 credentialsFounded 1956

Project: EO of SWVA Adaptive Reuse Project

Service: ArchitectureService: Designs FunctionalService: EfficientIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+29 more

Thompson & Youngross Engineering Consultants

Boca Raton, FL

Excellence & Innovation Built Into Every Design.

WebsitePhone1 office5 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Thermal Energy Storage SolutionsIndustry: CommercialIndustry: RetailType: MEP+19 more

Thompson Consulting Engineers

Hampton, VA

Thompson Consulting Engineers is a Hampton, Virginia-based MEP engineering firm with over 70 years of experience serving clients in the Commonwealth of Virginia. Founded in 1954, TCE provides mechanical, electrical, and plumbing engineering services for K-12 education, municipal government, higher education, commercial, and industrial facilities, with a specialty niche in the K-12 and public-sector markets.

WebsitePhone3 offices7 leaders1 credentialsFounded 1954Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: EducationIndustry: GovernmentType: MEP+3 more

Thompson Ehle Company

Mechanical, Electrical, Plumbing, Fire Protection, Civil, & Technology Infrastructure Consulting Engineers

Website10 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC) DesignService: Free Cooling SystemsIndustry: Arts & CultureIndustry: AviationType: Mechanical Engineering+59 more

Thompson Engineering, Inc.

Littleton, CO

We take complicated and deliver simple realities for all mechanical, process, and plumbing systems.

WebsitePhone1 office2 projectsFounded 2002Updated Jun 2026

Project: Lieutenant Colonel John W. Mosley VA Clinic

Service: Mechanical EngineeringService: HVAC Equipment SelectionService: System ControlsIndustry: IndustrialIndustry: Senior LivingType: MEP+31 more

Three i Design

Evansville, IN

Imagination. Innovation. Integrity.

WebsitePhone1 officeSize Estimate: 50-150 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: PlanningService: Architectural DesignIndustry: HealthcareIndustry: CommercialType: Architecture & Engineering+32 more

Tipton Engineering

Santa Fe, NM

Tipton Engineering is an engineering and architecture practice based in Santa Fe, New Mexico, specializing in sustainable and energy-efficient building and systems design. Founded in 2018, it operates as a hands-on practice with a combined 25 years of design and construction experience, modeling projects in Autodesk Revit for comprehensive BIM coordination.

WebsitePhone1 office5 projects2 leaders1 credentialsFounded 2018

Project: National Hispanic Cultural Center Welcome Center

Service: Mechanical EngineeringService: HVAC System DesignService: Energy Modeling and SimulationIndustry: EducationIndustry: Financial ServicesType: MEP+21 more

Tom Green & Company Engineers, Inc.

Austin, TX

A Company of Owners providing Quality MEP Engineering.

Website1 officeUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: GovernmentType: MEP+9 more

Tomorrow Lab

Brooklyn, NY

A technology innovation studio helping innovators design and engineer hardware products

Website1 office5 projects2 leaders7 credentialsFounded 2010Updated Jun 2026

Project: JUMP Bike Interface

Service: Prototype InnovationService: Strategy and User ResearchService: Industrial Design and User ExperienceIndustry: Consumer ProductsIndustry: ElectronicsType: Mechanical Engineering+13 more

Total Design Engineering

Huntsville, AL

Total Design Engineering (TDE) is a full-service mechanical, electrical, and plumbing (MEP) engineering design firm based in Huntsville, Alabama. Since 2006, TDE has successfully delivered more than 3,500 projects across commercial, healthcare, education, government, aviation, and industrial sectors, consistently exceeding client expectations through innovative design, technical expertise, and dependable performance.

WebsitePhone1 officeFounded 2006Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Split HVAC SystemsService: Packaged HVAC SystemsIndustry: CommercialIndustry: HealthcareType: MEP+25 more

Total Engineering & Consulting Services, LLC

Norristown, PA

Designing the Future

WebsitePhone3 offices8 leadersUpdated Jun 2026

Service detail: Civil, Mechanical & Electrical Engineering

Service: Civil, Mechanical & Electrical EngineeringService: Civil EngineeringService: Mechanical EngineeringIndustry: UtilitiesIndustry: GovernmentType: Civil Engineering+37 more

Toth and Associates

Springfield, MO

Full-service consulting engineering specializing in electric utility engineering, structural engineering, civil engineering, land surveying, and GIS.

WebsitePhone5 offices10 leaders1 credentialsFounded 2003Size Estimate: 150-250 employees

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical System PlanningService: Electrical Substation DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+38 more

TranSmart Technologies

Partnering in Solutions that Work for You

Website10 projectsFounded 1986Updated Jun 2026

Project: Jane Byrne Circle Interchange Reconstruction Design, Phase I and II

Service: Traffic EngineeringService: Traffic Data Collection and Traffic CountsService: Traffic Origin-Destination StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+63 more

Treetown Tech

Ann Arbor, MI

From Concept to Production, Faster, Smoother, With Less Risk.

WebsitePhone1 office3 projects1 publicationsUpdated Jun 2026

Project: Retrofitted Wheelchair Ramp for EU Bus

Service: Product Design & DevelopmentService: Industrial DesignService: Product Development & StrategyIndustry: ManufacturingIndustry: SemiconductorsType: Mechanical Engineering+31 more

Tres West Engineers, Inc.

Tacoma, WA

Creating environments of learning, living, working, and connecting through high quality professional design

WebsitePhone1 office12 projects3 leaders1 credentialsFounded 1976

Project: Mountlake Terrace Transit Center

Service: Mechanical EngineeringService: HVAC and Hydronic SystemsService: Plumbing and Piping SystemsIndustry: EducationIndustry: ResidentialType: MEP+31 more

Triumph Services LLC

Cleveland, OH

Engineering + Material Testing

WebsitePhone3 offices2 leaders1 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Mechanical EngineeringService: HVAC DesignIndustry: EducationIndustry: IndustrialType: MEP+21 more

Trotter and Associates, Inc.

St. Charles, IL

Civil Engineering and Design for Municipal and Public Projects

WebsitePhone1 office6 projects1 credentialsUpdated Jun 2026

Project: Well No. 8 Water Treatment Plant Rehabilitation

Service: Civil Engineering DesignService: Water Distribution SystemsService: Sanitary Collection SystemsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+50 more

UNIPRO Architects - Engineers LLP

San Juan, PR

Since 1980, Providing High Quality Services to Our Clients in Puerto Rico and Abroad

WebsitePhone1 office3 leadersFounded 1980Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural ProgrammingService: Zoning and PermittingIndustry: CommercialIndustry: EducationType: Architecture & Engineering+26 more

Universal Design Associates, Inc.

Ferdinand, IN

Beyond Design. Creating a Better Experience.

WebsitePhone1 office4 projects2 leaders7 credentialsFounded 1966

Project: German American Operations Center

Service: ArchitectureService: 3D RenderingsService: EngineeringIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+12 more