| 51 | ORIENT CARBONIC GAS INDUSTRIES PRIVATE LIMITED - U11201TN1988PTC016401 |
| 52 | PALAYAM ENERGY PRIVATE LIMITED - U11100TZ2009PTC018157 |
| 53 | PALMITEC ENGINEERING PRIVATE LIMITED - U11100TN2015PTC101601 |
| 54 | PETRO INDIA OIL MARKETING AND REFINERIES LIMITED - U11100TN2015PLC099951 |
| 55 | PETRONYX OIL AND GAS FIELD SERVICES PRIVATE LIMITED - U11100TN2012PTC085617 |
| 56 | PETROVERSA EXPLORATION AND PRODUCTION TECHNOLOGIES PRIVATE LIMITED - U11100TN2014PTC098633 |
| 57 | PETROZCHEM OFFSHORE PRIVATE LIMITED - U11100TN2011PTC083451 |
| 58 | PLATINUM GRANITE PVT LTD - U11100TN1987PTC082062 |
| 59 | PRAMEYA ENGGSOL PRIVATE LIMITED - U11100TN2014PTC095152 |
| 60 | PREMIER PETROLEUMS PRIVATE LIMITED - U11101TN1994PTC026877 |
| 61 | PURELUBRICANTS CHENNAI PRIVATE LIMITED - U11100TN2013PTC090366 |
| 62 | RAJAM AUTO GAS PRIVATE LIMITED - U11100TN2012PTC087179 |
| 63 | RED MOON ENERZ INDIA PRIVATE LIMITED - U11100TN2012PTC087965 |
| 64 | RISHAB ENGINEERS & CONSULTANTS PRIVATE LIMITED - U11202TN2009PTC073544 |
| 65 | S.G.S ENERGY PRIVATE LIMITED - U11102TN2006PTC060964 |
| 66 | SAAG OIL TECHNOLOGY (INDIA) LIMITED - U11200TN2007PLC065861 |
| 67 | SAGAR OILFIELD ENGINEERING & SUPPLIES PRIVATE LIMITED - U11200TN2009PTC073550 |
| 68 | SAKTHI JATROLEUM PRIVATE LIMITED - U11100TN2008PTC066380 |
| 69 | SASHIKALA OILS AND EXTRACTIONS PRIVATE LIMITED - U11101TN1988PTC015752 |
| 70 | SEABED OIL & GAS INFRA PROJECTS PRIVATE LIMITED - U11200TN2012PTC085644 |
| 71 | SHIL IMPEX PRIVATE LIMITED - U11101TN2006PTC060954 |
| 72 | SHREE POWER LUBRICANTS PRIVATE LIMITED - U11101TN2010PTC075913 |
| 73 | SIGMA OXYGEN LIMITED - U11201TN1995PLC030242 |
| 74 | SMART OILS PETRO CHEM PRIVATE LIMITED - U11101TN2015PTC100589 |
| 75 | SMJ ENGINEERING SERVICES AND CONSULTANCY PRIVATE LIMITED - U11200TN2007PTC065869 |