TORONTO—  Southwest Business Products (Southwest Bindings) announce that they have purchased the Binders and Index Tabs Business from DATA Communications Management Corp (DCM) In addition, Southwest has entered into a long-term supply agreement with DCM whereby Southwest has become the preferred vendor to DCM for the supply of binders, index tabs and related products. The loose-leaf binders and tabs business was previously acquired by DCM in conjunction with their acquisition of BOLDER Graphics .Southwest Business Products ( formally Southwest Bindings) is a Canadian company with flagship offices in Calgary, Toronto, and Vancouver, and with additional branches in Halifax, Montreal, and Ottawa. Southwest also bought Tops Products ( division of Esselte) and Graphic Supply & Equipment of Nova Scotia in 2016 .