| 74415969 | GTI | Groundwater Technology, Inc. | 1888832 |
| 74384266 | GTI | AT & T CORP. | 1955514 |
| 74384128 | GTI | AT&T CORP. | 1955513 |
| 74228072 | GTI | WHITE CONSOLIDATED INDUSTRIES, INC. | 1711212 |
| 74090546 | GTI | GLASS TECHNOLOGY INTERNATIONAL, INC. | 1675663 |
| 74090427 | GTI | GLASS TECHNOLOGY INTERNATIONAL, INC. | 1691117 |
| 74024804 | GTI | Grasant Manufacturing Co., Inc. | 1642016 |
| 73769061 | GTI | GLOBAL-TRON, INC. | 1588581 |
| 73721141 | GTI | GENTECH INTERNATIONAL LIMITED | 1547136 |
| 73547268 | GTI | GENTECH INTERNATIONAL LIMITED | — |
| 73442237 | GTI | GENISIS TECHNOLOGY, INC. | — |
| 73431124 | GTI | GRAPHIC TECHNOLOGY, INC. | 1356533 |
| 73305694 | GTI | GTI Corporation | 1207045 |
| 73305693 | GTI | GTI Corporation | 1206972 |
| 73113573 | GTI | SOCIETE ANONYME AUTOMOBILES CITROEN | 1106032 |
| 72322434 | GTI | GENERAL TESTING & INSPECTION AGENCY, INC. | 0910237 |
| 72208919 | GTI | GLASS-TITE INDUSTRIES, INC. | 0802976 |
| 72150050 | GTI | GUIDANCE TECHNOLOGY, INC. | 0750518 |
| 72127340 | GTI | GLENTRONICS, INC. | 0735944 |