| Thermafiber, Inc. IN | Manufacturing | 0 | — | B |
| Thermal Care Inc. IL | Manufacturing | 0 | — | F |
| Thermal Circuits, Inc. MA | Manufacturing | 0 | — | F |
| THERMAL CONCEPTS, INC. CA | Construction | 0 | — | F |
| Thermal Conductive Bonding, Inc. CA | Manufacturing | 0 | — | A |
| Thermal Corporation AL | Manufacturing | 0 | — | A |
| Thermal Design, Inc. NE | Wholesale Trade | 0 | — | F |
| Thermal Dynamics, Inc. CA | Other Services | 0 | — | A |
| Thermal Electronics, Inc. CA | Manufacturing | 0 | — | A |
| Thermal Energy Corporation TX | Utilities | 0 | — | F |
| Thermal Engineering Corporation SC | Manufacturing | 0 | — | F |
| Thermal Engineering International (USA) Inc. CA | Manufacturing | 1 | $127,712 | — |
| Thermal Engineering LLC UT | Construction | 0 | — | F |
| THERMAL ENVIRONMENTAL SYSTEMS OH | Professional & Technical Services | 1 | $82,347 | — |
| Thermal Equipment Corporation CA | Manufacturing | 0 | — | A |
| THERMAL HYDRA PLASTICS WA | Manufacturing | 0 | — | F |
| Thermal Insulation Control, LLC OH | Construction | 0 | — | A |
| Thermal Insulation, Inc. AL | Construction | 0 | — | B |
| Thermal Mechanical CA | Construction | 0 | — | F |
| Thermal Modification Technologies, Inc. OR | Manufacturing | 0 | — | A |
| Thermal Process Holdings OH | Manufacturing | 0 | — | F |
| Thermal Product Solutions LLC PA | Manufacturing | 0 | — | F |
| Thermal Service, LLC KY | Construction | 0 | — | F |
| Thermal Services, Inc. NE | Construction | 0 | — | F |
| THERMAL SOLUTIONS LLC LA | Construction | 0 | — | A |
| Thermal Solutions, Inc OH | Construction | 0 | — | A |
| Thermal Spray Solutions, Inc. VA | Manufacturing | 0 | — | F |
| Thermal Structures Inc IN | Manufacturing | 0 | — | B |
| Thermal Structures, Inc. CA | Manufacturing | 0 | — | F |
| Thermal Supply Inc. ID | Wholesale Trade | 0 | — | A |
| Thermal Supply Inc. OR | Wholesale Trade | 0 | — | A |
| Thermal Supply Inc. WA | Wholesale Trade | 0 | — | B |
| Thermal Tech, Inc FL | Construction | 0 | — | F |
| Thermal transfer Products WI | Manufacturing | 0 | — | F |
| Thermal Windows and Doors PA | — | 0 | — | — |
| Thermal-Cool, Inc. CA | Construction | 0 | — | F |
| Thermal-Tec MI | Construction | 0 | — | A |
| Thermalex, Inc. AL | Manufacturing | 0 | — | F |
| THERMALITO WATER AND SEWER DISTRICT CA | Construction | 0 | — | F |
| Thermall Heating & Cooling, Inc. WA | Construction | 0 | — | F |
| Thermalogic Corporation MA | Manufacturing | 0 | — | A |
| Thermaltech LLC PA | Wholesale Trade | 0 | — | A |
| Thermaltech, Inc MO | Construction | 0 | — | F |
| Therman's Bike and Sport NE | — | 0 | — | — |
| Thermasol CA | — | 0 | — | — |
| Thermatron Engineering MA | Manufacturing | 0 | — | A |
| ThermAvant Technologies MO | Manufacturing | 0 | — | C |
| Thermco NJ | Wholesale Trade | 0 | — | A |
| Thermex-Thermatron Systems KY | Manufacturing | 0 | — | F |
| ThermFlo, Inc. IL | Wholesale Trade | 0 | — | D |