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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C.C. Johnson & Malhotra, P.C.

Baltimore, MD

Provide the Highest Level of Service to Our Clients While Delivering Value

WebsitePhone6 offices16 projects8 leadersFounded 1979Size Estimate: 50-100 employees

Project: 540 West Madison

Service: Buildings and FacilitiesService: HVAC Systems DesignService: Electrical Power and LightingIndustry: CommercialIndustry: RetailType: Civil Engineering+58 more

EPCM Inc.

Burke, VA

Quality and client satisfaction with innovation and credibility.

WebsitePhone2 offices3 projects3 leaders2 credentialsFounded 1998

Project: Main Process Train

Service: Electrical EngineeringService: Power Distribution and GenerationService: Lighting DesignIndustry: CommercialIndustry: GovernmentType: Electrical Engineering+35 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects6 leaders10 credentialsFounded 1974

Project: O'Hare International Airport Terminal 5

Service: ArchitectureService: Condition AssessmentService: Spatial and Building DesignIndustry: TransitIndustry: TransportationType: Architecture & Engineering+48 more

Henderson Engineers

Lenexa, KS

Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.

Website15 offices4 leaders2 credentials2 publicationsSize Estimate: 1,000 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Air DistributionIndustry: CommercialIndustry: RetailType: MEP+29 more

Interface Engineering, Inc.

Portland, OR

Optimal Environments for Life

Website9 offices8 projects3 leaders3 credentialsFounded 1969Size Estimate: 220+ employees

Project: Hood River Middle School Music & Science Building

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing DesignIndustry: EducationIndustry: HealthcareType: MEP+13 more

Loring Consulting Engineers, Inc.

New York, NY

Loring Consulting Engineers, Inc. is an award-winning MEP consulting engineering firm committed to delivering high-value, smart engineering solutions tailored to optimize each client's investment and long-term needs. It employs over 200 staff including Professional Engineers, LEED Accredited Professionals, Certified Energy Managers, and Certified Building Commissioning Agents across nine North American offices. Loring serves premier higher education, healthcare, and cultural institutions, partnering with leading architects, developers, and private and public sector owners.

Website8 offices1 projectsFounded 1956Size Estimate: 200+ employeesUpdated Jun 2026

Project: Delacorte Theater

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+11 more

North Arrow, Inc.

Washington, DC

Future Focused Engineering

WebsitePhone1 office10 projects2 leaders2 credentialsFounded 2015

Project: Smoke Control Special Inspection, Ronald Reagan National Airport

Service: Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: FederalIndustry: DefenseType: MEP+27 more

R.G. Vanderweil Engineers, LLP

Boston, MA

Engineering Excellence

Website9 offices5 projects5 leadersSize Estimate: 500 employeesUpdated Jun 2026

Project: Massachusetts Institute of Technology, Central Plant Upgrade

Service: MEP/FP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+25 more

RESPEC Company LLC

Rapid City, SD

Practical Outcomes From Complex Challenges

WebsitePhone19 offices3 leadersUpdated Jun 2026

Service detail: Infrastructure Resiliency and Modernization

Service: Infrastructure Resiliency and ModernizationService: Transportation NetworksService: Water SystemsIndustry: MiningIndustry: TransportationType: Civil Engineering+43 more

SETTY

Fairfax, VA

Deliver High Performing Complex Buildings

WebsitePhone10 offices8 projectsFounded 1984Size Estimate: 100-250 employeesUpdated Jun 2026

Project: DCPS: COVID Retrofits / Emergency Indoor Air Quality Retrofits

Service: MEP/FP EngineeringService: Mechanical EngineeringService: GeothermalIndustry: HealthcareIndustry: LaboratoriesType: Automation & Controls+47 more

SETTY & Associates

Washington, DC

Design | Engineering | Sustainability

WebsitePhone12 offices12 projects9 leaders9 credentialsFounded 1984

Project: DCPS COVID / Emergency IAQ Retrofits

Service: MEP/FP EngineeringService: Mechanical HVAC Systems DesignService: Electrical Power and Lighting SystemsIndustry: HealthcareIndustry: LaboratoriesType: MEP+39 more

Syska Hennessy Group

Atlanta, GA

Engineering the Amazing

WebsitePhone21 offices7 projects10 leaders1 credentials2 publications

Project: Mount Sinai Behavioral Health Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: AviationIndustry: Power GenerationType: Automation & Controls+39 more

Vuur Consulting, LLC

Washington, DC

Fire Protection Consulting & Design

Website1 office1 leaders1 credentialsSize Estimate: 1-4 employeesUpdated Jun 2026

Service detail: Fire Protection Engineering

Service: Fire Protection EngineeringService: Fire Alarm System DesignService: Fire Sprinkler System DesignIndustry: HealthcareIndustry: FederalType: Fire Protection Engineering+23 more

WB Engineers+Consultants

Boston, MA

We Improve the Way Things Are Done

Website3 offices8 projects11 leaders10 credentialsSize Estimate: 50-100 employeesUpdated Jun 2026

Project: AMP GMP Facility Design for Gene Therapy Manufacturing

Service: Mechanical, Electrical, Plumbing, Fire Alarm & Fire Protection EngineeringService: HVAC system designService: Electrical power and distribution designIndustry: Research FacilitiesIndustry: Mission Critical FacilitiesType: Automation & Controls+39 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more