| 521 | Suparco Gas Industry | | Gujranwala |
| 522 | Ali Engineering Works | | Okara |
| 523 | Diamond Room Cooler & Geezer | | Lahore |
| 524 | Elmetec (Pvt) Ltd | | Lahore |
| 525 | White Flower Washing Machine | | Gujranwala |
| 526 | Shabeer Cylinder Stove Maker | | Gujranwala |
| 527 | Iqbal Engineering Company | | Lahore |
| 528 | Zohaib Arshad Wire | | Lahore |
| 529 | Indus Electric Ind (Indus Washing Machine) | SIE Gujranwala 1 | Gujranwala |
| 530 | Shalimar Wire Industry | | Gujranwala |
| 531 | Saharan Electrical Industry | | Gujranwala |
| 532 | Khan Electrical Industry (Karam Fans) | | Gujrat |
| 533 | Popular Fan | | Gujrat |
| 534 | Vieco Electric Iron | SIE Taxila | Rawalpindi |
| 535 | Malik Cables | | Lahore |
| 536 | Muna Metal Works | | Gujranwala |
| 537 | Masood Metal Works | | Gujranwala |
| 538 | Khalil Stove Maker | | Gujranwala |
| 539 | Pakistan Super Master | | Jhelum |
| 540 | Riaz Qadeer Metal Works | | Gujranwala |