| 1976 | WIZARDS EXPRESS PRIVATE LIMITED - U64120DL1998PTC091507 |
| 1977 | WIZMORE COMMUNICATIONS PRIVATE LIMITED - U64200DL2010PTC211145 |
| 1978 | WONDER TELECOM PRIVATE LIMITED - U64202DL2004PTC126578 |
| 1979 | WORLD ONE SOLUTIONS PRIVATE LIMITED - U64200DL2010PTC198278 |
| 1980 | WORLDLINK TELECOM LIMITED - U64203DL1996PLC077368 |
| 1981 | WORLDNET SOLUTIONS PRIVATE LIMITED - U64203DL2016PTC306771 |
| 1982 | WWE COURIERS PRIVATE LIMITED - U64100DL2008PTC180949 |
| 1983 | WYNOMY INFOTECH PRIVATE LIMITED - U64204DL2018PTC332738 |
| 1984 | X-CALIBUR COMMUNICATIONS PRIVATE LIMITED - U64203DL1996PTC081672 |
| 1985 | XAGE COMMUNICATION INDIA PRIVATE LIMITED - U64201DL2010PTC204256 |
| 1986 | XCITE COMMUNICATIONS PRIVATE LIMITED - U64120DL2008PTC183975 |
| 1987 | XH SMARTCARD (INDIA) PRIVATE LIMITED - U64203DL2017PTC317838 |
| 1988 | XO E-COM INTERNET PRIVATE LIMITED - U64120DL1999PTC103024 |
| 1989 | XPRESS TRANSIT NETWORK PRIVATE LIMITED - U64120DL2004PTC124212 |
| 1990 | XPS COURIER PRIVATE LIMITED - U64120DL2000PTC105835 |
| 1991 | YASH CALLNET PRIVATE LIMITED - U64201DL2006PTC146078 |
| 1992 | YASH MOBILE PRIVATE LIMITED - U64201DL2006PTC157007 |
| 1993 | YASH TELENET COMM PRIVATE LIMITED - U64200DL2016PTC303256 |
| 1994 | YELLOW PAGES DOTCOM PRIVATE LIMITED - U64202DL2001PTC109074 |
| 1995 | YES FIBERNET SERVICES PRIVATE LIMITED - U64200DL2017PTC322354 |
| 1996 | YOGESH MAIL SERVICES PRIVATE LIMITED - U64120DL2004PTC130952 |
| 1997 | YONKER COURIER SERVICES PRIVATE LIMITED - U64120DL1998PTC094586 |
| 1998 | YU TELEVENTURES PRIVATE LIMITED - U64100DL2014PTC272953 |
| 1999 | YUGPARIVARTAN MULTITRADE MARKETING PRIVATE LIMITED - U64200DL2008PTC185151 |
| 2000 | ZAMIL AIR CONDITIONERS INDIA PRIVATE LIMITED - U64100DL1992PTC050416 |