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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DC Engineering

Meridian, ID

Defining, refining, and implementing solutions.

Website4 offices2 projects6 leaders2 credentialsFounded 1998Updated Jun 2026

Project: City of Meridian Wastewater Treatment Plant

Service: Electrical EngineeringService: LightingService: PowerIndustry: RetailIndustry: Food & BeverageType: Electrical Engineering+18 more

Johnson & Pace Incorporated

Longview, TX

Engineering. Architecture. Surveying.

WebsitePhone2 offices10 projects10 leaders7 credentialsFounded 1995

Project: RoyOMartin Corrigan OSB Plant

Service: Civil EngineeringService: Land Planning & Site DevelopmentService: Design & Plan ProductionIndustry: ManufacturingIndustry: EducationType: Civil Engineering+38 more

SPEC Consulting, LLC

Albany, NY

Engineering into the Future

WebsitePhone2 offices3 credentialsFounded 1994Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Chemical Process EngineeringService: Civil EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+22 more

Sun Engineering, LLC

Phoenix, AZ

Sun Engineering, LLC offers electrical, mechanical, and plumbing consulting engineering services. Located in Phoenix, Arizona, the practice has decades of design engineering experience.

WebsitePhone2 offices8 projects4 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Phoenix Light Rail Transportation System

Service: Electrical EngineeringService: Aviation and Airfield LightingService: Building Power DistributionIndustry: AirportsIndustry: AutomotiveType: Automation & Controls+47 more

Waldemar S. Nelson & Co., Inc.

New Orleans, LA

Engineering is the Foundation of Civilization

WebsitePhone2 offices2 projects2 credentials2 publicationsFounded 1945

Project: Artemis II Space Mission Engineering

Service: Civil, Structural and Architectural EngineeringService: Civil Site and Infrastructure DesignService: Structural Engineering for Complex FacilitiesIndustry: Oil & GasIndustry: PetrochemicalType: Architecture & Engineering+34 more

ZAP Engineering & Construction Services, Inc.

Lakewood, CO

Excellence in Execution

WebsitePhone2 offices7 projectsUpdated Jun 2026

Project: 60 MMSCFD Libby Gas Plant

Service: Civil and Structural EngineeringService: Civil EngineeringService: Structural Engineering DesignIndustry: Oil & GasIndustry: MiningType: Automation & Controls+34 more