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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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

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

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

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

Delta Engineering Group, LLC

Chicago, IL

Engineering a Better Tomorrow

WebsitePhone1 office4 projects8 credentialsFounded 1987Updated Jun 2026

Project: Metra Consolidated Control Facility

Service: Civil EngineeringService: Roads and StreetsService: FreewaysIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more

HED

Boston, MA

Because great design is more than what we do. It's who we are.

Website8 officesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Electrical EngineeringService: Mechanical & Plumbing EngineeringIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+18 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

McGuire Engineers, Inc.

Chicago, IL

Excellence by Design, Sustainability by Commitment

WebsitePhone1 office15 projects3 leaders17 credentialsFounded 1986

Project: The Momentary

Service: MEP Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Arts & CultureType: MEP+45 more

Milhouse Engineering and Construction, Inc.

Chicago, IL

We deliver creative solutions to complex problems

Website1 office1 projects21 leadersFounded 2001Size Estimate: 500-4,999 employeesUpdated Jun 2026

Project: O'Hare 10 Center

Service: Architectural EngineeringService: Civil EngineeringService: Comprehensive Civil Engineering And Transportation Design ServicesIndustry: AviationIndustry: Oil & GasType: Civil Engineering+31 more

Parametrix

Seattle, WA

Let's create tomorrow, together

Website15 offices5 projects9 leaders3 credentialsFounded 1969Updated Jun 2026

Project: Quincy Square on Fourth Street

Service: Advisory ServicesService: Climate Change & ResiliencyService: Electrical EngineeringIndustry: GovernmentIndustry: TransportationType: Electrical Engineering+24 more

Primera Engineers, Ltd.

Chicago, IL

People-forward engineering design and consulting services

WebsitePhone5 offices4 projects16 leaders17 credentialsFounded 1987

Project: U.S. Navy Great Lakes Bachelor Enlisted Quarters

Service: Buildings EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: Aviation Engineering+40 more

SINGH + Associates

Chicago, IL

Experience. Reliability. Integrity.

WebsitePhone1 office2 projects7 leaders7 credentialsFounded 1992

Project: Illinois Tollway Central Tri-State Reconstruction

Service: Civil EngineeringService: Transportation EngineeringService: Electrical EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+19 more

Shive-Hattery

Cedar Rapids, IA

People-Centered Design, Architecture + Engineering

Website8 offices1 credentialsSize Estimate: 650 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Branded EnvironmentsService: Building EnvelopeIndustry: CommercialIndustry: HealthcareType: Architecture & Engineering+40 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

TERRA Engineering, Ltd.

Chicago, IL

TERRA Engineering, Ltd. is a multi-disciplinary engineering and consulting firm with offices in Chicago, Peoria, St. Louis, and Milwaukee. TERRA provides transportation engineering, structural engineering, site development, landscape architecture, traffic engineering, electrical engineering, water resources, surveying, GIS, municipal engineering, construction engineering, and public involvement services for public and private clients in the Midwest and on international projects.

WebsitePhone4 offices10 projectsUpdated Jun 2026

Project: UChicago Campus South Walk

Service: Transportation EngineeringService: Structural EngineeringService: Site DevelopmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+16 more

exp Federal Inc.

Chicago, IL

Architecture + Engineering | Construction | Mission Support

Website5 offices9 projects1 credentialsFounded 2012Size Estimate: 250-500 employeesUpdated Jun 2026

Project: Fish Dispersal Barrier

Service: ArchitectureService: Master PlanningService: Facilities ProgrammingIndustry: DefenseIndustry: FederalType: Architecture & Engineering+45 more