About QE
Leadership
With more than 24 years of industry experience, Rick Quintanilla, our President, brings a hands-on, client-focused approach to every project. His leadership is grounded in collaboration, proactive problem-solving, and a deep knowledge of project management and delivery. Under Rick’s guidance, our team is committed to providing high-quality results from concept to completion—always with the client’s best interests in mind.
Built on Relationships. Strengthened by Expertise.
Quintanilla Engineering, LLC is a Texas-based, multi-discipline engineering firm proudly certified as a Historically Underutilized Business (HUB) by the State of Texas. As an affiliate of Johnston, LLC, we combine local expertise with trusted industry partnerships to deliver exceptional value.
Working alongside Johnston, we unite a highly experienced team of MEP engineers dedicated to designing innovative, efficient, and sustainable solutions. Our work is driven by a commitment to cost- and resource-conscious engineering that supports growth and strengthens the communities we serve.
What We Do
We specialize in Mechanical, Electrical, and Plumbing (MEP) engineering across a wide range of markets—including government, industrial, commercial, healthcare, and education. From complex facilities to everyday infrastructure, our team provides solutions that are efficient, reliable, and tailored to the unique needs of each project.
Our Approach
At Quintanilla Engineering, partnership is at the heart of everything we do. We take the time to listen, understand your challenges, and work side by side with you to achieve successful outcomes. Every project is an opportunity to combine technical excellence with practical design, ensuring the end result is both effective and sustainable.
For us, engineering isn’t just about technical solutions; it’s about listening, collaborating, and creating designs that make a real impact.
Rick Quintanilla
President
We Make The
Complex Simple.
From highly specialized healthcare facilities to large-scale industrial plants and essential government infrastructure, our team brings a focused, technical mastery to every challenge. We leverage over two decades of experience to deliver MEP systems that are not just compliant, but are innovative, resilient, and optimized for the long-term operational success of your most demanding projects.