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.

Filters1

Bartel Engineering

Hagerstown, MD

Bartel Engineering is a structural engineering firm based in Hagerstown, Maryland, providing engineering design for buildings, building construction support, structural condition surveys, and engineered wood components for residential, commercial, and industrial projects throughout Western Maryland and the surrounding region.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Engineering Design for Buildings

Service: Engineering Design for BuildingsService: Residential Structural DesignService: Commercial Building EngineeringIndustry: ResidentialIndustry: CommercialType: Structural Engineering+24 more

Isaiah Engineering, Inc.

Mobile, AL

Building the Future

WebsitePhone1 officeFounded 2003Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Construction Cost Estimating and Cost ControlService: Project Planning and SchedulingIndustry: FederalIndustry: GovernmentType: Automation & Controls+58 more

O&S Associates

Hackensack, NJ

Experts in new design and restoration engineering

Website6 offices6 projects16 leaders11 credentialsFounded 1996Size Estimate: 100-249 employees

Project: H Mart American Dream

Service: Design and Restoration EngineeringService: New Architectural DesignService: Restoration and RenovationIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+32 more

Sowinski Sullivan Architects Pc

Sparta, NJ

Transportation Architects and Engineers

WebsitePhone2 offices5 projects60 leaders1 credentialsFounded 1996

Project: MTA Railcar Accepting and Testing Facility

Service: Transportation DesignService: Bus & IntermodalService: RailIndustry: AviationIndustry: Freight & LogisticsType: Architecture & Engineering+7 more

infraTECH Engineers & Innovators, LLC

Houston, TX

Designing Infrastructure, Redefining Horizons

WebsitePhone2 offices6 projects1 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: US 75 Roadway Widening and Reconstruction

Service: Roadway & CivilService: Roadway Schematic DevelopmentService: Roadway and Interchange DesignIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+34 more