Insurance. Colorado Colorado Supreme Court rules insurance companies not exempt from state sales and use taxes. Post Mr 20, 1972 p.4 Bullers and Darrah Associates, Incorporated is the first firm to help out-of-state corporations set up private or "captive" insurance companies, Post Ap 9, 1972 p 35 First "captive insurance company" chartered in Colorado is OSG Insurance, Inc. RMN Ag 16, 1972 p.88