Public engineering firm directory

Find engineering consulting firms by capability and location.

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Primera Engineers, Ltd.

Chicago, IL

People-forward engineering design and consulting services

WebsitePhone5 offices4 projects16 leaders17 credentialsFounded 1987

Project: U.S. Navy Great Lakes Bachelor Enlisted Quarters

Service: Buildings EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: Aviation Engineering+40 more

RESPEC Company LLC

Rapid City, SD

Practical Outcomes From Complex Challenges

WebsitePhone19 offices3 leadersUpdated Jun 2026

Service detail: Infrastructure Resiliency and Modernization

Service: Infrastructure Resiliency and ModernizationService: Transportation NetworksService: Water SystemsIndustry: MiningIndustry: TransportationType: Civil Engineering+43 more

RJA Engineering

Denver, CO

Colorado and Montana's Full-Service Engineering Practice

WebsitePhone2 offices3 projects18 leaders3 credentialsFounded 2009

Project: Lash Boulevard Salon

Service: Building Systems EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: RetailType: MEP+24 more

RJS Engineering

Denver, CO

Electrical engineering for EV charging, renewable energy, and arc flash safety

WebsitePhone1 office2 leaders1 credentialsUpdated Jun 2026

Service detail: Arc Flash Risk Assessment

Service: Arc Flash Risk AssessmentService: Arc Flash Hazard AnalysisService: NFPA 70E Arc Flash LabelingIndustry: Renewable EnergyIndustry: SolarType: Electrical Engineering+55 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

Refai International Group

Denver, CO

Innovative Project Management & Engineering Solutions for the Modern World

WebsitePhone1 office8 projectsFounded 1991Updated Jun 2026

Project: COTA 1600 McKinley Avenue Renovation, Phase 3C

Service: Program / Project ManagementService: Large-Scale & Complex Project ManagementService: Turnaround of Non-Performing ProjectsIndustry: AviationIndustry: AirportsType: Civil Engineering+48 more

Schemmer

Omaha, NE

People Creating Places for People

WebsitePhone9 offices2 projects10 leadersFounded 1959Updated Jun 2026

Project: Capehart Road Overpass at 228th Street

Service: ArchitectureService: Interior DesignService: BIM CoordinationIndustry: CommercialIndustry: HealthcareType: Architecture & Engineering+33 more

Shen Milsom & Wilke

New York, NY

Acoustic, Audiovisual & Technology Design Consultants

WebsitePhone13 offices6 projects36 leadersFounded 1986Size Estimate: 230+ employees

Project: U.S. Embassy in London

Service: AcousticsService: Architectural AcousticsService: Acoustics AssessmentsIndustry: Arts & CultureIndustry: AviationType: Acoustic Consulting+61 more

Short Elliott Hendrickson Inc.

Saint Paul, MN

Where Innovation Meets Sustainable Impact

WebsitePhone5 offices9 leadersUpdated Jun 2026

Service detail: Architecture and Building Design

Service: Architecture and Building DesignService: Fire Stations and Public Safety FacilitiesService: Hotels and HospitalityIndustry: ResidentialIndustry: AirportsType: Architecture & Engineering+63 more

Summit Design and Engineering Services

Raleigh, NC

Impactful Project Solutions

WebsitePhone12 offices4 projects5 leaders3 credentialsFounded 1997

Project: 1000 Social Office Building & Parking Garage

Service: ArchitectureService: Architectural DesignService: New ConstructionIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+81 more

TLC Engineering Solutions

Sandy Springs, GA

Think. Listen. Create.

Website23 offices10 projectsFounded 1955Updated Jun 2026

Project: Tampa International Airport Curbside Expansion and Central Utility Plant

Service: Mechanical, Electrical, Plumbing (MEP)Service: Comprehensive Building Systems Engineering HeatingService: VentilationIndustry: HealthcareIndustry: AviationType: MEP+51 more

UES (Universal Engineering Sciences)

Orlando, FL

Grounded In Excellence

WebsitePhone5 officesSize Estimate: 4,000+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Soil TestingIndustry: TransportationIndustry: InfrastructureType: Geotechnical Engineering+43 more

V3 Companies

Chicago, IL

The Vision to Transform with Excellence

Website14 offices7 projects15 leaders2 credentialsFounded 1983Updated Jun 2026

Project: Elgin O'Hare Western Access Project

Service: Land DevelopmentService: Site Civil EngineeringService: Environmental ConsultingIndustry: CommercialIndustry: EducationType: Civil Engineering+49 more

Vivid Engineering Group, Inc.

Colorado Springs, CO

Geotechnical, environmental, and construction inspection services from Colorado Springs and Denver.

WebsitePhone3 offices12 projects4 leaders2 credentialsUpdated Jun 2026

Project: I-25/Cimarron Interchange Design Build

Service: Geotechnical and Geological EngineeringService: Subsurface investigationsService: Geotechnical lab testingIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+34 more

Wallace Design Collective, PC

Tulsa, OK

dedicated to the art of possibility.

WebsitePhone8 offices6 projects5 leaders3 publicationsFounded 1981

Project: Petersen Automotive Museum

Service: Building Engineering & InspectionService: Structural EngineeringService: Special InspectionsIndustry: Arts & CultureIndustry: CommercialType: Structural Engineering+21 more

Wave Engineering, Inc.

Littleton, CO

Consultants in Acoustics, Noise and Vibration

WebsitePhone3 offices6 projectsFounded 2012Updated Jun 2026

Project: Pecos Street Bridge - I70

Service: Architectural Acoustics DesignService: Sound Isolation DesignService: Room Acoustics DesignIndustry: HealthcareIndustry: EducationType: Acoustic Consulting+45 more

Whitman Requardt Associates Llp

Baltimore, MD

People Focused - Project Driven

Website28 officesFounded 1915Updated Jun 2026
Service: TransportationService: Building DesignService: Water and WastewaterIndustry: Environmental & RemediationIndustry: MarineType: Architecture & Engineering+12 more

Wilson & Company, Inc., Engineers & Architects

Salina, KS

Over 90 Years of Delivering Excellence

Website5 offices3 projects19 leaders1 credentialsFounded 1932Size Estimate: 700 employees

Project: Mettie Jordan Elementary School

Service: EngineeringService: Civil EngineeringService: Transportation EngineeringIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+36 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more

Wood Rodgers, Inc.

Sacramento, CA

Engineering With a Cause

WebsitePhone10 offices7 leadersUpdated Jun 2026

Service detail: Aviation

Service: AviationService: EnvironmentalService: Technical ReportsIndustry: TransportationIndustry: GovernmentType: Civil Engineering+57 more

Y2K Engineering, LLC

Mesa, AZ

Providing Value First

WebsitePhone2 officesSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Transportation Planning

Service: Transportation PlanningService: Multimodal Transportation PlanningService: Active and Multimodal TransportationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+12 more