| Alterrus Systems Inc (ASI) CNSX - Canadian Securities Exchange | |
| Altia Consultores S A (ALC) BME - Bolsa de Madrid Exchange | |
| Alticast Corp (85810) KOSDAQ - KOSDAQ Stock Market | |
| Altice NV (ATC) AMS - Amsterdam NYSE Euronext | |
| Altima Resources Ltd. (ARH) CVE - Toronto TSX Ventures Exchange | |
| Altin Yunus Cesme Turistik Tesisler A.S. (AYCES) IST - Istanbul Stock Exchange | |
| Altinyag Kombinalari A.S. (ALYAG) IST - Istanbul Stock Exchange | |
| Altiplano Minerals Ltd (APN) CVE - Toronto TSX Ventures Exchange | |
| Altitude Resources Inc (ALI) CVE - Toronto TSX Ventures Exchange | |
| Altius Minerals Corporation (ALS) TSE - Toronto Stock Exchange | |
| Alto Palermo SA (APSA) BCBA - Buenos Aires Stock Exchange | |
| Alto Ventures Ltd (ATV) CVE - Toronto TSX Ventures Exchange | |
| Alton Sports Co Ltd (123750) KOSDAQ - KOSDAQ Stock Market | |
| Altona Mining Ltd (AOH) ASX - Australian Securities Exchange | |
| Altran Technologies SA (ALT) EPA - Paris NYSE Euronext | |