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

Aeparmia Engineering PLLC

Austin, TX

Innovative Engineering Solutions for Utility Challenges & Needs

WebsitePhone3 offices13 projects1 leaders5 credentialsFounded 2017

Project: I-35 NEX South Project Electric and Telecom Utility Relocations

Service: Power and Fiber Utilities EngineeringService: Subsurface Utilities Engineering (SUE)Service: Public and Private Utilities Coordination and Conflict AnalysisIndustry: CommercialIndustry: ResidentialType: Civil Engineering+38 more

Bleyl Engineering

Conroe, TX

Civil Engineers - Advancing Stronger, Safer Communities Across Texas

WebsitePhone4 offices4 leaders1 credentialsFounded 1997Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water Supply and Distribution DesignService: Wastewater Collection System DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+21 more

Doucet Associates Inc A Kleinfelder Company

Austin, TX

We are Doucet.

WebsitePhone6 offices4 leaders2 credentialsUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Master Planned CommunitiesService: Multi-Family DevelopmentsIndustry: CommercialIndustry: RetailType: Civil Engineering+110 more

GE Reaves Engineering

San Antonio, TX

One Stop Shop

WebsitePhone2 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Foundation DesignService: Framing DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+34 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

GGE Consulting Engineers Inc.

San Antonio, TX

Structural Engineers - Civil - Land Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Slab-on-Grade and Post-Tension Slab DesignService: Structural Systems DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+40 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 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

McGray & McGray Land Surveyors, Inc.

Austin, TX

McGray & McGray Land Surveyors, Inc. is a full-service professional land surveying firm based in Austin, Texas, founded in 1981. With more than 30 years of continuous practice under the same managing principal, it provides land surveying, 3-D scanning, and construction verification services for transportation, utility, rail, municipal, education, and flood study projects throughout Texas.

WebsitePhone1 office6 leaders13 credentialsFounded 1981Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Geodetic Control and GPS SurveysService: Engineering Design Topographic SurveysIndustry: TransportationIndustry: Highways & RoadsType: Land Surveying+14 more

Parkhill

Lubbock, TX

Providing inventive architecture and engineering solutions for a better future

WebsitePhone4 officesUpdated Jun 2026

Service detail: Architecture and Planning

Service: Architecture and PlanningService: Architectural DesignService: Master PlanningIndustry: EducationIndustry: Water SupplyType: Architecture & Engineering+30 more

Quiddity Engineering, LLC

Austin, TX

Empowering Communities Through Engineering & Innovation

Website14 offices4 projects11 leaders2 credentials3 publicationsFounded 1976

Project: Amazon Fulfillment Center Project Charm

Service: Water & WastewaterService: Wastewater Collection & TreatmentService: Water Distribution & TreatmentIndustry: GovernmentIndustry: Land DevelopmentType: Automation & Controls+32 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