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| 76423454 | ISC | Brunswick Corporation | — |
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| 75422885 | ISC | Leader 1, Inc. | — |
| 75124328 | ISC | International Code Council, Inc. | — |
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| 74685083 | ISC | International Supply Consortium, Inc. | 2033393 |
| 74590552 | ISC | International Supply Consortium, Inc. | 1928062 |
| 74195186 | ISC | PEABODY ENGINEERING CORP. | 1706540 |
| 74167815 | ISC | Itokin Co., Ltd. | 1797330 |
| 73774629 | ISC | INTERNATIONAL SOFTWARE COMPANY | — |
| 73728581 | ISC | INDIANA STAMP CO., INC. | 1567072 |
| 73643441 | ISC | ISC SYSTEMS CORPORATION | 1489679 |
| 73643358 | ISC | ISC SYSTEMS CORPORATION | 1469400 |
| 73643357 | ISC | ISC SYSTEMS CORPORATION | 1466730 |
| 73643353 | ISC | ISC SYSTEMS CORPORATION | 1469005 |
| 73622199 | ISC | INSTANT SAVINGS CHECK PROCESSING CORPORATION, THE | 1469333 |
| 73434495 | ISC | ISC-BUNKER RAMO CORPORATION | 1294028 |
| 73374736 | ISC | INTERNATIONAL SEARCH CONSULTANTS, INC. | 1239725 |
| 73272062 | ISC | International Systems Corp. | 1173013 |
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| 73122526 | ISC | Institute Of Selective Concentration, Ltd. | 1097737 |
| 73110790 | ISC | IMAGING SYSTEMS CORPORATION | 1084423 |
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| 72315413 | ISC | SC INDUSTRIES, INC. | 0914567 |
| 72265306 | ISC | INSTRUMENT SYSTEMS CORPORATION | 0850910 |
| 72218459 | ISC | INFORMATION SUPPLIES CORPORATION | 0815493 |