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| 553A | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
| 553A | 70408 | AT AND T CORP |
| 553A | 80770 | NEW YORK TELEPHONE CO |
| 666066-957 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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| N553A | 06KW9 | LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP |
| N553A | 14100 | STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO |
| N553A | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
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| T25 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST |