Bob B. Wetzel

Sigma-Aldrich Corp. operates as a life science and technology material company. It develops, manufactures, purchases and distributes a broad range of biochemical and organic chemicals. Its services include basic research, product and process development, manufacturing and production, regulatory compliance, and facility operations. was founded in May 1975 and is headquartered in St. Louis, MO.

U.S. Spinal Technologies LLC developed, manufactured, and marketed spinal implant systems. The company was founded by James G. Koman and Doris M. Blake in 2003 and was headquartered in Boca Raton, FL.

Coolfire Solutions, Inc. designs and develops mobile applications. It develops and sells a mobile situational awareness solution, the Ronin Platform which connect people, assets & information across any platform, leveraging data from any source, device, or network to enable better decision making at the edge. The Ronin Platform is used in products for US special operators, healthcare, security as well as large commercial enterprise customers. The company was founded by Tom Cox and Jeff Keane on April 26, 2010 and is headquartered in St. Louis, MO.

Augury Capital Management LLC (Augury Capital) is a private equity firm founded in 2006 by David Truetzel. The firm is headquartered in St. Louis, Missouri.

US Spine, Inc. develops and manufactures spinal implant products. The company was founded by James G. Koman on July 22, 2008 and is headquartered in Boca Raton, FL.