| 2N639A | 73030 | HAMILTON SUNDSTRAND CORPORATION |
| 2N639B | 04713 | FREESCALE SEMICONDUCTOR, INC. |
| 2N639B | 06743 | GOULD INC FOIL DIV |
| 2N639B | 07256 | SILICON TRANSISTOR CORP SUB OF BBF INC |
| 2N639B | 11058 | CSR INDUSTRIES INC |
| 2N639B | 12045 | ELECTRONIC TRANSISTORS CORP |
| 2N639B | 14909 | ALPINE INDUSTRIES INC |
| 2N639B | 80131 | ELECTRONIC INDUSTRIES ASSOCIATION |
| RELEASE2210 | 80131 | ELECTRONIC INDUSTRIES ASSOCIATION |