List of reporting marks: QQQC - Quebec Central RailwayQCCX - Quantum Chemical CorporationQGRY - Quebec Gatineau RailwayQNSX - Rail Enterprises Inc. QOCX - GE Rail ServicesQOHX - Quaker Oats CompanyQOTX - Quaker Oats Company QRR - Quincy RailroadQSMX - Quaker State Oil Refining CorporationQSOX - Quaker State Oil Refining CorporationQTTX - TTX Corporation