Tue, Mar 12, 2013 12:00 - QSGI, Inc. (QSGI: OTC Link) - Tier Change - The symbol, QSGI, no longer is classified as OTC Pink Limited. As of Tue, Mar 12, 2013, QSGI resides in the OTC Pink No Information tier. You may find a complete list of tier changes at otcmarkets.com.