Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Compliance Services Group, Inc.

Lubbock, TX

Engineers - Architects - Planners

WebsitePhone2 offices3 projects3 leaders9 credentialsFounded 1989

Project: FLETC Physical Training Facility

Service: MEP EngineeringService: Mechanical Engineering ServicesService: Electrical Systems DesignIndustry: FederalIndustry: Public SafetyType: MEP+19 more

Cross Engineering Consultants Inc

McKinney, TX

Exceptional Civil Engineering for Over 20 Years

WebsitePhone1 office12 projectsUpdated Jun 2026

Project: Tranquility Farms Subdivision

Service: Civil EngineeringService: Roadway DesignService: Parking Lot DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+56 more

Grubb Engineering, Inc.

San Antonio, TX

Electrical Power Systems Design and Testing

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Electrical System Design

Service: Electrical System DesignService: Water and Wastewater Facility Electrical DesignService: Substation, Transmission, and Distribution DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+36 more

Maxson Engineering

Littleton, CO

Multi-disciplinary systems engineering and design practice

WebsitePhone4 offices1 projects4 leadersFounded 2013Updated Jun 2026

Project: Dream Chaser

Service: Mechanical EngineeringService: HVAC and Building AutomationService: Central Chiller and Boiler PlantsIndustry: Research FacilitiesIndustry: IndustrialType: Mechanical Engineering+40 more

NL Engineering Water

Harlingen, TX

Our Mission Is Simple: We Engineer Water

WebsitePhone1 office4 projects2 leaders17 credentials1 publications

Project: G. Tim Lawrence Brackish Desalination Plant

Service: Brackish Groundwater DesalinationService: Reverse Osmosis System DesignService: Microfiltration System DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+24 more

NRG Engineering

Corpus Christi, TX

NRG Engineering is a full-service mechanical, electrical, and plumbing consulting firm delivering construction documents for commercial, industrial, and government projects, both new and renovated. Founded in 2002 and headquartered in Corpus Christi, Texas, NRG Engineering brings over 50 years of combined experience to healthcare, education, government, hospitality, and commercial clients.

WebsitePhone1 office5 leadersFounded 2002Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: HVAC Building ControlsIndustry: HealthcareIndustry: EducationType: MEP+33 more

Parra & Co

San Antonio, TX

Boutique-level site civil, drainage, and infrastructure engineering for Texas growing communities

WebsitePhone2 offices9 projects1 credentialsUpdated Jun 2026

Project: Palo Alto College Drainage System Improvement

Service: Stormwater and Drainage EngineeringService: Stormwater Management PlansService: Hydrological and Hydraulic AnalysisIndustry: TransitIndustry: EducationType: Civil Engineering+33 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