Public engineering firm directory

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5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects2 leadersFounded 2009Updated Jun 2026

Project: Eastern Mirage Hotel & Medical Center

Service: Architectural DesignService: Programming and Master PlanningService: Zoning Compliance and ExpeditingIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+22 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ANZ Consulting Engineering

New York, NY

Engineering The Future

Website1 office1 credentialsUpdated Jun 2026

Service detail: MEP & Fire Protection Engineering

Service: MEP & Fire Protection EngineeringService: Mechanical SystemsService: Electrical SystemsIndustry: CommercialIndustry: ResidentialType: MEP+19 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Applemon

New York, NY

Engineers and Scientists

WebsitePhone2 offices22 projects1 credentialsFounded 2002Updated Jun 2026

Project: Infrastructure Upgrade in Coney Island

Service: Structural EngineeringService: Structural DesignService: Plan ModificationsIndustry: InfrastructureIndustry: ResidentialType: Automation & Controls+27 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

Atane Consulting

New York, NY

Excel. Together.

WebsitePhone10 offices7 projects17 leaders17 credentialsUpdated Jun 2026

Project: Bloomingdale Road Reconstruction

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+33 more

Baird, Hampton & Brown, Inc.

Fort Worth, TX

Building Partners

Website5 offices11 projects16 leaders24 credentialsFounded 1992Size Estimate: 140+ employees

Project: Bob Bolen Public Safety Complex

Service: Civil EngineeringService: Site DevelopmentService: Municipal InfrastructureIndustry: CommercialIndustry: RetailType: Civil Engineering+66 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

Burns Engineering, Inc.

Philadelphia, PA

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 more

Carpenter Associates

Old Town, ME

Carpenter Associates is a full-facility engineering practice based in Old Town, Maine, with more than 50 years of experience. It delivers mechanical, electrical, structural, and civil engineering alongside permitting and construction services for architects, municipalities, school departments, and private-sector clients across Maine and New England. Direct client engagement and careful attention to initial costs and long-term maintenance are central to every project.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil / Site Design

Service: Civil / Site DesignService: Site Selection AssessmentService: Phase I Environmental Site AssessmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+66 more

Hirani Engineering and Land Surveying D.P.C.

Hirani Engineering and Land Surveying D.P.C. is a New York engineering practice delivering construction management and inspection, structural engineering, civil and site engineering, monitoring and instrumentation, construction engineering, and land surveying services. It serves a broad public client base across New York State and New York City, including NYC Department of Design and Construction, DASNY, NYC Department of Transportation, the Port Authority of NY & NJ, and multiple MTA agencies covering NYC Transit, Metro-North Railroad, Long Island Rail Road, and Bridges & Tunnels.

Website11 projects3 credentialsUpdated Jun 2026

Project: JFK Airport Redevelopment Program

Service: Construction Management & InspectionService: Design and Construction SchedulingService: Cost Estimating and Value AnalysisIndustry: EducationIndustry: HealthcareType: Civil Engineering+62 more

KLJ Engineering, LLC

Bismarck, ND

Engineering, Reimagined

WebsitePhone1 office16 projects1 credentialsUpdated Jun 2026

Project: Four Bears Bridge

Service: AviationService: PlanningService: Program ManagementIndustry: AviationIndustry: AirportsType: Civil Engineering+54 more

Nitsch Engineering

Boston, MA

Building Better Communities With You

WebsitePhone5 offices5 projects5 leaders3 credentials3 publications

Project: Kennedy Street Green Infrastructure

Service: Civil EngineeringService: Due diligence and permitting strategyService: Site development advisory servicesIndustry: EducationIndustry: AirportsType: Civil Engineering+88 more

OM Engineering Services, Inc.

Orlando, FL

Engineering Built on a Solid Structure and Strong Foundation

WebsitePhone1 office1 projects7 leadersFounded 2005Size Estimate: 1-10 employees

Project: Colonel Joe Kittinger Fighter Jet Monument

Service: Civil EngineeringService: Site Engineering ServicesService: Roadway DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+41 more

Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 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

Quadrant Engineering, P.C.

Astoria, NY

Building Inspiration, Together.

WebsitePhone1 office6 leaders2 credentialsFounded 2019Updated Jun 2026

Service detail: Project and Construction Management

Service: Project and Construction ManagementService: Project EngineeringService: Construction Cost EstimatingIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+29 more

SC Solutions, Inc.

San Jose, CA

Value Through Innovation

Website3 offices5 projects3 leaders6 credentialsUpdated Jun 2026

Project: Varda Winnebago-1 Re-entry Capsule Development

Service: Control EngineeringService: Model-Based Control SoftwareService: Physics-Based Equipment ModelingIndustry: SemiconductorsIndustry: AerospaceType: Automation & Controls+21 more

SEQUE Infratech Inc.

Buffalo, NY

Engineering Design to PMC for Execution

WebsitePhone1 officeFounded 2020Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Design Center

Service: Design CenterService: Architectural DesignService: Structural EngineeringIndustry: InfrastructureIndustry: Oil & GasType: Architecture & Engineering+37 more

SRI Global, Inc.

Houston, TX

Professional Design Engineers and Consultants

Website1 office6 projects1 leaders1 credentialsFounded 2011Updated Jun 2026

Project: Cheniere LNG SIS Proof Testing and Risk Assessments

Service: Process EngineeringService: Front-End Engineering Design (FEED)Service: Process Hazard Analysis (PHA)Industry: Oil & GasIndustry: PetrochemicalType: Process Engineering+36 more