| QUAM HKD0.0033 (QUMMF) OTCMKTS - OTC Markets | |
| QUALITY ONE WIRELE (QOWI) OTCMKTS - OTC Markets | |
| QUALITY DATA PROCESSING (QDTA) OTCMKTS - OTC Markets | |
| QT VASCULAR LTD (QTVLF) OTCMKTS - OTC Markets | |
| QiMing Information Technology Co., Ltd (002232) SHE - Shenzhen Stock Exchange | |
| Quantum Foods Holdings (QFH) JSE - Johannesburg Stock Exchange | |
| QWICK MEDIA INC (QMI) CNSX - Canadian Securities Exchange | |
| QSC (QSC) SWX - SIX Swiss Exchange | |
| Qiagen (QIA) SWX - SIX Swiss Exchange | |
| Qihoo 360 Techn (QIHU) SWX - SIX Swiss Exchange | |
| Qualcomm (QCOM) SWX - SIX Swiss Exchange | |
| Q Capital Partners Co., Ltd. (016600) KOSDAQ - KOSDAQ Stock Market | |
| QSI Co Ltd (066310) KOSDAQ - KOSDAQ Stock Market | |
| QMS Media Ltd (QMS) ASX - Australian Securities Exchange | |
| Qinghai Salt Lake Potash Company Limited (000792) SHE - Shenzhen Stock Exchange | |