| 781 | Resistivity Meters | Company Product |
| 782 | Resistor | Company Product |
| 783 | Resistor Networks | Company Product |
| 784 | Resistors | Company Product |
| 785 | Resonator Crystals | Company Product |
| 786 | Resonators | Company Product |
| 787 | Resorcinol | Company Product |
| 788 | Resorts | Company Product |
| 789 | Resource Recovery | Company Product |
| 790 | Respirator | Company Product |
| 791 | Respirators | Company Product |
| 792 | Respirators Protections | Company Product |
| 793 | Respiratory Device | Company Product |
| 794 | Respiratory Equipment | Company Product |
| 795 | Respiratory Protect | Company Product |
| 796 | Respiratory Protection | Company Product |
| 797 | Responsive Website Design | Company Product |
| 798 | Responsive Website Development | Company Product |
| 799 | Restaurant | Company Product |
| 800 | Restaurant Equipment & Supplies | Company Product |
| 801 | Restaurant Owners & Operators | Company Product |
| 802 | Restaurants | Company Product |
| 803 | Resting ECG | Company Product |
| 804 | Restore Body Lotion | Company Product |
| 805 | Restore Body Wash | Company Product |
| 806 | Restroom Care | Company Product |
| 807 | Resurface Cylinder Head Process | Company Product |
| 808 | Resuscitators | Company Product |
| 809 | Retail Fixtures | Company Product |
| 810 | Retail Software | Company Product |