| Hindustan National Glass Industries Ltd. | Kharagpur Metal Reforming Industries Pvt Ltd. |
| Kores India Ltd. | Pritika Auto Industries Ltd. |
| KSB Pumps | Titagarh Wagons Limited |
| Electrosteel Casting | Shriram Foundry |
| Sound Casting | Mahindra CIE |
| TATA MOTORS. | FENACE AUTO LTD. |
| BHARAT HEAVY ELECTRICALSLTD.- BHOPAL | MANTRIMETALLICS PVT.LTD. |
| BHARAT HEAVY ELECTRICALSLTD.- HARIDWAR | RBAFERRO INDUSTRIES PVT.LTD. |
| STEEL AUTHORITY OF INDIA | AMAR UDYOG. |
| SCOOTERS INDIA LTD. | AMIT STEEL. |
| AIA ENGINEERING LTD. | RAIPUR ROTOCAST PVT. |
| STEEL CAST LTD. | SHRINIWAS ENGINEERING AUTO COMPONENTS PVT . |
| RICO AUTO INDUSTRIES LTD. | JINDAL SAW LTD . |
| NECO GROUP OF INDUSTRIES. | HIMAC CASTING PVT . |
| AMTEK INDIA LTD. | INDSUR GLOBAL LTD . |
| HIMGIRI CASTING PVT. LTD. | KIRLOSKAR BROTHERS LTD . |
| KISWOK INDUSTRIES PVT. LTD. | KOLHAPUR STEELS PVT . LTD . |
| LARSEN & TOUBRO PVT. LTD. | MAHLE ENGINE COMPONENTS INDIA PVT. LTD . |
| DCM ENGINEERING LTD. | MUNJAL KIRIU INDUSTRIES PVT . LTD . |
| MAHINDRA & MAHINDRA LTD. | PORWAL AUTO COMPONENTS LTD . |
| MAHINDRA HINODAY INDUSTRIES LTD. | SHRIRAM PISTON & RINGS LTD . |
| PRITIKA AUTOCAST PVT . LTD. | SPM AUTOCOMP SYSTEM PVT .LTD .( Manesar , Pune , Pithampur Plants ) |