ST. LOUIS--(BUSINESS WIRE)--Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, announced today that they have acquired PKWARE Inc. (PKWARE), a Milwaukee, Wisconsin-based provider of data security software solutions. AGC Partners served as the exclusive financial advisor to PKWARE on this transaction. Terms of the transaction were not disclosed. Founded in 1986, PKWARE (www.pkware.com) created the .ZIP file format and provides leading compression, encryption and d.