| 1741 | Slitting | Company Product |
| 1742 | Slitting Machines | Company Product |
| 1743 | Slitting Sawing Machines | Company Product |
| 1744 | Slitting Saws | Company Product |
| 1745 | Slitting Shearing Machines | Company Product |
| 1746 | Slope Rehabilitation | Company Product |
| 1747 | Slope Repair | Company Product |
| 1748 | Slope Stability | Company Product |
| 1749 | Slopes | Company Product |
| 1750 | Sloping Panel Socket | Company Product |
| 1751 | Slot Cage | Company Product |
| 1752 | Slot Nut | Company Product |
| 1753 | Slot Type Lifting Cage | Company Product |
| 1754 | Slotted Angle Shelvings | Company Product |
| 1755 | Slotted Trays | Company Product |
| 1756 | Slotting Cage | Company Product |
| 1757 | Slotting Machine Tools | Company Product |
| 1758 | Slotting Machines | Company Product |
| 1759 | Slow Start Valves | Company Product |
| 1760 | Sludge | Company Product |
| 1761 | Sludge & Slush Pumps | Company Product |
| 1762 | Sludge Blanket Measurements | Company Product |
| 1763 | Sludge Cinditional | Company Product |
| 1764 | Sludge Cleaning Chemicals | Company Product |
| 1765 | Sludge Conditional Chemical | Company Product |
| 1766 | Sludge Conditional Chemicals | Company Product |
| 1767 | Sludge Dispersant | Company Product |
| 1768 | Sludge Pump | Company Product |
| 1769 | Sludge Removal | Company Product |
| 1770 | Sludge Removal Chemical | Company Product |