Master Building Specialties INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersOntario, CA
SAM.gov UEITE44VBYUS2S4
Master Building Specialties, Inc. manufactures and sells commercial bathroom partitions and fixtures, including products made from materials such as stainless steel, solid plastic, and baked enamel. The company offers bathroom accessories and equipment including toilet accessories, grab bars, hand dryers, paper towel dispensers, soap dispensers, mirrors, lockers, and shower fixtures and stalls. The company serves commercial restroom and facility applications.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Master Building Specialties INC | Ontario | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.

