Winsupply Inc. announced it has purchased MSI Supply, a Houston, TX-based distributor of pipe, valves and fittings (PFV). Details of the stock purchase were not disclosed. MSI Supply is a full-line distributor of PVF, flanges, stud bolts, gaskets and fasteners. As a Winsupply company, MSI Supply will remain under the leadership of co-owner Chad Smith. The company was founded in 1999.