| 504225 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 504225 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION |
| 504225-101 | 05584 | AUTODYNE MANUFACTURING CO INC |
| 504225-101 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 504225-101 | 0DR48 | ALEKTRONICS INC |
| 504225-101 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION |
| 504225-101 | 59475 | REX SYSTEMS INCORPORATED |