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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AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentialsFounded 1958Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Selection and DevelopmentService: Single and Multi-Family Residential DevelopmentIndustry: InfrastructureIndustry: MiningType: Civil Engineering+33 more

Gaston Engineering & Surveying, P.C.

Bozeman, MT

Civil engineering, land surveying, and geotechnical testing services serving Montana for over 30 years

WebsitePhone1 office11 projectsUpdated Jun 2026

Project: Costco Bozeman

Service: Civil EngineeringService: Land Planning & SubdivisionsService: Municipal EngineeringIndustry: CommercialIndustry: RetailType: Civil Engineering+28 more

Hennessey Engineers

Southgate, MI

Community foundations built with optimism

WebsitePhone2 offices8 projects3 credentialsUpdated Jun 2026

Project: US-23 Flex Route Phase 2 Project

Service: Civil EngineeringService: Municipal EngineeringService: Infrastructure Evaluation and RehabilitationIndustry: GovernmentIndustry: CommercialType: Civil Engineering+59 more

Howland Engineering and Surveying Co.

Laredo, TX

Excellence in Engineering & Surveying Since 1922

WebsitePhone3 offices11 projects3 leaders6 credentialsFounded 1922

Project: Alexander 9th Grade Center

Service: SurveyingService: ALTA SurveysService: TxDOT SurveyingIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+63 more

Inberg-Miller Engineers

Riverton, WY

Serving the Rocky Mountain Region

WebsitePhone8 offices7 projects13 leaders11 credentialsFounded 1971

Project: Teton County Heater Repaving Project

Service: Civil EngineeringService: Roadway and Highway DesignService: Residential Subdivision EngineeringIndustry: CommercialIndustry: EducationType: Civil Engineering+57 more

Lumos & Associates

Carson City, NV

Responsible Engineering

WebsitePhone8 offices7 projects3 leaders9 credentialsUpdated Jun 2026

Project: Tahoe Keys Upper Truckee Marsh

Service: Civil EngineeringService: TransportationService: Stormwater Analysis and DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+36 more

Madrid CPWG

Bartow, FL

Full-Service Design, Engineering, Geotechnical Firm

WebsitePhone1 office5 projects8 leaders7 credentialsFounded 1992

Project: Lake Lawne Stormwater Facility Design

Service: Civil EngineeringService: Municipal ServicesService: Land DevelopmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+54 more

SEECO Consultants, Inc.

SEECO Consultants, Inc. provides civil, geotechnical, and structural engineering, alongside environmental consulting and construction materials testing, throughout the Midwest. Established in 1970, the practice operates with its affiliates, SEECO Environmental Services and SEECO Construction Services, to deliver comprehensive engineering capabilities under a unified management system. It maintains testing laboratories approved by regional and federal authorities, including the Illinois Department of Transportation and the U.S. Army Corps of Engineers.

Website7 credentialsFounded 1970Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Evaluation and Design SupportService: Geotechnical EngineeringIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+22 more

Square Root Services, LLC

Hobbs, NM

Project Solutions, Rooted In Experience.

WebsitePhone2 offices3 leaders4 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Planning, Analysis and DesignService: Street and Roadway DesignIndustry: EducationIndustry: HealthcareType: Civil Engineering+52 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