Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Naval Architecture and Marine Engineering

Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportService: Shipboard Systems IntegrationIndustry: AirportsIndustry: TransitType: Naval Architecture+27 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact AssessmentService: Air QualityIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+50 more

AP Engineering & Consulting, Inc.

Greenfield, IN

AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Soil BoringsIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

CAS Consulting & Services, Inc.

Austin, TX

Civil engineering, program management, and construction management solutions for water, wastewater, and transportation infrastructure

WebsitePhone4 offices6 projects8 leaders25 credentialsFounded 1999

Project: Huebner Creek Regional Stormwater Facility

Service: Water & Wastewater EngineeringService: Water Distribution Evaluation and DesignService: Collection System Design and RehabilitationIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more

CSA Group

San Juan, PR

Full-Service Project Delivery and Program Management

WebsitePhone8 offices5 projects5 leaders4 credentialsSize Estimate: 50-199 employees

Project: PR-52 Congestion Management Project

Service: Program & Construction ManagementService: Program ManagementService: Construction ManagementIndustry: AirportsIndustry: CommercialType: Architecture & Engineering+37 more

Diaz-Yourman & Associates

Geotechnical consulting services for infrastructure, transportation, and environmental projects

Website1 projects4 credentialsFounded 1992Updated Jun 2026

Project: Anaheim Regional Transportation Intermodal Center (ARTIC), Phase 1

Service: Geotechnical DesignService: Site and Route EvaluationsService: Geologic Hazard AssessmentsIndustry: Highways & RoadsIndustry: FederalType: Geotechnical Engineering+42 more

Distinct Engineering Solutions, Inc.

Responsive, service-oriented civil engineering

Website10 projects3 leaders22 credentialsUpdated Jun 2026

Project: MTA NYCT 7 Subway Extension Site K

Service: Site Civil EngineeringService: Site planning and land developmentService: Regulatory permitting coordinationIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+30 more

EXP

Brampton, ON

Multidisciplinary engineering, architecture, design and consulting services.

Website1 office6 projects3 leaders10 credentials5 publicationsFounded 1906

Project: Southwest Calgary Ring Road

Service: Architecture and DesignService: Architectural designService: Interior space planningIndustry: TransportationIndustry: TransitType: Architecture & Engineering+95 more

GSG Consultants, Inc.

Schaumburg, IL

Shaping the Midwest Since 1992

WebsitePhone2 offices2 leaders1 credentialsFounded 1992Size Estimate: 100-499 employees

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Natural ResourcesService: NEPA and Regulatory ComplianceIndustry: BridgesIndustry: EducationType: Civil Engineering+38 more

GSH Geotechnical, Inc.

Murray, UT

GSH Geotechnical, Inc. combines personalized local service with the resources and experience of a large engineering enterprise. With over 100 years of combined experience, the practice is a recognized leader in the planning and design of various infrastructure facilities including industrial and residential buildings, dams, highways, bridges, tunnels, rail systems, landfills, and other civil engineering installations.

WebsitePhone1 office15 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Field Boring Log AnalysisService: Foundation DesignIndustry: IndustrialIndustry: ResidentialType: Civil Engineering+40 more

Geotill Inc.

Fishers, IN

Geotechnical Engineering, Subsurface Exploration, Drilling, Materials Engineering, Construction Testing and Environmental Services

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation EngineeringService: Shallow and Mat Foundation DesignIndustry: GovernmentIndustry: Highways & RoadsType: Geotechnical Engineering+54 more

Goodrich Engineering LLC

Grand Junction, CO

Goodrich Engineering LLC is a geotechnical and mining engineering consultancy in Grand Junction, Colorado, with 40 years of geoscience and geoengineering experience. Services span soil and rock mechanics, foundation design, slope stability, rock mechanics, mining engineering, transportation and road engineering, geology, hydrology, and environmental consulting. An in-house soils and rock mechanics lab supports subsurface characterization and drilling program work for residential, commercial, and mining clients across Colorado, Utah, Texas, New Mexico, and Idaho.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundations and Earth RetentionService: Slope Stability and Hazard AnalysisIndustry: MiningIndustry: Oil & GasType: Geotechnical Engineering+20 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

MC Squared, LLC

Atlanta, GA

Exceptional People Providing Exceptional Solutions

Website3 offices6 projects6 leaders3 credentialsFounded 2001Size Estimate: 25-100 employees

Project: CR 817, Lee Road, and South Sweetwater Road Widening

Service: Geotechnical EngineeringService: Subsurface Exploratory Drilling and Soil ExplorationService: Standard and Non-Redundant Drilled Shaft Bridge Foundation StudiesIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+35 more

McCallum Testing Laboratories

Chesapeake, VA

Serving Individuals, Businesses, and Governmental Organizations Since 1928

WebsitePhone1 office20 projects8 leadersFounded 1928Size Estimate: 11-50 employees

Project: The Tide Light Rail Transit System

Service: Geotechnical EngineeringService: DrillingService: Field Inspection and TestingIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

Montero Construction Services LLC

Saint Louis, MO

Experience. Expertise. Excellence.

WebsitePhone1 office2 leaders2 credentialsFounded 2021Size Estimate: 1-9 employees

Service detail: Utility Construction

Service: Utility ConstructionService: Sewer Pipe InstallationService: Erosion ControlIndustry: AgricultureIndustry: ChemicalsType: Civil Engineering+39 more

Ninyo & Moore

Overcoming Challenges Through Innovation

Website5 projects1 leaders1 credentialsFounded 1986Updated Jun 2026

Project: Oakvale Road Realignment

Service: Geotechnical EngineeringService: Engineering GeologyService: GeophysicsIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+34 more

Richard Martin Groundwater LLC

Seattle, WA

Groundwater Consulting Services for the Environmental and Geotechnical Industries

WebsitePhone1 office4 projects1 leaders1 credentialsUpdated Jun 2026

Project: University Link Light Rail - Construction Management

Service: Dewatering and DrainageService: Evaluation of soil and groundwater conditionsService: Analysis of aquifer and pump testsIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+22 more

Savin Engineers, P.C.

Pleasantville, NY

Improving Quality of Life

WebsitePhone4 offices37 projects1 credentialsFounded 1988Updated Jun 2026

Project: Greenburgh Central School District

Service: Construction Management & Owner's RepresentativeService: Owner's Representative ServicesService: Safety ManagementIndustry: CommercialIndustry: EducationType: Civil Engineering+84 more

Schnabel Engineering Dc Inc

Washington, DC

Schnabel Engineering DC (SEDC) specializes in innovative and cost-effective geotechnical design solutions. SEDC personnel have over 30 years of experience working in the District of Columbia, Maryland and Virginia and our clientele include government agencies, owners, developers, contractors and A/E firms. Project delivery and cost control are critical to success and SEDC will work with you to meet your needs and the team’s project goals. Our staff is professional and accessible and enjoys small to large projects and the challenge each holds.

Website1 office1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geostructural EngineeringService: GeosciencesIndustry: CommercialIndustry: EducationType: Environmental Engineering+15 more

Shannon & Wilson, Inc.

Seattle, WA

Geotechnical & Environmental Consultants

WebsitePhone15 offices11 projects2 leaders2 credentials2 publications

Project: Lower Dungeness River Floodplain Restoration and Levee Realignment

Service: Geotechnical EngineeringService: Geotechnical StudiesService: ExplorationsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

TYLin

Connecting people, places, and ideas

Website10 projects1 credentialsFounded 1954Size Estimate: 3,000+ employeesUpdated Jun 2026

Project: Hoover Dam Bypass Bridge

Service: Building ServicesService: Structural EngineeringService: Historic Preservation and RenovationsIndustry: Arts & CultureIndustry: AviationType: Civil Engineering+51 more

Threadcraft Engineering, Inc.

Raleigh, NC

Experts in Civil Engineering and Program Management

WebsitePhone2 offices8 projects1 leadersFounded 2004Updated Jun 2026

Project: 8th Avenue Basin Capital Improvement Program

Service: Civil and Environmental EngineeringService: Disaster RecoveryService: Construction ManagementIndustry: GovernmentIndustry: EducationType: Civil Engineering+13 more