San Antonio-based CNG Engineering, PLLC (CNG) is a professional  mechanical, electrical and plumbing engineering design firm that provides master planning, design and building commissioning services for public and private sector projects across the State of Texas. Since  2004, CNG has provided superior designs that are clear, concise and complete to continuously exceed the client and end users’ expectations.  Our commitment to paying Attention to Detail  has enabled CNG to build a solid reputation in the A/E/C community as an MEP design firm with demonstrated proficiency in the design and planning of municipal/civic, educational, health care and commercial office facilities.

University of Texas System Administration Replacement Office Building

• 2018 University of Texas System HUB Awards Certificate of Excellence for Outstanding Achievement in Construction

University of Texas System / Rio Grande Valley School of Medicine Institute Of Neuroscience

• 2023 University of Texas System HUB Awards Outstanding HUB Subcontractor

68th Annual San Antonio NAACP Freedom Fund Dinner

• 2017 City of San Antonio Transportation and Capital Improvements “Designer of the Year” for Mechanical and Electrical Projects

Main Building Restoration  at Our Lady of the Lake University

• 2014 AIA San Antonio Chapter Mayor's Choice Award
• 2012 National Trust for Historic Preservations' Preservation Honor Award
• 2011 San Antonio Conservation Society Award
• 2011 Associated Builders and Contractors Excellence in Construction
• 2010 San Antonio Business Journal's Best in Commercial Real Estate: Wild Card - Overcoming Adversity

Alamo Beer Brewery

• 2015 AIA San Antonio Chapter Honor Award

Austin-Bergstrom International Airport Consolidated Rental Car Facility

• 2016 Austin Business Journal Commercial Real Estate Awards: Industrial Development

Combined Center for Health Professions, Learning Resources and Student Welcome Center

• 2010 TASA / TASB Award

Café College

• 2011 AIA San Antonio Chapter Mayor’s Choice Design Award
• 2011 Downtown Alliance, Best Educational Facility

Casa Navarro State Historic Site

• 2012 San Antonio Conservation Society Award

Casis Elementary School

• 2023  Texas Association of School Administrators / Texas Association of School Board Caudill Class Award

Cedar Elm STEM Building

• 2022  AIA San Antonio Chapter Education Award

Confluence Park

• 2023 AIA Committee on the Environment Top Ten Project Award
• 2022 Metropolis Planet Positive Award Honoree
• 2020 Chicago Athenaeum American Architecture Award
• 2019 AIA Institute Honor Award for Architecture
• 2019 Texas Architect Design Award
• 2019 Texas ASLA Award of Excellence
• 2018 AIA San Antonio Honor Award
• 2018 Architizer A+Awards - Pavilion Category Jury Award
• 2018 ABC Central Texas Excellence in Construction Award
• 2016  Texas Architects Studio Award
• 2016 Texas Society of Architects Studio Award - Unbuilt Category

Jingu House at Japanese Tea Gardens

• 2012 San Antonio Conservation Society Award

Hemisfair Park  - Yanaguana Garden

• 2019 Texas ASLA Honor  Award

Mission Branch Library

• 2016 AIA San Antonio Chapter Honor Award
• 2015 AIA / ALA Library Building Award
• 2022 AIA San Antonio Chapter Mayor’s Choice Design Award

Mission Drive-In Marquee

• 2016 San Antonio Conservation Society Award

Public Safety Headquarters

• 2013 AIA San Antonio Chapter Mayor’s Choice Design Award

Port San Antonio Building 43 (ACS Call Center)

• 2010 San Antonio Business Journal's Best in Commercial Real Estate Best Rehab Project

Robert B. Green Campus Clinical Pavilion

• 2012 Downtown Alliance, Best Work in Progress, Downtown's Best Awards

Rosedale School

• 2023 AIA Austin AIA Austin Design Award Commendation for Humancentric Design Downtown Alliance
• 2023 Best Projects Award of Merit from Engineering News-Record
• 2023 ULI Austin Impact Award Project

San Antonio Federal Courthouse

• 2023 AIA San Antonio People and Places Mayor's Choice Award

San Antonio Riverwalk Capital Improvements

• 2018 San Antonio Conservation Society Award
• 2014 Downtown Alliance, Best Development / Construction Project, Downtown's Best Awards (Phases 1-3)

San Antonio Riverwalk Capital Improvements - Master Plan

• 2010 Downtown Alliance, Best Public Improvement Project Work in Progress, Downtown's Best Awards

Walker Ranch Senior Center

• 2022 AIA San Antonio People and Places Mayor's Choice Award