| Miraj Instrumentation |
| IOTEP Engg. Project Ltd |
| RST CONTROL SYSTEM Pvt. Ltd |
| Jazzcon Engineers Pvt. Ltd |
| Prolific System & Technologies Pvt Ltd |
| Offshore Infra. Structure Ltd |
| Tuaman Engineering Ltd |
| HMEL |
| L&T MMH |
| L&T Energy Hydrocarbon |
| Kruti Technoengg pvt Ltd. |
| Paramount Limited |