The Ruskin Company, of the air systems components group of Tomkins plc, a global manufacturing company, recently announced that it has acquired certain assets of the vent and control damper and economizer business of Johnson Controls, Inc. Ruskin will manufacture the vent and control dampers formerly manufactured by Johnson Controls, but these products will continue to be marketed, sold and distributed by Johnson Controls. Ruskin also will take over the manufacturing and marketing of Johnson Controls Economizer dampers, which now will be sold under the Ruskin brand name.