This is a complete list of all WinWholesale locations along with their geographical coordinates. WinWholesale has been in the manufacturing and distribution of plumbing supplies, water heaters, valves, and fire hydrants since 1857 as the N.O. Nelson Mfg. Co. In 2005 the company adopted the WinWholesale name. They now have over 450 locations in 43 states in their family of companies. The data includes phone numbers and email addresses for each location.