| 4501 | SEW 273HP Non-Contact Voltage Detector | |
| 4502 | SEW 890PR Non-Contact Type Phase Sequence Indicator | |
| 4503 | SEW 1107 IM Audio Impedance Tester | |
| 4504 | Submersible Centrifugal Impeller Pump Repair and Overhaul | |
| 4505 | Split Casing Centrifugal Impeller Pumps Repair and Overhaul | |
| 4506 | Siemens SIRIUS Soft Starter | |
| 4507 | Soil Compacters | |
| 4508 | Site Dumpers | |
| 4509 | Silent Portable Generators | |
| 4510 | Stamping Forging and Power Mold Materials | |
| 4511 | Semi-Con Delicate Mold Components Materials | |
| 4512 | Single Point Dressers | |
| 4513 | Saginomiya Temperature Controls | |
| 4514 | Saginomiya Pressure Controls | |
| 4515 | STAL Compressors & Spare Parts | |
| 4516 | Sabroe Compressor and Spare Parts | |
| 4517 | Scale RF Flushing Chemical | |
| 4518 | Sludge Conditional Chemicals SC 46 | |
| 4519 | Shopfront V-cutting Metal Design | |
| 4520 | Solcon iStart Digital Soft Starter with Internal Bypass | |
| 4521 | Squid Ink Co Pilot 2.1' Carton Printers | |
| 4522 | Squid Ink Co Pilot 18mm Carton Printers | |
| 4523 | Squid Ink SQ 2 Carton Printers | |
| 4524 | Squid Ink Auto Pilot High-Resolution Printers | |
| 4525 | SKA-214 Lubricating Pump (Manual Type) | |
| 4526 | SK-505BM Lubricating Pump (Motor Driven Type) | |
| 4527 | SubTerranean Termite Pest Control | |
| 4528 | Stationery | |
| 4529 | Stainless Steel Waste Bins | |
| 4530 | Squid Ink Industrial Printing Systems | |