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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Baumann Consulting Inc

Washington, DC

Delivering solutions for a carbon-neutral real estate industry.

Website3 offices48 leadersFounded 2006Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Commissioning

Service: CommissioningService: Building Enclosure CommissioningService: Systems CommissioningIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+12 more

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

Engenium Group LLC

Washington, DC

Delivering innovative engineering solutions through collaboration and a people-first approach.

Website3 offices7 projects9 leaders3 publicationsSize Estimate: 41 employeesUpdated Jun 2026

Project: Waterfront Station at 1100 4th Street

Service: Mechanical Engineering & DesignService: HVAC and Climate Control DesignService: Ground Source Heating & CoolingIndustry: CommercialIndustry: GovernmentType: MEP+20 more

Equator Corporation

Washington, DC

Strength of Team, Depth of Capability

WebsitePhone3 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: DISA JITC Test and Evaluation Contract II

Service: Executive, Program, and Project ManagementService: Strategic Planning and Policy DevelopmentService: Executive Management Consulting and MentoringIndustry: DefenseIndustry: FederalType: Defense Engineering+43 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

Grotheer & Company

Washington, DC

Professional Engineering

WebsitePhone1 office3 leadersFounded 1954Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power Quality StudiesService: Arc Flash / Short Circuit AnalysisIndustry: GovernmentIndustry: FederalType: MEP+34 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

Modjeski and Masters, Inc.

Mechanicsburg, PA

One of the world's leading bridge engineering practices

WebsitePhone19 offices7 projects2 leaders2 credentialsFounded 1893

Project: Hawk Falls Bridge Replacement

Service: Bridge DesignService: Fixed Bridge DesignService: Movable Bridge DesignIndustry: BridgesIndustry: TransportationType: Structural Engineering+26 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

Pacific Aerospace Consulting Inc

San Diego, CA

Innovative Independent Professional Solutions

Website6 offices4 leaders1 credentialsFounded 2004Updated Jun 2026

Service detail: Aerospace Acquisition and Sustainment

Service: Aerospace Acquisition and SustainmentService: Acquisition Strategies and Management SupportService: Program ManagementIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+29 more

ProSource Consulting, LLC

Washington, DC

ProSource Consulting, LLC is a Washington, DC metropolitan facilities management and engineering support firm serving federal, state, local, commercial, and institutional clients. It provides operations and maintenance, facilities engineering, spatial data management, inspections, CAD design, project management, and administrative support, with named client work spanning Treasury, NIH, ATF, GSA, VA, DOE, and FDA facilities.

WebsitePhone2 offices1 leaders8 credentialsUpdated Jun 2026

Service detail: Facilities Operations & Maintenance

Service: Facilities Operations & MaintenanceService: Facilities and Engineering ManagementService: Engineering and Management StudiesIndustry: GovernmentIndustry: FederalType: Mechanical Engineering+48 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 & 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