| 51 | SHUBHAM FORGING PRIVATE LIMITED - U28910BR1996PTC007412 |
| 52 | SINDHU ENGINEERING WORKS PRIVATE LIMITED - U28123BR1971PTC000909 |
| 53 | SIYWOK INDUSTRIES PRIVATE LIMITED - U28999BR2017PTC034944 |
| 54 | SKRIK INDUSTRIES PRIVATE LIMITED - U28994BR2017PTC034771 |
| 55 | SOUBHAGYA SHAKTI ROOFING WORKS PRIVATE LIMITED - U28999BR2017PTC035900 |
| 56 | SSKANTI FACTORY (OPC) PRIVATE LIMITED - U28999BR2018OPC037234 |
| 57 | SUNUSA INDUSTRIES PRIVATE LIMITED - U28110BR2011PTC017263 |
| 58 | SURYANATH STEELS PRIVATE LIMITED - U28910BR2014PTC021840 |
| 59 | THAKUR ENGINEERING ENTERPRISES PRIVATE L IMITED - U28939BR1974PTC001142 |
| 60 | URMAY STEEL CRAFT PRIVATE LIMITED - U28939BR2013PTC020510 |
| 61 | URMILA ENGINEERING & CHEMICAL INDUSTRIES PRIVATE LIMITED - U28991BR1978PTC001377 |
| 62 | VALLEY SECURITY SERVICES PRIVATE LIMITED - U28112BR2016PTC026224 |
| 63 | VIVIDH ENGINEERING WORKS PRIVATE LIMITED - U28129BR1966PTC000775 |
| 64 | WANI CHADRA KARKAT PRIVATE LIMITED - U28990BR2017PTC036090 |
| 65 | WELDCORP PRIVATE LIMITED - U28100BR2017PTC034069 |