| 66B4-25 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
| R66B1-25 | 77554 | RELIANCE COMM/TEC CORP RELIABLE ELECTRIC DIV UTILITY PRODUCTS |
| SE-66B4-25 | 04727 | SUTTLE APPARATUS DIV SUTTLE CORP |
| S-550489 | 04773 | GTE COMMUNICATION SYSTEMS CORP |
| S-66B4-25 | 07890 | SIEMON COMPANY THE |
| R66B4-25 | 77554 | RELIANCE COMM/TEC CORP RELIABLE ELECTRIC DIV UTILITY PRODUCTS |