J & B Materials, Inc. has 4 locations servicing southern California as well as parts of central California towards Los Angeles. J & B Materials, Inc. is a proud subsidiary company of Gypsum Management & Supply, Inc. (GMS). GMS is the leading U.S. distributor of wallboard, acoustical products and related specialty building materials. Founded in 1971, GMS has developed a strong national footprint by expanding through greenfields and acquisitions. The Company operates through nearly 40 independent regional subsidiaries with over 150 branches across 37 states. With over 10,000 SKUs of wallboard, acoustical, steel framing and complementary interior and exterior construction products, GMS serves as a one-stop-shop for its diverse base of 20,000+ customers.
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