| 1 | Lambda Microwave (P) Ltd. | DLF Faridabad |
| 2 | HCC | Badarpur Border |
| 3 | Lal King (P) Ltd | Ludhiyana |
| 4 | Perfect Gen. Tech (P) Ltd | Ghaziabad |
| 5 | Prashant Generator | Bahadurgarh |
| 6 | Cantech Engineers (P) Ltd | Faridabad |
| 7 | Karkera Trading Corporation | Manglore |
| 8 | SMP Engg (P) Ltd | Guwahati |
| 9 | Swarn Project (P) Ltd | Gurgaon |
| 10 | Swift Power Solution | Gurgaon |
| 11 | Indera Enterprises | Varanasi |
| 12 | Ascent Diesel & Electrical | Noida |
| 13 | Navdurga Enterprises | Bihar |
| 14 | United Engg Corporation | Aurangabad |
| 15 | Vijay Laxmi Industries | Hubli |
| 16 | Siemens Mobility, Delhi Metro Rail Corporation | Delhi |
| 17 | Siemens Mobility, Chennai Metro Rail Corporation | Chennai |
