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

3mg P S C

Designing Spaces. Engineering Solutions. Delivering Excellence

Website14 projects18 leadersUpdated Jun 2026

Project: American University - Student Center

Service: ArchitectureService: Master PlansService: Feasibility StudiesIndustry: CommercialIndustry: EducationType: Architecture & Engineering+48 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 more

AEGIS Engineering, LLC

Mill Creek, WA

Expert fire protection engineering and building code consulting solutions

WebsitePhone3 offices1 leaders1 credentialsFounded 2006Updated Jun 2026

Service detail: Code Compliance

Service: Code ComplianceService: Hazard AnalysisService: Inspection & CommissioningIndustry: CommercialIndustry: EducationType: Fire Protection Engineering+40 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AG|CM

Corpus Christi, TX

Professional Project Management Group

WebsitePhone5 offices4 projects10 credentialsFounded 1996Updated Jun 2026

Project: Harris County Emergency Corps Building Projects

Service: Program ManagementService: Master Planning & ProgrammingService: Feasibility AnalysisIndustry: HealthcareIndustry: EducationType: Owner's Engineer+24 more

AK Hydro, LLC

Specialized dam safety, assessment, and rehabilitation engineering

Website4 projects3 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Adams Lake Dam Rehabilitation

Service: Inspection and AssessmentsService: Detailed site inspectionsService: Field measurement and data gatheringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+18 more

Abaci Consulting

Grimes, IA

From Blueprint to Reality

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land subdivisionsService: Master planningIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+58 more

Acorn Engineering, Inc.

Portland, ME

Civil Engineering, Surveying, and Landscape Architecture in Maine

WebsitePhone3 offices3 projects1 leaders2 credentialsUpdated Jun 2026

Project: Watt Samaki Buddhist Temple

Service: Civil EngineeringService: Site Development DesignService: Utility DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+38 more

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects9 leaders3 credentialsFounded 2004

Project: Western Butler County Authority Administration Building

Service: Building CommissioningService: Design and Submittal AnalysisService: Controls and Checklist FormulationIndustry: GovernmentIndustry: CommercialType: MEP+40 more

Afterburner Wind Tunnel Services LLC

Northern Virginia, VA

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

Website1 office2 leadersUpdated Jun 2026

Service detail: Safety Engineering

Service: Safety EngineeringService: System Safety Program DevelopmentService: Hardware and Software Safety AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+11 more

Agha Engineering, LLC

Houston, TX

Engineering Innovation Forward

WebsitePhone1 office8 projects9 leaders2 credentialsSize Estimate: 60 employees

Project: Burnett Bayland Park

Service: Transportation EngineeringService: Roadway DesignService: Bike and Pedestrian PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects5 leadersFounded 1998Size Estimate: 1-25 employees

Project: Microchip Technology C6 Building

Service: Geotechnical EngineeringService: Subsurface Site InvestigationService: Foundation, Pavement, and Earthquake EngineeringIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+92 more

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: UC Berkeley Hildebrand Hall HVAC Modernization

Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordService: Design Drawing CreationIndustry: EducationIndustry: Research FacilitiesType: Mechanical Engineering+23 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Attollo, LLC

New Bern, NC

Technically Proficient & Operationally Relevant

WebsitePhone2 offices3 leadersUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Model-Based Systems EngineeringService: Rapid PrototypingIndustry: DefenseIndustry: FederalType: Defense Engineering+20 more

Avelar

Walnut Creek, CA

Collaborative & Innovative

WebsitePhone1 office5 projects6 leaders3 credentialsFounded 1976

Project: Combination of Condominium Units and Single-Family Homes

Service: Forensic and Litigation SupportService: Litigation Expert SupportService: Expert Witness TestimonyIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+38 more

BSI Engineering

Customer Centric. Industry Experts. Inspired Solutions.

Website5 projectsSize Estimate: 250+ employeesUpdated Jun 2026

Project: Transforming Aviation Testing Facilities for Enhanced Performance

Service: Process EngineeringService: Process OptimizationService: DebottleneckingIndustry: ChemicalsIndustry: PharmaceuticalType: Process Engineering+22 more

BSI Engineering & Surveying, Inc.

Eufaula, AL

Engineering, surveying, and environmental services across the southeast

WebsitePhone3 offices9 projects5 leadersFounded 1994Updated Jun 2026

Project: North Railroad Drainage Study

Service: PlanningService: Site Selection & AnalysisService: Site Assessment ReportsIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+36 more

Baeza Engineering

Austin, TX

Serving Texas with civil engineering, project management and construction-based services.

Website2 offices5 projects3 leadersFounded 2017Updated Jun 2026

Project: West Texas State Veterans Cemetery - Phase I Establishment

Service: Civil EngineeringService: Roadway and Drainage DesignService: Hydrologic and Hydraulic (H&H) ModelingIndustry: FederalIndustry: GovernmentType: Civil Engineering+25 more

Bayer Becker

Oxford, OH

Helping You Turn Spaces Into Places

Website3 offices3 projects10 leadersFounded 1974Size Estimate: 50-100 employeesUpdated Jun 2026

Project: Danville Parks Facilities

Service: PlanningService: Comprehensive Master PlanningService: Urban Infill and RedevelopmentIndustry: Mixed-UseIndustry: Parks & Open SpaceType: Civil Engineering+35 more

Berkshire Design Group

Northampton, MA

Leading the Industry in Sustainable Design

WebsitePhone1 officeFounded 1984Updated Jun 2026

Service detail: Landscape Architecture

Service: Landscape ArchitectureService: Land planning and site planningService: Conceptual and schematic designIndustry: GovernmentIndustry: CommercialType: Civil Engineering+26 more