Innovative Solutions for Engineering Challenges

At JGGM Engineering, we specialize in delivering cutting-edge engineering solutions tailored to your needs. With our expertise and commitment to excellence, we tackle complex challenges head-on, providing innovative solutions that propel your projects forward.

About us

Welcome to JGGM Engineering

JGGM Engineering, LLC is a client focused Mechanical and Plumbing Engineering Firm dedicated to delivering cost effective, energy efficient, buildable and maintainable systems.
While building relationships with diverse clientele, we have enjoyed building the business over the last year. JGGM was established as an entity in January of 2023 between Jennifer Garver and Gabriel Millican who spent the previous 6 years building up Millican Engineering as a solid firm in Phoenix, Arizona.

Contact us!

(602) 531 4788

Our Visionary Leaders

Our Leadership

At JGGM Engineering, our success is driven by the expertise and leadership of our team. Meet the individuals guiding our company towards excellence, each bringing unique skills, experience, and a shared commitment to innovation and client satisfaction. Get to know the leaders shaping our vision and driving our success.

Gabriel E. Millican, PE

Principal

Jennifer R. Garver, PE

Principal

We Also Offer

Expert HVAC & Plumbing Design Solutions

Discover our comprehensive HVAC and plumbing design services tailored to meet the unique needs of your project. From conceptualization to implementation, our experienced team ensures efficient and sustainable solutions that optimize comfort, functionality, and energy efficiency. Explore how our expertise in HVAC and plumbing design can elevate your project to new heights.
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