| 501 | Shahbaz Engineering | Lahore |
| 502 | Salman Asia Sanitary Fittings | Gujranwala |
| 503 | Metal Art Exporters | Faisalabad |
| 504 | Hafiz Engineering'S | Lahore |
| 505 | G R Cutlery Set | Gujranwala |
| 506 | Teflon Metal Ware Industries | Gujranwala |
| 507 | Afzal Sanitary Fitting | Gujranwala |
| 508 | Ali Foundry | Gujranwala |
| 509 | Qaiser Javed Steel Industry | Gujranwala |
| 510 | Bismillah Steel | Sheikhupura |
| 511 | Haji Muhammad Ali | Lahore |
| 512 | Naveed Steel Works | Lahore |
| 513 | Ams-Power & Industrial Engineering (Pvt) Ltd. | Lahore |
| 514 | Nazeer Bolt Industry | Lahore |
| 515 | Lahori Welding Workes | Jhang |
| 516 | Muhammad Bashir Tools | Gujranwala |
| 517 | M. Umair Steel Of Steel | Gujranwala |
| 518 | Khalid Cutlery Works | Gujranwala |
| 519 | Mistri Muhammad Hussain Die Makers | Gujranwala |
| 520 | White Rose Cutlery Works | Gujranwala |