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 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 Wooten Company

Raleigh, NC

Designing the Future

Website6 offices5 projects12 leadersFounded 1936Updated Jun 2026

Project: Sustainable Design Supports Economic Development in Goldsboro

Service: Project FundingService: Grant & Loan IdentificationService: Funding Application SupportIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+28 more

Thielsch Engineering, Inc.

Cranston, RI

Thielsch Engineering, Inc. is a professional engineering firm that provides a complete range of consulting, design, and comprehensive engineering services to customers throughout the United States and internationally. Its experienced, multi-disciplined engineering and technical staff specializes in failure analysis, engineering design, process optimization, and condition assessment with expertise to solve any type of engineering challenge. Thielsch's mission is to deliver value-added, integrated services by reducing operating costs, increasing profitability by extending the operating life of capital equipment, improving reliability and safety, and conserving energy. It is part of The RISE Group, a family of engineering and energy service companies headquartered in Rhode Island.

WebsitePhone1 office6 leadersSize Estimate: 50+ employeesUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Design EngineeringService: Integrated EngineeringIndustry: IndustrialIndustry: Power GenerationType: Civil Engineering+21 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

Tighe & Bond

Westfield, MA

Environmental consulting with purpose.

Website8 offices2 projects7 leaders2 credentialsFounded 1911Size Estimate: 500-999 employees

Project: Climate Vulnerability Assessment for Massachusetts Watersheds

Service: Building ServicesService: MEP/FP DesignService: Energy Analysis & ModelingIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+38 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

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

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

Tri-City Engineers

West Richland, WA

Tri-City Engineers is a full-service engineering firm based in West Richland, Washington serving residential, commercial, agricultural, and industrial clients in the Pacific Northwest. The firm provides structural engineering, mechanical engineering, civil engineering, electrical engineering, and architectural design services, handling permit coordination and delivering construction-ready designs. Tri-City Engineers maintains close relationships with general contractors and fabricators to offer complete turn-key solutions.

WebsitePhone1 office3 projects4 leadersUpdated Jun 2026

Project: 6,000 SF Custom Home (P-1153)

Service: Residential Engineering and DesignService: Structural Engineering for New Homes, Remodels, and AdditionsService: Architectural DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+17 more

Tri-Tech Associates, Inc.

Centerville, OH

Tri-Tech Associates, Inc., operating as Tri-Tech Engineering, is a multidiscipline engineering firm founded in 1977 and based in Centerville, Ohio. Originally rooted in the Dayton area's automotive and heavy industrial markets, its practice now extends to commercial, healthcare, retail, and structural projects. Its staff delivers plumbing, mechanical, electrical, and structural design together with LEED program management, energy studies, commissioning, and investigative and forensic engineering services.

WebsitePhone1 officeFounded 1977Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Plumbing DesignService: Mechanical DesignIndustry: IndustrialIndustry: ManufacturingType: MEP+10 more

TriStar Engineering Group, Inc.

TriStar Engineering Group, Inc. is a Florida-based MEP engineering firm serving commercial facilities through commissioning, mechanical and electrical design, special inspections, and energy studies. Its licensed professional engineers perform detailed assessments of existing conditions for renovation projects and provide top-down MEP infrastructure evaluations for commercial property due diligence.

WebsiteUpdated Jun 2026

Service detail: Commissioning

Service: CommissioningService: Special InspectionsService: MEP Design ServicesIndustry: CommercialType: MEP+2 more

Trinidad Engineering Inc

Sudbury, MA

When your team can't afford to get it wrong.

WebsitePhone1 office2 projects1 leaders3 credentialsFounded 1996

Project: Nuvera Fuel Cell Retrofit

Service: HVAC Engineering and ConsultingService: HVAC System DesignService: Air Design and RetrofitIndustry: EducationIndustry: HealthcareType: Mechanical Engineering+27 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

U.S. Engineering

Kansas City, MO

People-Driven Solutions Built for What's Next

WebsitePhone10 offices2 projectsUpdated Jun 2026

Project: UCHealth Poudre Valley Hospital

Service: New ConstructionService: Mechanical ConstructionService: Offsite FabricationIndustry: Data CentersIndustry: HealthcareType: MEP+23 more

USFin Development, LLC

Outer Banks, NC

Architectural, Engineering, and Building Inspection Services

WebsitePhone2 offices5 leaders4 credentialsFounded 1999Updated Jun 2026

Service detail: Architectural and Engineering Services

Service: Architectural and Engineering ServicesService: Mechanical, Electrical, and Plumbing (MEP)Service: HVAC Optimization & Thermal AnalysisIndustry: FederalIndustry: DefenseType: Architecture & Engineering+22 more

United Engineering Inc

Industrial Ventilation & Piping Systems

Website9 projects8 leaders13 credentialsFounded 1996Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Production & DEA Vault HVAC Upgrades

Service: Industrial Ventilation & Air QualityService: Dust Collection SystemsService: Dust Hazard Analysis (DHA)Industry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+20 more

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more

VECO Engineers LLC

Haymarket, VA

VECO Engineers LLC is an MEP engineering firm established in 2013 and based in Haymarket, Virginia, delivering quality engineered design solutions for residential, commercial, institutional, and government clients. Its team provides mechanical, electrical, and plumbing design consultation, feasibility analysis, and project management to homeowners, contractors, and government agencies. Clients have recognized VECO's detailed knowledge of code compliance and its responsive, client-focused approach.

Website1 officeFounded 2013Updated Jun 2026

Service detail: MEP Design

Service: MEP DesignService: Feasibility ConsultationService: Project ManagementIndustry: ResidentialIndustry: CommercialType: MEP+1 more

VGCOM LLC

We Are Your Engineers and Energy Consultants

Website7 leaders6 credentialsFounded 2013Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: EducationType: MEP+33 more