| 1801 | Two Stage Regulators | Company Product |
| 1802 | Two Tone Plating | Company Product |
| 1803 | Two Valve Manifolds | Company Product |
| 1804 | Two Way Combination Ladder | Company Product |
| 1805 | Two Way Radios | Company Product |
| 1806 | Two Way Switches | Company Product |
| 1807 | Two Way Tap | Company Product |
| 1808 | Two Way Valve | Company Product |
| 1809 | Two-Hand Operation Consoles | Company Product |
| 1810 | Two-Stroke Diesel Engines | Company Product |
| 1811 | Two-Way Radio | Company Product |
| 1812 | Two-Way Radio Repeaters | Company Product |
| 1813 | Two-Way Valves | Company Product |
| 1814 | Tygon | Company Product |
| 1815 | Tygon Tubing | Company Product |
| 1816 | Tying Machines | Company Product |
| 1817 | Tying Twines | Company Product |
| 1818 | Type 321 Stainless Steel | Company Product |
| 1819 | Type 612 Sanitary Diaphragm Valve | Company Product |
| 1820 | Type 615 Sanitary Diaphragm Valve | Company Product |
| 1821 | Type 625 Sanitary Diaphragm Valve | Company Product |
| 1822 | Type 643 Sanitary Diaphragm Valve | Company Product |
| 1823 | Type 673 Sanitary Diaphragm Valve | Company Product |
| 1824 | Type 687 Sanitary Diaphragm Valve | Company Product |
| 1825 | Type 695 Sanitary Diaphragm Valve | Company Product |
| 1826 | Type Liquid | Company Product |
| 1827 | Type Positive | Company Product |
| 1828 | Type Thermometers | Company Product |
| 1829 | Type Wheel | Company Product |
| 1830 | Typesetting Services | Company Product |