GMS closes acquisition

Gypsum Management & Supply Inc. has announced the completion of its acquisition of Kamco Supply Corporation, first reported in late December. Kamco is a supplier of ceilings, wallboard, steel, and lumber in the New York City area. Founded in 1939, it logged revenues of about $245 million last year. GMS has a growing number of stores in Canada, including Watson Building Supplies in the Greater Toronto Area and Rigney Building Supplies in Kingston, Ont.