Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

INF Associates LLC

New York, NY

Turnkey energy solutions for the decarbonization of buildings and transportation

WebsitePhone4 offices3 credentialsUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: On-Site Energy ManagementService: Energy Studies and AuditsIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+27 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

Khachaturian Engineering Associates, Inc.

Iselin, NJ

On-Time. On-Scope. On-Budget.

Website1 office2 leaders1 credentialsFounded 1984Size Estimate: 50+ employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Heating, cooling, and ventilationService: Load calculationsIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+20 more

Pennoni

Philadelphia, PA

Partners for What's Possible

Website1 office5 projects6 leaders6 credentials2 publicationsFounded 1966

Project: I-95 Central Access Philadelphia (CAP)

Service: Civil/SiteService: Site Planning & Land DevelopmentService: Permitting & EntitlementIndustry: CommercialIndustry: RetailType: Civil Engineering+136 more

RMF Engineering

Baltimore, MD

Meticulously Planned, Expertly Designed

WebsitePhone11 offices17 projects2 credentialsSize Estimate: 350 employeesUpdated Jun 2026

Project: Allston Campus District Energy Plant

Service: MEP Building EngineeringService: Building Energy Modeling and Performance AnalysisService: Equipment Upgrades, Efficiency Measures, and Controls IntegrationIndustry: EducationIndustry: HealthcareType: MEP+36 more

Ulteig Engineers, Inc.

Creating Innovative Infrastructure Solutions

Website8 projects2 leadersFounded 1944Updated Jun 2026

Project: TxDOT FM 159 Roadway Realignment

Service: Power EngineeringService: Substation Engineering and DesignService: Transmission Engineering and DesignIndustry: Power GenerationIndustry: Power Transmission & DistributionType: Civil Engineering+53 more