Public engineering firm directory

Find engineering consulting firms by capability and location.

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B+AC

Chelsea, MA

Streamlining complex client visions into elegant and efficient solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Design and Modification

Service: Structural Design and ModificationService: New ConstructionService: AdditionsIndustry: EducationIndustry: HealthcareType: Structural Engineering+26 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

Delta Wye Critical Solutions LLC

Boston, MA

Delivering Solutions That Matter.

WebsitePhone1 office5 projects6 credentialsUpdated Jun 2026

Project: Falmouth Housing Authority Electrical Upgrades

Service: Pre-Construction ServicesService: Facility AssessmentsService: Conceptual LayoutsIndustry: CommercialIndustry: ResidentialType: MEP+28 more

Hamel Engineering, LLC

Sudbury, MA

Solving the Toughest Challenges for Emerging Technology Developers

Website1 office5 projectsUpdated Jun 2026

Project: Demo System Containerization

Service: Design & AnalysisService: System Architecture and Process DesignService: Skid Design and PackagingIndustry: Energy StorageIndustry: ChemicalsType: EPC+17 more

Newgrange Design Inc

Wakefield, MA

Excellence In Printed Circuit Board Design

WebsitePhone1 office7 leaders1 credentialsFounded 1996Size Estimate: 11-50 employees

Service detail: PCB Design and Layout

Service: PCB Design and LayoutService: Multilayer Layout and RoutingService: Schematic Entry and CaptureIndustry: AerospaceIndustry: Medical DevicesType: Electrical Engineering+20 more

Rist-Frost-Shumway Engineering

Boston, MA

Better systems, better places.

WebsitePhone3 offices9 projects10 leadersFounded 1957Size Estimate: 100-150 employees

Project: Hursey Center for Advanced Engineering and Health Professions

Service: Mechanical EngineeringService: HVAC DesignService: High-Performance Building SystemsIndustry: EducationIndustry: Research FacilitiesType: Civil Engineering+44 more

Tri-Star Design, Inc.

Hopkinton, MA

Electronic product development from concept to production

WebsitePhone1 office2 credentialsFounded 1991Updated Jun 2026

Service detail: Electronic Design Services

Service: Electronic Design ServicesService: PCB Design ServicesService: FPGA Design ServicesIndustry: Medical DevicesIndustry: RoboticsType: Electrical Engineering+29 more