W.J. Grosvenor & Company, Inc. is an industrial flooring supply company, with headquarters in North Billerica, Massachusetts, and ten other locations. We are proud to stock products from the most prominent names in the flooring supplies industry in all our stores and warehouses; Johnsonite, Silpro, Mapei, Aim, Parabond, Crain, Orcon, Gundlach, QEP/Roberts, Futura, Trax, Duo-Fast, and Leggett & Platt, just to name a few.