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.

Filters2

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects9 leadersUpdated Jun 2026

Project: Wallops Mission Operations Command Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: ResidentialType: MEP+34 more

Ask Energy Inc

Carlsbad, CA

Building a Greener Future Together.

WebsitePhone7 offices13 leadersFounded 2017Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Energy Analysis and Engineering

Service: Energy Analysis and EngineeringService: Energy AuditsService: Energy ModelingIndustry: CommercialIndustry: EducationType: Power & Utility Engineering+9 more

Baldridge & Associates Structural Engineering, Inc.

Honolulu, HI

Full-service structural engineering

WebsitePhone3 offices8 projects6 leaders10 credentialsFounded 1995

Project: KO'ULA

Service: Structural EngineeringService: Resilient Structural DesignService: Seismic Resiliency DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+23 more

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

Bloom Companies, LLC

Milwaukee, WI

Bloom Companies, LLC is an engineering, architecture, and construction management practice founded in 1998 in Milwaukee, Wisconsin. Established by Mathew Tharaniyil, the organization initially focused on bridge and structural engineering, eventually expanding to cover transportation, architecture, electrical and controls, and design-build delivery. It has grown through key acquisitions, including Hay Dobbs in 2024 and Jendusa Design Build in 2025, and serves academic, municipal, transportation, industrial, and utility clients across multiple US offices and international locations.

WebsitePhone7 offices15 projects1 leaders12 credentialsFounded 1998

Project: Historic West Kilbourn Avenue Bascule Bridge Rehabilitation

Service: Bridge EngineeringService: New Bridge DesignService: Condition InspectionIndustry: BridgesIndustry: RailType: Civil Engineering+57 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

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders6 credentialsFounded 1969Size Estimate: 1,560 employees

Project: CMTA Corporate Headquarters Building 2

Service: Consulting EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: AviationType: MEP+30 more

Callan Consulting Engineers, Inc.

Chicago, IL

Your Strategic Engineering Partners

WebsitePhone2 offices5 projects2 leadersFounded 2021Size Estimate: 5-25 employees

Project: Humboldt Park Health Wellness Center

Service: Engineering ConsultingService: Virtual Reality WalkthroughsService: Educational WorkshopsIndustry: CommercialIndustry: ResidentialType: MEP+14 more

Cerami & Associates

New York City, NY

Acoustic Design + Technology Consulting

WebsitePhone9 offices1 leadersFounded 1965Updated Jun 2026

Service detail: Acoustic Design

Service: Acoustic DesignService: Architectural, Building Services & Interior AcousticsService: Sound Masking and Acoustic PrivacyIndustry: CommercialIndustry: Arts & CultureType: Acoustic Consulting+24 more

Clark Dietz, Inc.

Champaign, IL

Engineering Quality of Life

Website13 offices12 projects2 leaders4 credentialsSize Estimate: 100-400 employeesUpdated Jun 2026

Project: Illinois Tollway I-294 Bridge Reconstruction

Service: Transportation & RoadwaysService: Highways + InterstatesService: Local + County RoadsIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+35 more

Collins Engineers, Inc.

Chicago, IL

Building Tomorrow's Infrastructure, Today

WebsitePhone1 office11 projects1 leaders4 credentialsFounded 1979

Project: The 606 - Chicago, IL

Service: Civil EngineeringService: Site PlanningService: Utility DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+56 more

Cosentini Associates

New York, NY

Future-focused, cost-effective engineering solutions for building systems.

WebsitePhone12 offices6 projects16 leaders4 credentialsFounded 1952

Project: The Solaire

Service: MEP EngineeringService: Mechanical/HVAC EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Mixed-UseType: MEP+24 more

Cyclone Energy Group

Chicago, IL

High Performance Building Consultants

WebsitePhone2 offices15 projects34 credentials4 publicationsFounded 2012

Project: Chicago O'Hare CONRAC

Service: Commissioning & TestingService: Fundamental CommissioningService: Enhanced CommissioningIndustry: CommercialIndustry: EducationType: Simulation Engineering+34 more

DB Sterlin Consultants, Inc.

Chicago, IL

One Vision. Shared Future.

WebsitePhone1 office6 projects1 credentialsUpdated Jun 2026

Project: Wells Street Bridge over the Chicago River

Service: Civil EngineeringService: Roadway Design & GeometricsService: Bicycle & Multi-Use Pathway DesignIndustry: GovernmentIndustry: BridgesType: Civil Engineering+32 more

DESMAN

Boston, MA

Client-Focused Parking Solutions

WebsitePhone9 offices5 projects3 leaders3 credentialsFounded 1973

Project: Ft. Duquesne and Sixth Parking Garage Facade and Renovation

Service: Parking ConsultingService: Supply and Demand StudiesService: Concept PlanningIndustry: EducationIndustry: HealthcareType: Structural Engineering+30 more

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 more

DeSimone Consulting Engineering

New York, NY

Bridging science and humanity

Website11 offices1 projects3 leaders10 credentialsFounded 1969Updated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Facade and Building EnvelopeService: RestorationIndustry: AviationIndustry: TransportationType: Structural Engineering+23 more

ECS

Asheville

YOUR GO-TO Engineering Consulting Partner

Website44 offices6 projects6 leadersFounded 1988Updated Jun 2026

Project: SK Innovation EV Battery Site

Service: GeotechnicalService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+39 more

Elara Engineering

Chicago, IL

Founded in practicality. Driven by sustainability.

WebsitePhone2 offices12 projects12 credentialsFounded 2001Updated Jun 2026

Project: Loyola University Cuneo Hall

Service: Audits and StudiesService: Energy AuditsService: MEPFPIT AssessmentsIndustry: EducationIndustry: GovernmentType: MEP+15 more

Engage Civil Incorporated

Chicago, IL

Civil Engineering for an ever advancing civilization

WebsitePhone1 office9 projects4 leaders3 credentialsFounded 2013

Project: Bronzeville Medical Center

Service: Civil Site DesignService: Grading and Drainage DesignService: Sewer and Utility DesignIndustry: GovernmentIndustry: CommercialType: Civil Engineering+14 more

Environmental Design International Inc.

Chicago, IL

Excellence, dedication, and innovation.

WebsitePhone1 office4 projects6 leadersFounded 1991Updated Jun 2026

Project: IDOT District 1 Surveying

Service: Civil EngineeringService: Roadway and Highway DesignService: Location Design StudiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+17 more

GFT Infrastructure, Inc.

Allentown, PA

Ingenuity That Shapes Lives

WebsitePhone5 offices4 leadersUpdated Jun 2026

Service detail: Transportation

Service: TransportationService: Roadway and Highway DesignService: Bridge DesignIndustry: TransportationIndustry: AviationType: Transportation Engineering+38 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

GRAEF

Milwaukee, WI

collaborate | formulate | innovate

WebsitePhone10 offices10 projects5 leaders3 credentialsFounded 1961

Project: Baird Center Expansion

Service: FacilityService: Structural EngineeringService: Mechanical, Electrical & Plumbing EngineeringIndustry: CommercialIndustry: IndustrialType: Civil Engineering+23 more