E.R. Butler and Co. is a manufacturer of high-quality hardware, including doorknobs, locks, hinges, floor stops and a variety of other fixtures. It also produces and sells home decor and furnishings, including candlesticks, vases, plates and bowls. Hardware is available in a wide variety of period styles, ranging from Louis XIV Regency to Renaissance, Baroque and Art Nouveau. There is also a selection of handcrafted jewelry. The Beacon Hill showroom has been open since 2000.