Public engineering firm directory

Find engineering consulting firms by capability and location.

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Cottrell & Cottrell, LLC

Fully integrated engineering and business services for the offshore, inland, and marine industries.

Website8 projects1 leaders1 credentialsUpdated Jun 2026

Project: TLP Life Extension Cost Projection Study

Service: Naval Architecture & Marine EngineeringService: Naval ArchitectureService: Marine EngineeringIndustry: Oil & GasIndustry: MarineType: Naval Architecture+33 more

On-Board Engineering Corporation

East Windsor, NJ

Full-service EPCM partner with design-build capabilities for small to mid-sized industrial capital projects

WebsitePhone3 offices2 projects6 leaders1 credentialsFounded 1976

Project: Fortune 500 Oil and Gas Company - Long-Term EPCM Program

Service: Civil, Structural & Architectural EngineeringService: Civil & Site EngineeringService: Structural Engineering & ConsultingIndustry: IndustrialIndustry: ManufacturingType: EPC+30 more

Robert W. Loomis Consulting Engineer

Windsor, CT

Providing practical engineering solutions through advanced analytical and numerical methods

WebsitePhone1 office1 leaders6 publicationsFounded 1992Size Estimate: 1-10 employees

Service detail: Piping Engineering

Service: Piping EngineeringService: High-Temperature Piping DesignService: Code Compliance EvaluationsIndustry: Power GenerationIndustry: UtilitiesType: Structural Engineering+14 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

XCEED Engineering and Consulting, P.C.

Rochester, NY

Redefining the Limits of Engineering

WebsitePhone1 office1 projectsFounded 2016Updated Jun 2026

Project: Capital Scope Reduction and Upgrade at Regulated Facility

Service: Pipe Stress AnalysisService: Piping Flexibility and Thermal Stress AnalysisService: Pipe Support Analysis and DesignIndustry: NuclearIndustry: Power GenerationType: Mechanical Engineering+28 more