Public engineering firm directory

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AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 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

Civitas Engineering Group, Inc.

Houston, TX

Innovative engineering, infrastructure, and technical solutions

WebsitePhone3 offices7 projects2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Project: Dallas Water Utilities Strategic Plan

Service: WaterService: Water TreatmentService: Pumping FacilitiesIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

EDGE Engineering, PLLC

Austin, TX

Courage for Creativity

WebsitePhone3 offices4 projects2 leaders3 credentialsFounded 2019

Project: RM 1431 Water Quality & Detention Pond Improvements

Service: Municipal DrainageService: 2-Dimensional H&H ModelingService: FEMA Modeling & MappingIndustry: Stormwater & Flood ControlIndustry: Water ResourcesType: Civil Engineering+15 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more

KSA Engineers Inc

Longview, TX

Dedicated to making life better in communities

WebsitePhone17 offices7 projects3 leaders5 credentialsFounded 1978

Project: Sabine River Water Treatment Facility

Service: Water and Wastewater EngineeringService: Water Treatment Plant DesignService: Wastewater Treatment Plant DesignIndustry: AviationIndustry: AirportsType: Architecture & Engineering+43 more

Miller Gray, LLC

Austin, TX

Civil Engineering Rooted in Central Texas

WebsitePhone1 office23 projects5 leaders2 credentialsFounded 2014

Project: Lakeway Police Station

Service: Transportation DesignService: Corridor and Planning Area StudiesService: Regional Roadway and Arterial DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+91 more

Sanbell

Billings, MT

Intelligent Infrastructure. Enduring Communities.

WebsitePhone14 offices2 leaders2 credentialsFounded 1969Size Estimate: 201-500 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DevelopmentService: Grading and DrainageIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+57 more