| 1801 | Two-Way Radio Repeaters | Company Product |
| 1802 | Two-Way Valves | Company Product |
| 1803 | Tygon | Company Product |
| 1804 | Tygon Tubing | Company Product |
| 1805 | Tying Machines | Company Product |
| 1806 | Tying Twines | Company Product |
| 1807 | Type 321 Stainless Steel | Company Product |
| 1808 | Type 612 Sanitary Diaphragm Valve | Company Product |
| 1809 | Type 615 Sanitary Diaphragm Valve | Company Product |
| 1810 | Type 625 Sanitary Diaphragm Valve | Company Product |
| 1811 | Type 643 Sanitary Diaphragm Valve | Company Product |
| 1812 | Type 673 Sanitary Diaphragm Valve | Company Product |
| 1813 | Type 687 Sanitary Diaphragm Valve | Company Product |
| 1814 | Type 695 Sanitary Diaphragm Valve | Company Product |
| 1815 | Type Liquid | Company Product |
| 1816 | Type Positive | Company Product |
| 1817 | Type Thermometers | Company Product |
| 1818 | Type Wheel | Company Product |
| 1819 | Typesetting Services | Company Product |
| 1820 | Typewriter Repair | Company Product |
| 1821 | Typewriters | Company Product |
| 1822 | Typewriting Paper | Company Product |
| 1823 | Typewriting Services | Company Product |
| 1824 | Typist Tables | Company Product |
| 1825 | Tyre Bearing & Shaft | Company Product |
| 1826 | Tyre Changers | Company Product |
| 1827 | Tyre Clamp | Company Product |
| 1828 | Tyre Collection | Company Product |
| 1829 | Tyre Cover | Company Product |
| 1830 | Tyre Cutter | Company Product |