Public engineering firm directory

Find engineering consulting firms by capability and location.

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Hillis-Carnes Capitol Services, PLLC

Washington, DC

Geotechnical, environmental, and materials engineering from the roof to the ground

Website1 office2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: In-Situ TestingService: Computer ModelingIndustry: EducationIndustry: Sports & RecreationType: Geotechnical Engineering+16 more

Kenall, Inc.

Houston, TX

Engineering to a Better World

WebsitePhone2 offices4 projects6 leaders8 credentialsFounded 2002

Project: San Joaquin River Restoration Program

Service: Civil and Structural EngineeringService: Civil DesignService: Structural Engineering and DesignIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+40 more

Knight Consulting Engineers, Inc.

Williston, VT

Knowledge | Commitment | Excellence

Website1 office1 projects4 leaders1 credentialsFounded 1964Updated Jun 2026

Project: Brattleboro Food Coop

Service: Forensic EngineeringService: Flood, fire, hurricane, wind, hail, snow, and ice investigationsService: Structural failure investigationsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+24 more

Nutting Engineers of Florida, Inc.

Miami, FL

Geotechnical Engineering, Materials Testing, Inspections & Environmental

WebsitePhone4 offices5 projects1 leaders3 credentialsFounded 1967

Project: GSA South Florida Federal Office Building (FBI)

Service: Geotechnical Exploration & EngineeringService: Site Explorations and Feasibility StudiesService: Soil Borings and Groundwater Well DrillingIndustry: AviationIndustry: TransportationType: Geotechnical Engineering+21 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

Professional Engineering Solutions, LLC

Houston, TX

Professional Engineering Solutions (PES) is a licensed professional engineering practice in Houston, Texas, with experienced engineering experts across multiple disciplines. It provides reliable engineering solutions to challenging technical problems using current methods, specifications, codes, standards, and advanced modeling and simulation techniques. The practice is highly skilled in engineering analysis and computational simulations, and also serves as a third-party reviewer to verify that engineering services performed by others conform to industry standards, codes, and project specifications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural and Mechanical Engineering

Service: Structural and Mechanical EngineeringService: Global Static and Dynamic AnalysesService: Finite Element Analysis and Computational Fluid DynamicsIndustry: Oil & GasIndustry: PetrochemicalType: Structural Engineering+29 more

Richard J. Driscoll, Consulting Engineer

Lebanon, NH

Structural & Foundation Engineering / Construction Risk Management

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Foundation / Geostructural Engineering

Service: Foundation / Geostructural EngineeringService: Foundation InvestigationsService: MicropilesIndustry: ResidentialIndustry: InfrastructureType: Structural Engineering+23 more

RockSol Consulting Group

Thornton, CO

RockSol Consulting Group is a full-service civil and transportation engineering practice founded in 1996. Headquartered in Thornton, Colorado, with multiple regional offices and accredited materials testing laboratories, it delivers engineering services across planning, environmental analysis, structural and geotechnical design, construction management, and inspection. It primarily supports state departments of transportation, federal land agencies, and municipal public works departments throughout the western United States.

WebsitePhone7 offices5 projects5 credentialsFounded 1996Size Estimate: 201-500 employees

Project: US 40 Berthoud Pass West Resurfacing

Service: Transportation EngineeringService: Transportation planning and impact studiesService: Roadway and highway designIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

SKS Engineers, LLC

Decatur, IL

SKS Engineers, LLC is a multidisciplinary engineering firm based in Decatur, Illinois, serving Central Illinois and surrounding areas for over 50 years. SKS provides civil engineering, geotechnical engineering, structural engineering, mechanical/electrical/plumbing engineering, land surveying, soils and materials testing, subsurface investigations, and construction quality control through a partnership of licensed professional engineers and qualified technicians. A sister entity, Land Engineers, LLC, operates from Bloomington, Illinois.

WebsitePhone2 offices9 projectsUpdated Jun 2026

Project: Millikin University Theater & Dance Building

Service: Civil Engineering and Land DevelopmentService: Grading plans and drainage studies, hydrologic and hydraulic analysisService: Pavement design and streets and highwaysIndustry: EducationIndustry: IndustrialType: Civil Engineering+37 more

Seidler Engineering, Inc.

Girard, OH

expertise you can build on

WebsitePhone1 office1 leaders1 publicationsUpdated Jun 2026

Service detail: Civil + Site Design

Service: Civil + Site DesignService: Basement InspectionsService: Condition SurveysIndustry: CommercialIndustry: ResidentialType: Civil Engineering+17 more

Siegfried Engineering Inc

Stockton, CA

Engineering Solutions, Shaping Communities

WebsitePhone5 offices5 projects24 leaders1 credentialsFounded 1955

Project: UC Davis Health, 48X Complex

Service: Civil EngineeringService: Structural EngineeringService: Geotechnical EngineeringIndustry: EducationIndustry: HealthcareType: Civil Engineering+27 more

Soil Consultants Engineering, LLC

Manassas, VA

Geotechnical Engineering | Inspections | Material Testing | Environmental Compliance

WebsitePhone1 office1 projects1 credentialsFounded 1960Size Estimate: 10-60 employees

Project: Vint Hill Data Center - OVH Cloud

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Soil AnalysisIndustry: Data CentersIndustry: GovernmentType: Geotechnical Engineering+20 more

Solid Ground Engineering NC PLLC

Greensboro, NC

Consulting engineering and special inspections

WebsitePhone1 office6 leaders8 credentialsUpdated Jun 2026

Service detail: Materials Testing

Service: Materials TestingService: Concrete Mix DesignsService: Soil Lime and Cement Mix DesignIndustry: CommercialIndustry: InfrastructureType: Structural Engineering+59 more

Stahl Sheaffer Engineering, Inc.

Civil & Structural Engineering Solutions

Website2 projects7 leaders2 credentialsFounded 2006Size Estimate: 100-199 employeesUpdated Jun 2026

Project: Golden Mile Continuous Green T Interchange

Service: Bridge and Tunnel EngineeringService: Bridge DesignService: Tunnel Rehabilitation DesignIndustry: AgricultureIndustry: Sports & RecreationType: Civil Engineering+39 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

Sustainable Engineering Services, P.C.

Fort Lee, NJ

Delivering Sustainable Results

WebsitePhone1 office1 projects1 credentialsFounded 2016Updated Jun 2026

Project: LIRR Expansion Project

Service: Structural Engineering and DesignService: Structural Materials DesignService: Bridge and Culvert DesignIndustry: TransitIndustry: RailType: Structural Engineering+29 more

Thompson, Dreessen & Dorner, Inc.

Omaha, NE

Professionals at Every Turn

WebsitePhone2 offices8 projects11 leaders1 credentialsFounded 1967

Project: Nebraska Medicine Lauritzen Outpatient Center

Service: Civil EngineeringService: Site DesignService: Subdivision DesignIndustry: EducationIndustry: HealthcareType: Civil Engineering+36 more

Truss Engineering Inc.

Professional civil engineering services with an emphasis on structural and geotechnical engineering

Website2 projectsUpdated Jun 2026

Project: 312 Arch St Culvert Rehabilitation

Service: Structural EngineeringService: Bridge and Culvert DesignService: Bridge RehabilitationIndustry: TransportationIndustry: GovernmentType: Civil Engineering+23 more