| 501 | KARUR TALUK DYEING AND BLEACHING EFFLUENT TREATMENT PLANT COMPANY LTD. - U33112TN1991PLC020845 |
| 502 | KARUR VANCHI DYEING ENVIRO TECH LIMITED - U33112TN1993PLC025845 |
| 503 | KASY RADHA KRISHNAN AND CO PVT LTD - U33111TN1981PTC008700 |
| 504 | KATSUSHIRO MATEX INDIA PRIVATE LIMITED - U33100TN2007FTC065743 |
| 505 | KAVITHALAYAA ENTERTAINMENT PRIVATE LIMITED - U33209TN1997PTC037375 |
| 506 | KAYJAY TRONICS PVT LTD - U33111TN1980PTC008402 |
| 507 | KE ESS ELECTRICALS AND ELECTRONICS PRIVATE LIMITED - U33111TN1987PTC014337 |
| 508 | KEYBYTE PRIVATE LIMITED. - U33111TN1986PTC013485 |
| 509 | KEYENCE INDIA PRIVATE LIMITED - U33130TN2011FTC081813 |
| 510 | KHOSACA CALIBRATION LAB PRIVATE LIMITED - U33111TN2000PTC045903 |
| 511 | KILBURN ELECTRICALS LIMITED - U33111TN1987PLC014670 |
| 512 | KILBURN PRODUCT LIMITED - U33111TN1986PLC012733 |
| 513 | KIRAN IMD MEDICAL EQUIPMENT PRIVATE LIMITED - U33111TN2015PTC099559 |
| 514 | KIRAN MEDICAL SYSTEMS LIMITED - U33111TN1974PLC095942 |
| 515 | KLEMMEN ENGINEERRING PRIVATE LIMITED - U33111TN1991PTC020486 |
| 516 | KLINTRA RESEARCH & TECHNOLOGY SERVICES LIMITED - U33125TN2007PLC065789 |
| 517 | KM BEST MEDICAL WORKS PRIVATE LIMITED - U33110TN2010PTC075968 |
| 518 | KM WEDDING EVENTS MANAGEMENT PRIVATE LIMITED - U33209TN1996PTC036119 |
| 519 | KOKUSAI HEALTH CARE PRIVATE LIMITED - U33112TN1998PTC040731 |
| 520 | KOLD FORM TECH (INDIA) LIMITED - U33111TN1993PLC026314 |
| 521 | KONGU VALANADU FILMS LIMITED - U33209TN1997PLC038348 |
| 522 | KOOL KOIL REFRIGERTION PRIVATE LIMITED - U33111TN1986PTC013648 |
| 523 | KORNERSTONE DEVICES PRIVATE LIMITED - U33309TN2017PTC114950 |
| 524 | KOTTRAM HEALTHCARE PRIVATE LIMITED - U33110TN2017PTC120245 |
| 525 | KOUSHIK AUTO ASSOCIATES PRIVATE LIMITED - U33111TN1981PTC009055 |