| Relationships | Role | Relationship Start | Relationship End |
| Elron Electronic Industries Ltd. | Parent | 3/31/1983 | 12/30/1991 |
| Elron Electronic Industries Ltd. | Parent | 12/31/1980 | 3/30/1983 |
| Elbit Systems Inc. | Subsidary | 12/31/1980 | 12/30/1991 |
| Inframetrics, Inc. | Subsidary | 12/31/1987 | 12/30/1991 |
| Elbit Commercial System (1990) Ltd. | Subsidary | 1/1/1990 | 12/30/1991 |
| Inframetrics, Inc. | Subsidary | 1/1/1984 | 12/30/1987 |
| M.V. Inc. | Subsidary | 1/17/1984 | 12/30/1984 |