Atop Fasteners Pvt. Ltd. was established as a proprietary firm in the year 1988 as Atop Industries. In March, 1990, manufacture of split-pins was started.  Spring Washers were introduced in 1992. In-house testing facilities were set-up in 1995. The constitution was changed to Private Limited on April 01, 1997. During the subsequent years, Atop went in for installation of Quality systems and replacement of old machinery and   equipment   with better and improved versions. Atop has been certified as ISO/TS/16949 Company in July 2007 by TUV Sud .