| 521 | Muhammad Arslan Engineering Works | | Gujranwala |
| 522 | Ali Suleman Foundry | | Faisalabad |
| 523 | Rahman Foundry | | Faisalabad |
| 524 | Azeem Engineering Works | | Faisalabad |
| 525 | M.Z.Pump Work | | Faisalabad |
| 526 | Hamza Engineering Works | | Faisalabad |
| 527 | Safder Engineering Works | | Faisalabad |
| 528 | Salman Sanitary Fitting | | Gujranwala |
| 529 | Ghazi Trali Makers | | Mandi Bahauddin |
| 530 | M. Anayat Engenering Works | | Mandi Bahauddin |
| 531 | New Aslam Engineering Works | | Okara |
| 532 | Sahiwal Foundry | | Okara |
| 533 | M Hafeez Welding Works | | Lodhran |
| 534 | Abdul Wahid Turner Shop | | Gujranwala |
| 535 | Excel Engineering Pvt Ltd | | Sheikhupura |
| 536 | Maverick Engineering Works | SIE Kot Lakhpat | Lahore |
| 537 | Abdul Hafeez Industry | | Gujranwala |
| 538 | Asif Auto Spare Parts Factory | | Gujranwala |
| 539 | Hydro Tech Water Services | | Faisalabad |
| 540 | Gujranwala Eng: Works | | Gujranwala |