| 601 | Thermo Plastic Rubber Wheels | Company Product |
| 602 | Thermo Plastic Wheels | Company Product |
| 603 | Thermo Trace Infrared Thermometers | Company Product |
| 604 | Thermo-Anemometers | Company Product |
| 605 | Thermo-Chillers | Company Product |
| 606 | Thermo-Hygrograph | Company Product |
| 607 | Thermochromic Labels | Company Product |
| 608 | Thermochromic Stickers | Company Product |
| 609 | Thermocouple | Company Product |
| 610 | Thermocouple Converters | Company Product |
| 611 | Thermocouple Extension Wires | Company Product |
| 612 | Thermocouple Probes | Company Product |
| 613 | Thermocouple Wires | Company Product |
| 614 | Thermocouple-Handheld | Company Product |
| 615 | Thermocouples | Company Product |
| 616 | Thermographers | Company Product |
| 617 | Thermohygrograph | Company Product |
| 618 | Thermohygrographs | Company Product |
| 619 | Thermohygrometers | Company Product |
| 620 | Thermometers | Company Product |
| 621 | Thermoplastic Elastomer | Company Product |
| 622 | Thermoplastic-Acrylic Solvent-Based Paints | Company Product |
| 623 | Thermoscale Films | Company Product |
| 624 | Thermosensors | Company Product |
| 625 | Thermosetting Resins | Company Product |
| 626 | Thermostat | Company Product |
| 627 | Thermostat Coolant Pipe | Company Product |
| 628 | Thermostat Hose | Company Product |
| 629 | Thermostat Housing | Company Product |
| 630 | Thermostat Sensors | Company Product |