List of reporting marks: Q

Q

 * QC  - Quebec Central Railway
 * QCCX - Quantum Chemical Corporation
 * QGRY - Quebec Gatineau Railway
 * QNSX - Rail Enterprises Inc. (Doing Business As: Quebec North Shore and Labrador Railway on behalf of Iron Ore Company of Canada)
 * QOCX - GE Rail Services
 * QOHX - Quaker Oats Company
 * QOTX - Quaker Oats Company (Chemicals Division)
 * QRR - Quincy Railroad
 * QSMX - Quaker State Oil Refining Corporation
 * QSOX - Quaker State Oil Refining Corporation
 * QTTX - TTX Corporation