Contact 24/7 EMERGENCY

Who We Are

MDC Low Voltage

Built on expertise. Driven by integrity. Focused on the future.

MDC Low Voltage has proudly served the greater Bay Area and beyond for over 30 years as a trusted low-voltage systems contractor. Founded in 1995 by Patrick McMillan Jr., the company began as a division of McMillan Electric before incorporating independently in 2008.

30+

Years Experience

120+

Technicians

1000+

Projects Completed

Our Expertise

With more than 120 full-time technicians and certified professionals—including RCDDs, CTS-Ds, and manufacturer-certified specialists—we provide end-to-end solutions from design and engineering to installation and service.

Industries We Served

We have supported a wide range of industries including healthcare, education (K-12 and higher education), life sciences, commercial developments, technology campuses, residential projects, and public works.

What Sets Us Apart

Our commitment to clear communication, attention to detail, and practical engineering ensures every project—regardless of size—is delivered on time and exceeds expectations.

Our Mission

To provide exceptional service, lasting partnerships, and cutting-edge solutions that keep our clients connected, secure, and future-ready.

Built on expertise. Driven by customer service. Focused on the future.