Cook Group
 Cook Group Incorporated is an American privately held company based in Bloomington Indiana and primarily involved in manufacturing of medical devices. It was ranked #324 in Forbes' 2008 America's Largest Private Companies. It has three main divisions: Cook Medical Allied Manufacturing and Affiliates. All three divisions are made up of several subsidiary companies.The flagship company Cook Incorporated part of the Medical division was founded in 1963 in a spare bedroom in Bloomington.