| Quercus TFI SA (QRS) WSE - Warsaw Stock Exchange | |
| Quest Co., Ltd. (2332) TYO - Tokyo Stock Exchange | |
| Quest Investments Limited (QST) ASX - Australian Securities Exchange | |
| Quest Minerals Limited (QNL) ASX - Australian Securities Exchange | |
| Quest Petroleum NL (QPN) ASX - Australian Securities Exchange | |
| Quattro Exploration \x26 Production Ltd. (QXP) CVE - Toronto TSX Ventures Exchange | |
| Quaterra Resources Inc (QTA) CVE - Toronto TSX Ventures Exchange | |
| Quash Products PLC (QPS) ETR - Deutsche Börse XETRA | |
| Quanta Computer Inc. (2382) TPE - Taiwan Stock Exchange | |
| Quanta Resources Inc (QR.H) CVE - Toronto TSX Ventures Exchange | |
| Quantel SA (QUA) EPA - Paris NYSE Euronext | |
| QRS International AG (QMA1) ETR - Deutsche Börse XETRA | |
| QRS International AG (QMA1) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| Quantitative Alpha Trading Inc. (QAT) CNSX - Canadian Securities Exchange | |
| Quantum Energy Limited (QTM) ASX - Australian Securities Exchange | |