Richard F. Williamson

Hamilton Thorne, Inc. engages in the manufacture of surgical and medical equipment. It offers clinical and research laser, clinical sperm analysis, animal and research sperm analysis, and sperm analyzer. The company was founded by Diarmaid Douglas-Hamilton and Meg Spencer in 1997 and is headquartered in Beverly, MA.

Instrumentation Laboratory Co. manufactures diagnostic products. It offers critical care systems, hemostatis products and information management services. The firm provides services to the hospitals and clinical laboratories. Instrumentation Laboratory was founded in 1959 and is headquartered in Bedford, MA.

Part of Butler National Corp., Avcon Industries, Inc. is a company that manufactures aircrafts. The company is based in Newton, KS.

American Graphics Institute engages in the provision of organizations and individuals with training and support for design, marketing, and publishing technology. The company was founded by Christopher Smith and Jennifer Smith in 1995 and is headquartered in Woburn, Massachusetts.

Aretec Group, Inc. is a holding company, which engages in the provision of integrated financial services focusing on retail investors. The company was founded on December 27, 2012 and is headquartered in El Segundo, CA.