| X Age Mobile 18001029243 |
| Xenon 18004253838 |
| Xerox – 1800 180 1225 |
| XISS Ranchi 18001032828 |
| XLRI Jamshedpur 18002009191 |
| XLS Express Cargo 1800 180 0777 |
| XPS 18001800977 |
| Xyata Life Sciences 1800111155 YAxis Placements 18004251577 |
| Yamaha 18004201600 |
| Yatra 18605000500 18001800810 18605000600(Intl) 18602001800 18605000900 18605001000 |
| Yepme 18604204207 |
| Yes Bank 18002000 |
| Yummiez 1800222666 |
| Yuva Counselling Helpline 1800116888 |
| Zee Business 18001803545 |
| Zee Interactive Learning Systems (ZILS) 18002098080 |
| Zen Mobile 18001031936 |
| Zen Technologies 18004254094 |
| Zenith 1800222004 |
| Zenith Holidays 1800112277 |
| Zero B 180030181818 |
| Zicom Electronic Security Systems 1800224567, 18002704567 |
| ZTE Corporation 18001021900 |
| Zyxel India 18001029995 |
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