| 50002008 | IREX | Intermodal Relay Express, LLC | — |
| 50090713 | IREX | JREX Tech Co., Ltd. | — |
| 97595017 | IREX | Alinter, S.A. | 8413422 |
| 99881255 | IREX | INTERNATIONAL RESEARCH & EXCHANGES BOARD | — |
| 78641183 | IREX | GESTURETEK SYSTEMS INC. | 3210265 |
| 98263888 | IREX | HONGKONG VOLES TECHNOLOGY CO.,LIMITED | 7534500 |
| 97723442 | IREX | IREX Contracting Group LLC | 7376013 |
| 97698222 | IREX | IREX CONTRACTING GROUP LLC | 7319889 |
| 85263643 | IREX | Alinter S.A. | 4192755 |
| 85790475 | IREX | Motorent International GmbH | 4788087 |
| 75414897 | IREX | International Research & Exchanges Board | 2245746 |
| 75142702 | IREX | INTERNATIONAL RESEARCH & EXCHANGES BOARD | 2129964 |
| 75141623 | IREX | INTERNATIONAL RESEARCH & EXCHANGES BOARD | 2128330 |
| 79016734 | IREX | iRex Technologies B.V. | 3211567 |
| 85080134 | IREX | INDUSTRIAL LA FAMA, S.A. DE C.V. | 4014846 |
| 75270397 | IREX | Rex Holdings, Inc. | — |
| 78658380 | IREX | ALINTER, S.A. | — |
| 78658373 | IREX | ALINTER, S.A. | — |
| 85451315 | IREX | Fike Corporation | — |
| 78503396 | IREX | PT. BINTANG TOEDJOE | 3156272 |
| 75332839 | IREX | IREX INTERNATIONAL S.A. | — |
| 75226978 | IREX | Irex, Inc. | 2322077 |
| 74617916 | IREX | BACOU-DALLOZ INVESTMENT, INC | 2105692 |
| 74143683 | IREX | Tech-Logic, Inc. | 1818291 |
| 73442259 | IREX | Johnson & Johnson | 1295938 |
| 73187188 | IREX | REFAC TECHNOLOGY DEVELOPMENT CORPORATION | 1129144 |
| 73113500 | IREX | IREX, JOHN | 1087669 |
| 73074582 | IREX | IREX CORPORATION | 1119162 |
| 72364990 | IREX | IREX CORPORATION | 0910427 |
| 72335731 | IREX | AMERICAN CYANAMID COMPANY | 0895831 |
| 72109710 | IREX | LINGNER-WERKE G.M.B.H. | 0736117 |
| 71040059 | IREX | LINGNER, KARL AUGUST | 0077930 |