San Antonio-based CNG Engineering, PLLC is a professional mechanical, electrical, and plumbing (MEP) design firm committed to our purpose: Engineer Exceptional & Equitable Environments for Everyone. Since 2004, we’ve delivered master planning, design, and building commissioning services for public sector clients across Texas—earning a reputation for clear, concise, and complete solutions.

 

What drives us forward is our unwavering Attention to Detail, which has helped us build lasting relationships and a strong reputation throughout the A/E/C community.  Our work is rooted in integrity, technical excellence, and a people-centered approach—because we know engineering is about more than systems; it’s about serving the communities behind them.

 

With deep expertise in municipal, aviation, education, healthcare, and commercial office facilities, we’ve played a key role in shaping some of our community's most impactful public projects, including:

 

• San Antonio International Airport Terminal Development Program

• City of Austin Convention Center Redevelopment
• City of San Antonio Alamodome Final Four Upgrades
• City of San Antonio Hemisfair Park Redevelopment
• Austin State Hospital
• North Texas State Hospital
• St. Philip’s College Tourism, Hospitality and Culinary Arts Center of Excellence
• Texas A&M University–San Antonio Central Academic Building
• Our Lady of the Lake University Main Building Restoration