Frank M. Booth, Inc

Since 1912, Frank M. Booth, Inc.(FMB) has delivered trusted mechanical engineering and construction services across Northern California and Nevada. FMB brings over 110 years of experience, craftsmanship, and innovation to commercial, institutional, and industrial projects. From design-build and design-assist services to complex plan and specification execution, FMB provides cost-effective, constructible solutions tailored to the unique needs of each client. Our in-house expertise spans HVAC, plumbing, architectural sheet metal, building automation systems, and BIM coordination—ensuring seamless integration from concept to completion. FMB is not just a contractor; we’re a collaborative partner focused on delivering maximum value, reliability, and performance. Our dedicated Service Group ensures peak uptime and lifecycle support for all FMB-installed systems, while our team continues to grow with driven, skilled professionals committed to excellence.