Public engineering firm directory

Find engineering consulting firms by capability and location.

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Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects1 leaders1 credentials1 publications

Project: Big M Building Reimagining

Service: Civil EngineeringService: Traffic & Transportation EngineeringService: Land Planning & DevelopmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+43 more

Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

Elan Design Lab, Inc.

Minneapolis, MN

Elan Design Lab, Inc. is a Minneapolis-based civil engineering and landscape architecture practice founded in 2014 by Marcie Weslock, PE and Steve Johnston, PE. It serves the construction and development marketplace, including regional, state, and federal agencies, counties and municipalities, school systems, national corporations, contractors, developers, and property owners. Its approach starts with site listening and analysis, then applies engineering and landscape architecture expertise to create smart sites through sound engineering. Elan holds Professional Engineer licenses in Minnesota and twelve additional states, Professional Landscape Architect licenses, and LEED AP sustainability credentials.

WebsitePhone1 office1 projects3 leaders4 credentialsFounded 2014

Project: Mendota Plaza

Service: Site Analysis, Planning and DesignService: Document ReviewService: Zoning and Land Use Plan InterpretationIndustry: CommercialIndustry: EducationType: Civil Engineering+19 more

IDS Group

Irvine, CA

Integrated multi-disciplinary engineering, architecture, and consulting services

WebsitePhone1 office11 projects2 leadersFounded 1998Updated Jun 2026

Project: Wadi Laban Cable-Stayed Bridge Construction Supervision

Service: ArchitectureService: Master Planning & ProgrammingService: Assessments & StudiesIndustry: GovernmentIndustry: Public SafetyType: Architecture & Engineering+81 more

Infrastructure Engineering, Inc.

Chicago, IL

Civil engineering driven by a passion for solving infrastructure challenges through ingenuity.

Website10 offices3 projectsUpdated Jun 2026

Project: George Washington Bridge Priority Repairs

Service: Design EngineeringService: Transportation DesignService: Bridge and Structural DesignIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+29 more

Integrated Design Solutions Group Inc

Irvine, CA

Global Engineering Solutions for Transformative Development

WebsitePhone1 office7 projects27 leadersFounded 1998Updated Jun 2026

Project: Critical Intersections Project (CIP)

Service: ArchitectureService: Master Planning and ProgrammingService: Assessments and StudiesIndustry: CommercialIndustry: RetailType: Architecture & Engineering+73 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

Vigil Enterprises, Inc.

Santa Fe, NM

Transforming existing facilities into cutting-edge environments that support critical government and federal missions.

WebsitePhone2 offices9 projects6 credentialsUpdated Jun 2026

Project: Strategic Computing Center Infrastructure Upgrades

Service: Project Management & ScopingService: Conceptual ScopingService: Cost EstimatingIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more