| 3511 | Scrap Plastic | Company Product |
| 3512 | Scrap Metal Processing Machineries | Company Product |
| 3513 | Scientific Apparatus & Instruments | Company Product |
| 3514 | Scientific Apparatus & Instrument Repair | Company Product |
| 3515 | Scouring Liquid | Company Product |
| 3516 | School Bags | Company Product |
| 3517 | School Bus Transportation | Company Product |
| 3518 | School Supplies | Company Product |
| 3519 | Schools | Company Product |
| 3520 | School Information & Placement Bureaus | Company Product |
| 3521 | Scanners | Company Product |
| 3522 | Scalp Care | Company Product |
| 3523 | Scales | Company Product |
| 3524 | Scales Repair | Company Product |
| 3525 | Scales Rental | Company Product |
| 3526 | Scale Removers | Company Product |
| 3527 | Slitting Saws | Company Product |
| 3528 | Scaffolding Rental & Erection | Company Product |
| 3529 | Swing Saws | Company Product |
| 3530 | Scale Inhibitors | Company Product |
| 3531 | Scroll Saws | Company Product |
| 3532 | Saws | Company Product |
| 3533 | Sawmills | Company Product |
| 3534 | Slitting Sawing Machines | Company Product |
| 3535 | Sawing Machines | Company Product |
| 3536 | Sawblades | Company Product |
| 3537 | Saw Sharpening Equipment | Company Product |
| 3538 | Saw Sharpening & Repair | Company Product |
| 3539 | Sauna Equipment & Supplies | Company Product |
| 3540 | Saw Chain Guide Bars | Company Product |