| 581 | Mass Lite Engineering (Pvt) Limited | Gujranwala |
| 582 | Qaisar Foundry | Gujranwala |
| 583 | Sajjid Foundry | Gujranwala |
| 584 | Abdul Rehman Veterinary Instruents Maker | Sialkot |
| 585 | Us Veterinary Company | Sialkot |
| 586 | Liaqat Zarayi Aalat | Multan |
| 587 | Modern Wire Industry | Sheikhupura |
| 588 | Gold Light Engineering | Gujranwala |
| 589 | Sajjad Metal Works | Gujranwala |
| 590 | Iftikhar Furnis Industry | Gujranwala |
| 591 | Yasir Stove Spare Part | Gujranwala |
| 592 | Madina Enterprises | Lahore |
| 593 | Habib Steel Re-Rolling Mill | Lahore |
| 594 | Techno Power | Rawalpindi |
| 595 | Arif Steels Works, Arifwala | Pakpattan |
| 596 | Tufail Pipe Factory | Sheikhupura |
| 597 | A.S (Gujjar Steel) Re-Rolling Mills | Lahore |
| 598 | Z.K Exports | Faisalabad |
| 599 | Hanzla Metal Works | Gujranwala |
| 600 | Aslam Foundry | Gujranwala |