Acquired by ShoreTel in 2010.

Acquired by Cisco in 2014.

Assistly is now Desk.com. Acquired by SalesForce in 2011.

Acquired by GSN in 2014.

Acquired by Box in 2013.

Acquired by Uber in 2015.

Acquired by Persistent Systems on April 1, 2016.

Acquired by Perion on June 30, 2014.

Acquired by RNTS Media on December 23, 2015.

Acquired by Concur Technologies on September 13, 2016.

Acquired by Fusion-io on August 4, 2011.

Acquired by Cisco on January 4, 2007.

Acquired by ManpowerGroup on February 21, 2017.

Acquired by Cradlepoint on December 8, 2015.

Acquired by Vox Media on May 26, 2015.

Acquired by McKesson on June, 2006.

Acquired by Penn National Gaming on August 3, 2016.

Acquired by Postmates on November 5, 2015.

Acquired by Topgolf Entertainment Group on January 28, 2016.