Public engineering firm directory

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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

Oceaneering International, Inc.

Houston, TX

60 Years of Solving the Unsolvable

WebsitePhone1 office5 projects5 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: FPSO Life Extension - Ocean Installer Collaboration

Service: Remotely Operated Vehicle (ROV) ServicesService: Work-Class ROV OperationsService: Inspection-Class ROV OperationsIndustry: Oil & GasIndustry: Renewable EnergyType: Aerospace Engineering+39 more

Provenance Engineering

Weatherford, TX

Rooted to be uniquely different in approach and execution.

WebsitePhone1 office8 projects2 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Water Supply and Treatment Program

Service: Water and Wastewater TreatmentService: Water Treatment Plant EngineeringService: Wastewater Treatment Plant DesignIndustry: GovernmentIndustry: Water SupplyType: Water / Wastewater Engineering+23 more

Weishuhn Engineering, Inc.

Columbus, TX

Environmental and Engineering Solutions

WebsitePhone1 office10 projects1 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Jordan Ranch Wastewater System Conversion

Service: Wastewater EngineeringService: TPDES Wastewater System Design and PermittingService: OSSF / Septic System DesignIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+27 more