Public engineering firm directory

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Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

FourFront Design, Inc.

Rapid City, SD

Creating the built environment...for people!

WebsitePhone2 offices6 projects5 leaders3 credentialsFounded 1952

Project: Nashville National Cemetery Historic Lodge Addition and Renovation

Service: ArchitectureService: Schematic DesignService: Design DevelopmentIndustry: CommercialIndustry: RetailType: Architecture & Engineering+35 more

PMG - Engineering & Construction

Escondido, CA

Engineering Excellence Delivered

WebsitePhone1 office4 projects9 credentialsFounded 2012Size Estimate: 1-25 employees

Project: Commercial Facility - Dallas, TX

Service: Engineering ServicesService: Architectural EngineeringService: Civil EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+27 more

Pars Consulting Engineers, Inc.

Mission Viejo, CA

Pars Consulting Engineers, Inc. is a multi-discipline engineering and technical services firm founded in 1995 and wholly owned by Dr. Rafie Hamidpour, Ph.D., D.E., DABFE. Its staff holds primarily Master's and Doctoral degrees spanning civil, environmental, transportation, traffic, electrical, mechanical, and information technology disciplines. Pars serves federal, state, and municipal clients from offices in California, Kansas, and Maryland, offering professional engineering, technology, energy, environmental, and facilities management services under GSA Multiple Award Schedule contracts.

WebsitePhone3 offices1 leaders4 credentialsFounded 1995Size Estimate: 5-50 employees

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Transportation Planning & ManagementService: Preliminary & Final Roadway DesignIndustry: FederalIndustry: GovernmentType: Automation & Controls+57 more

ProSource Consulting, LLC

Washington, DC

ProSource Consulting, LLC is a Washington, DC metropolitan facilities management and engineering support firm serving federal, state, local, commercial, and institutional clients. It provides operations and maintenance, facilities engineering, spatial data management, inspections, CAD design, project management, and administrative support, with named client work spanning Treasury, NIH, ATF, GSA, VA, DOE, and FDA facilities.

WebsitePhone2 offices1 leaders8 credentialsUpdated Jun 2026

Service detail: Facilities Operations & Maintenance

Service: Facilities Operations & MaintenanceService: Facilities and Engineering ManagementService: Engineering and Management StudiesIndustry: GovernmentIndustry: FederalType: Mechanical Engineering+48 more

The Mannik & Smith Group, Inc.

Toledo, OH

Technical Skill. Creative Spirit.

Website3 offices8 projects4 leaders2 credentialsFounded 1955Size Estimate: 50-200 employees

Project: Waterfront Walkway Seawall

Service: Civil EngineeringService: Site DevelopmentService: Stormwater Management & Green InfrastructureIndustry: TransportationIndustry: GovernmentType: Civil Engineering+59 more

exp Federal Inc.

Chicago, IL

Architecture + Engineering | Construction | Mission Support

Website5 offices9 projects1 credentialsFounded 2012Size Estimate: 250-500 employeesUpdated Jun 2026

Project: Fish Dispersal Barrier

Service: ArchitectureService: Master PlanningService: Facilities ProgrammingIndustry: DefenseIndustry: FederalType: Architecture & Engineering+45 more