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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AEIS

South Plainfield, NJ

Helping Build a Safer Infrastructure

WebsitePhone2 offices4 projects3 leaders2 credentialsFounded 2008

Project: LaGuardia Airport Redevelopment

Service: Construction Quality AssuranceService: Special and Critical InspectionsService: Non-Destructive TestingIndustry: AviationIndustry: AirportsType: Materials Testing+15 more

Atlantic Testing Laboratories, Limited

Canton, NY

Atlantic Testing Laboratories, Limited (ATL) is a full-service engineering support firm with eleven offices throughout New York State, providing geotechnical engineering, materials testing, environmental services, and subsurface investigation to infrastructure, industrial, governmental, and private clients across the Northeast, Midwest, and Mid-Atlantic regions. ATL maintains a database of more than 6,000 completed geotechnical and subsurface investigation projects in the Northeastern United States, in-house geotechnical laboratories, a diverse fleet of drill rigs, and an in-house fabrication shop for custom field tools. Key capabilities include subsurface investigations (soil and rock sampling, SPT, CPT, groundwater monitor well construction), construction material testing (concrete, steel, asphalt, masonry), geotechnical engineering (foundation design, pavement design, slope stability, dynamic pile testing), environmental services (Phase 1 and 2 ESA, asbestos and lead surveys, mold assessment, SWPPP inspections, vapor intrusion assessments), and nondestructive testing.

Website2 offices4 projectsUpdated Jun 2026

Project: Tappan Zee Bridge

Service: Subsurface InvestigationsService: Soil and Rock SamplingService: Standard Penetration Testing (SPT)Industry: InfrastructureIndustry: GovernmentType: Geotechnical Engineering+46 more

Fickett Structural Solutions, Inc.

Middleton, WI

Structural Integrity. Engineering Excellence.

WebsitePhone5 offices16 projects6 credentialsUpdated Jun 2026

Project: Baker's Ferry Emergency Bridge Inspection

Service: Structural Inspection ServicesService: Bridge & Culvert InspectionService: Ancillary Structure InspectionIndustry: BridgesIndustry: TransportationType: Structural Engineering+25 more

Fischer Engineering Company LLC

Dayton, OH

Welding engineering and qualification testing

WebsitePhone1 office2 leadersFounded 1976Updated Jun 2026

Service detail: Welding Engineering Services

Service: Welding Engineering ServicesService: Engineering ConsultingService: Qualification GuidelinesIndustry: ManufacturingIndustry: IndustrialType: Materials Engineering+17 more

Gap Engineering, Construction & Inspections

Turn-key project solutions, done right.

WebsiteFounded 2004Updated Jun 2026

Service detail: EPC & Project Management

Service: EPC & Project ManagementService: Project ManagementService: FEL StudiesIndustry: Oil & GasIndustry: PetrochemicalType: Industrial Engineering+37 more

Hollatz Engineering, Inc.

Juneau, AK

Hollatz Engineering, Inc. (formerly Wilson Engineering, founded 1985) provides third-party construction administration, inspection, special inspection, and materials testing services for civil and building projects in Juneau and Southeast Alaska. With over 35 years of experience and involvement in more than $400 million of construction projects, Hollatz Engineering has supported roads, bridges, airport facilities, marine infrastructure, water and sewer systems, and public buildings throughout the region.

WebsitePhone1 office5 projects1 leaders2 credentialsFounded 1985

Project: Columbia Blvd, Poplar Ave, and Mendenhall Blvd Reconstruction

Service: Construction Administration and Contract ManagementService: Quality Assurance, Observation, and DocumentationService: Special Inspection ServicesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+21 more

Keyowner Engineering, PC

Queens, NY

Keyowner Engineering, PC is a multi-discipline professional engineering corporation based in New York. The practice provides engineering, inspection, and construction management services to private, public, and financial institution clients. It offers structural engineering design, mechanical design, energy engineering, and a broad range of inspection services, including building systems inspections, bridge inspections, and Local Law compliance inspections.

WebsitePhone1 office1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Structural EngineeringService: Mechanical EngineeringIndustry: CommercialIndustry: GovernmentType: Structural Engineering+21 more

Lokimox

Plano, TX

Expert witness and forensic engineering services for the oil and gas, refining, and pipeline industries

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Expert Witness Services

Service: Expert Witness ServicesService: Failure analysisService: Forensic engineering investigationsIndustry: Oil & GasIndustry: LegalType: Forensic Engineering+18 more

Metallurgical Engineering Services, Inc.

Richardson, TX

Your expert resource for materials analysis.

WebsitePhone1 office8 credentialsFounded 1985Updated Jun 2026

Service detail: Materials Testing

Service: Materials TestingService: Mechanical TestingService: Tensile TestingIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+79 more

Professional Engineering Solutions, LLC

Houston, TX

Professional Engineering Solutions (PES) is a licensed professional engineering practice in Houston, Texas, with experienced engineering experts across multiple disciplines. It provides reliable engineering solutions to challenging technical problems using current methods, specifications, codes, standards, and advanced modeling and simulation techniques. The practice is highly skilled in engineering analysis and computational simulations, and also serves as a third-party reviewer to verify that engineering services performed by others conform to industry standards, codes, and project specifications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural and Mechanical Engineering

Service: Structural and Mechanical EngineeringService: Global Static and Dynamic AnalysesService: Finite Element Analysis and Computational Fluid DynamicsIndustry: Oil & GasIndustry: PetrochemicalType: Structural Engineering+29 more

SAI Metallurgical Engineering LLC

Idaho Falls, ID

Specialized metallurgical engineering, materials testing, and corrosion failure analysis

WebsitePhone1 office1 leaders2 credentialsUpdated Jun 2026

Service detail: Metallurgical Engineering

Service: Metallurgical EngineeringService: Microstructural AnalysisService: Mechanical Testing and Fracture MechanicsIndustry: MetalsIndustry: Oil & GasType: Materials Engineering+21 more

Sperko Engineering Services, Inc.

Greensboro, NC

Specialized consulting in welding, metallurgy, corrosion, and ASME code compliance

WebsitePhone1 office1 leaders4 publicationsFounded 1981Size Estimate: 1-9 employees

Service detail: Welding Engineering Consulting

Service: Welding Engineering ConsultingService: Procedure QualificationService: Welder QualificationIndustry: Oil & GasIndustry: Power GenerationType: Materials Engineering+21 more

Via Consulting Services Inc

Jacksonville, FL

Leading and Supporting, We Build Florida's Future Together

WebsitePhone4 offices7 projects6 leaders6 credentialsFounded 2010

Project: RiversEdge Phase 3 CRA/CDD Project

Service: Construction Engineering and InspectionService: Inspection ServicesService: Quality Assurance and Quality ControlIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+48 more

Welding & Joining Technology, LLC

Auburn Hills, MI

Bold Competence

WebsitePhone1 office5 credentialsFounded 2018Size Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Welding Engineering Services

Service: Welding Engineering ServicesService: Welding procedure (WPS) and procedure qualification (PQR) developmentService: Welding process engineering and optimizationIndustry: DefenseIndustry: AerospaceType: Materials Engineering+39 more

Wilsdorf Consulting, LLC

Tulsa, OK

Welding Engineering & CWI Inspection Services

WebsitePhone1 office1 leaders2 credentialsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: WPS/PQR Development & Qualification

Service: WPS/PQR Development & QualificationService: WPS Drafting and Test Coupon DesignService: PQR Witnessing and Performance TestingIndustry: Oil & GasIndustry: Power GenerationType: Materials Engineering+25 more