Public engineering firm directory

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3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

609 Consulting, LLC

Sheridan, WY

Engineering Excellence Delivering High-Quality Engineering, Surveying & Consulting Services to the Rocky Mountain Region

WebsitePhone4 offices8 leadersFounded 2007Size Estimate: 58 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road Engineering DesignService: Transportation Planning of Access RoadsIndustry: Oil & GasIndustry: Water ResourcesType: Civil Engineering+25 more

Frontier Surveying Co.

Corpus Christi, TX

Oil and gas land surveying experts since 1979.

WebsitePhone1 office12 credentialsFounded 1979Updated Jun 2026

Service detail: Oil and Gas Surveying

Service: Oil and Gas SurveyingService: Proposed well location and pad stakingService: Boundary and surface ownership surveysIndustry: Oil & GasIndustry: TransportationType: Land Surveying+46 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

I3 Engineering & Consulting, LLC

Bridgeport, WV

Integrity. Initiative. Innovation.

WebsitePhone1 office3 leaders3 credentialsFounded 2013Size Estimate: 35-49 employees

Service detail: Facilities Design & Engineering

Service: Facilities Design & EngineeringService: Piping & Mechanical DesignService: Electrical EngineeringIndustry: Oil & GasIndustry: InfrastructureType: Civil Engineering+10 more

Mariotti Surveying & Engineering, PC

Wellsville, NY

Mariotti Surveying & Engineering, PC is a land surveying and civil engineering firm with three offices in Allegany, Cattaraugus, and Steuben Counties, serving Southern Tier and Western New York and Northern Pennsylvania. The firm provides geomatics services including GIS and data management, ALTA/NSPS surveys, FEMA certificates, and UAV photogrammetry and mapping, as well as civil engineering specializing in railroad inspection and rehabilitation and bridge inspections, and construction services including subsurface utility location and as-built surveys.

WebsitePhone1 office2 leaders2 credentialsUpdated Jun 2026

Service detail: Geomatics

Service: GeomaticsService: GIS and Data ManagementService: Land SurveyingIndustry: TransportationIndustry: BridgesType: Civil Engineering+14 more

New River Engineers Inc

Charleston, WV

Leading the way in innovative engineering solutions.

WebsitePhone5 offices1 projects12 leadersFounded 1980Size Estimate: 70 employees

Project: Brittany Point Apartments

Service: Civil EngineeringService: Site Design and PlanningService: Water Supply and DistributionIndustry: MiningIndustry: Oil & GasType: Architecture & Engineering+39 more

Texas Geo Tech Land Surveying, Inc.

Corpus Christi, TX

A full service land surveying company that prides itself on providing quality surveying services at reasonable prices.

WebsitePhone1 office3 leaders1 credentialsFounded 2000Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic SurveysIndustry: Oil & GasIndustry: WindType: Land Surveying+18 more