| 3751 | Synchronous Belting | Company Product |
| 3752 | Synchronous Electric Motors | Company Product |
| 3753 | Synchronous Machine | Company Product |
| 3754 | Synchronous Motors | Company Product |
| 3755 | Synchroscopes | Company Product |
| 3756 | Syncro | Company Product |
| 3757 | Synthesizers | Company Product |
| 3758 | Synthethic Oil | Company Product |
| 3759 | Synthetic Blend Diesel Engine Oil | Company Product |
| 3760 | Synthetic Blend Motor Oil | Company Product |
| 3761 | Synthetic Blended Motorcycle 4-Stroke Engine Oil | Company Product |
| 3762 | Synthetic Coolant | Company Product |
| 3763 | Synthetic Leather Chairs | Company Product |
| 3764 | Synthetic Leather Sofa | Company Product |
| 3765 | Synthetic Marble | Company Product |
| 3766 | Synthetic Oil | Company Product |
| 3767 | Synthetic Oils | Company Product |
| 3768 | Synthetic Ropes | Company Product |
| 3769 | Synthetic Rubber | Company Product |
| 3770 | Synthetic Rubber Packaging | Company Product |
| 3771 | Synthetic Rubber Packing | Company Product |
| 3772 | Synthetic Running Tracks | Company Product |
| 3773 | Synthetic Sporting Surfaces | Company Product |
| 3774 | Synthetic Transmission Oil | Company Product |
| 3775 | Synthetic Wax | Company Product |
| 3776 | Syphon | Company Product |
| 3777 | Syphons | Company Product |
| 3778 | Syringes | Company Product |
| 3779 | Syrup Manufacturers | Company Product |
| 3780 | System | Company Product |