Our Story and State-Wide Impact

Delivering guaranteed energy savings and modernized infrastructure across the state of Texas.

Port Neches-Groves ISD Case Study

Through a comprehensive energy savings project, E3 implemented district-wide efficiency improvements for Port Neches-Groves ISD. Watch the video to see the impact of our partnership.

Our Mission: Empowering Texas Public Facilities

Founded with the vision of simplifying complex engineering upgrades, E3 Entegral Solutions is a premier design-build energy services company. We partner with public entities to replace aging mechanical systems, install smart technologies, and capture guaranteed utility savings.

Deep Texas Roots

We are 100% Texas-owned and operated. With local regional hubs in Dallas, Houston, Austin, and San Antonio, our engineers, construction managers, and operations experts live in the very communities we serve, ensuring rapid response and deep local commitment.

We don't just upgrade equipment; we build lifelong partnerships. Our primary focus is redirecting taxpayer dollars away from waste and back into essential public services. Like education, local government, and public health.
E3 Leadership Team
We realized our annual savings estimate in just over eight months of tracking.
Dr. Daniel Trevino, Jr.Dr. Daniel Trevino, Jr., Superintendent, Mercedes ISD
They came in on nights and weekends so we never disrupted any classes.
Rudy RodriguezRudy Rodriguez, Director of Maintenance, Edcouch-Elsa ISD
You'll never hear us say, 'It's not our problem.'.
This was probably the best-run project that I have ever been a part of.
Dr. Mike GonzalesDr. Mike Gonzales, Superintendent, Port Neches-Groves ISD