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TESTIMONIALS

"50 out of 50 Customer Satisfaction" 

-Chevron Energy Solutions for work done at Hartnell College.

"I have been working with MBL & Sons/MBL-Energy for more than five years. MBL has smooth, effective internal processes in place that makes them one of the best contractors in the Bay Area to work with.  They are collaborative, communicative, and experts at what they do.   MBL understands everything it takes to build their canopy structures in the fast-paced, sometimes high-intensity, situations that our projects require, and have never let me down. I look forward to many years of a continued successful relationship with MBL." 

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-Sal Costanzo, Sprig Electric

"I have been doing solar for over 15 years and I can say, without embellishing, that the final product I see MBL constructing on my job site here in Elk Grove California as well as the work done previously in Orange county is of the highest caliber workmanship."

-Jason Linder

Construction Manager

Ameresco

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We have had the pleasure of doing business together for over ten years, and throughout this time MBL has consistently demonstrated professionalism, reliability, and expertise. They have become one of our most trusted partners, delivering structural and electrical installation for PV systems, BESS, and EV charger projects across California. Their ability to complete projects safely, on time, and with the highest quality is why we continue to rely on them year after year.

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- Charlie Oliver, Director of Engineering and Renewables

“I’ve worked with MBL - specifically Jim and Nathan - for over 15 years, and they’ve consistently supported us throughout that time. They always do what they say they’re going to do, when they say they’re going to do it. That kind of reliability and follow-through is rare, and it’s why we’ve trusted them for more than a decade.”

— Russ Hudson, Project Manager, Southland Industries

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© 2025 by MBL & Son's, Inc.

Morgan Hill, California

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