Frank Best had created several companies for a number of inventions. Frank E. Best, Inc. held the original patents, while Best Universal Lock Corporation was licensed to manufacture and sell the products. Best Lock Corporation was established later to manufacture and sell a new tubular lockset called the 10K. Over time, the roles of these three companies changed. Frank E. Best, Inc. became, in effect, a holding company above Best Universal Lock Corporation, which in turn, controlled Best Lock Corporation which manufactured and sold the Best line of products. Frank Best's oldest son, Walter Best, owned the majority shares of the three Best companies and served as President from 1966 through 1994 and it was during his tenure that the full line of mechanical lock hardware was developed. Russell Best, grandson of Frank Best, acquired Best Lock Corporation in May 1994 from his father, Walter Best. He changed the name of Best Lock Corporation in November, 1997 to Best Access Systems. On November 25, 2002, all holdings of Russell Best, who had acquired all the outstanding stock of the minority shareholders of the three businesses in 1997 in "a legally challenged transaction", were purchased by
Stanley Black & Decker. The company became Stanley Security Solutions, but still
doing business as Best Access Systems. In 2005, family members of those that Russell Best had ousted from the original company began a new enterprise - Marshall Best Security - in the same Indianapolis community and producing the same types of interchangeable cores and related commercial hardware. ==Competitive challenges==