As of May 2015, W.B. Mason sells a wide range of office furniture. Examples include chairs, desks, reception sofas, bookshelves and file cabinets. The store also carries equipment to help set up offices, such as partitions, lecterns, white boards and literature racks.
In addition to furniture, many office supplies, break room necessities, computers and cleaning materials are available. W.B. Mason also provides custom printing, custom stamps and promotional products.
In 1898, W.B. Mason opened its first store in Brockton, Massachusetts. As of 2015, the business has 30 locations across 11 states. It is the largest privately owned office products company in the United States.