Biomet

Biomet, Inc. is a worldwide leader in the design and manufacture of products for hip replacement, knee replacement, shoulder replacement, elbow replacement, and other small joint replacement.

Biomet was taken private and stopped trading on the NASDAQ on September 25th, 2007. The lead investor was Blackstone, other investors included Goldman Sachs, KKR, and TPG.

Latest 10-K: http://sec.gov/Archives/edgar/data/351346/000119312507165531/0001193125-07-165531-index.htm

Sources:
http://www.biomet.com/