| 080359-019 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 10102-121 | 59474 | JEFFERS ELECTRONICS INC |
| 10102-36 | 59474 | JEFFERS ELECTRONICS INC |
| 101948-18 | 95542 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 111-004-0018 | 95542 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 2130069-3 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST |
| 2130069-3 | 31550 | L3HARRIS TECHNOLOGIES, INC. |
| 3007-2-18 | 15280 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION |
| 3009900127 | 57057 | NAVCOM DEFENSE ELECTRONICS, INC. |
| 4421-9 | 59474 | JEFFERS ELECTRONICS INC |
| 4421-9 | 78429 | CARBON/GRAPHITE GROUP INC THE |
| 694031-019 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
| 694031-019 | 14100 | STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO |
| 7488079P18 | 02989 | GENERAL ELECTRIC CO GE DRIVE SYSTEMS GOVERNMENT BUSINESS OPN |
| 7488079P18 | 33173 | MPD COMPONENTS, INC. |
| 7488079P18 | S0201 | HITACHI SEISKAKUSHO K K |
| DM0151 | 99800 | AMERICAN PRECISION INDUSTRIES INC. |