| ABB | Company |
| ABB | Company |
| ABSOLUT DATA | Company |
| ABSOLUT DATA | Company |
| ACC | Company |
| ACCENTURE | Company |
| ACCOLITE | Company |
| ADA/DRDO | Company |
| ADOBE | Company |
| AKASH INSTIUTE | Company |
| ALSTOM PROJECTS | Company |
| AMADEUS | Company |
| AMAZON | Company |
| AMERICAN EXPRESS | Company |
| AMTEK | Company |
| ANSAL API | Company |
| ARICENT | Company |
| ARISTA NETWORK | Company |
| ASCENT MEDIA PTE LTD, SINGAPORE | Company |
| ASHOK LEYLAND | Company |
| ATKINS | Company |
| ATLAS COPCO | Company |
| ATRENTA | Company |