| Company | Location |
|---|---|
| Thermo Scientific | Madison, Wisconsin, United States |
| Thermodynamic Sensors | West Chester, Pennsylvania, United States |
| Thin Film Concepts Inc. | Elmsford, New York, United States |
| Thin Film Technology Inc. | Buellton, California, United States |
| ThinkEco, Inc. | New York, New York, United States |
| ThinkSolar | Oakland, California, United States |
| THINKY Corporation | Laguna Hills, California, United States |
| thinXXS GmbH | Zweibruecken, Germany |
| Thomson Derwent | London, United Kingdom |
| Thomson Financial | New York, New York, United States |
