| M/S MARUTI UDYOG LTD. |
| M/S HERO HONDA MOTORS LTD. |
| M/S ELECTROLUX |
| M/S LML LTD. |
| M/S BAJAJ AUTO LTD |
| M/S TATA MOTORS LTD. |
| M/S HERO MOTORS LTD. |
| M/S MAJESTIC AUTO LTD |
| M/S ESCORTS LTD. |
| M/S INTERNATIONAL TRACTORS LTD. |
| M/S HMT LTD. |
| M/S STANDARD COMBINES PVT.LTD. |
| M/S INDOFARM TRACTORS & MOTORS PVT.LTD. |
| M/S MUNJALSHOWA LTD, GURGAON |
| M/S GABRIEL INDIA LTD. NASIK NOIDA HOSUR |
| M/S ENDURANCE SYSTEMS (INDIAPVT.LTD) |
| M/S ANDRE HVAC INTERNATIONAL INC.CANADA |
| M/S FCC RICO LTD .,MANESAR |
| M/S HALDEX INDIA PVT. LTD. |
| M/S BOSCH CHASSIS SYSTEMS INDIA LTD DIRECTRO GENRAL OF SUPPLIERS & DISPOSALS, NEW DELHI. |
| RESEARCH, DEVELOPMENT AND STANDARD ORGANISATION( RAILWAY) LUCKNOW. |
