
Xsis Electronics is a leading supplier of Advance Design Rad-Hard Hybrid Crystal Oscillators for space applications. The following is a list of some of the space programs where Xsis oscillators have been used in flight hardware
| Program Name | Description |
| Spacebuss 3000B | Alcatel Telecommunication Satellite Program |
| Amos 3 | Israel Telecommunication Satellite |
| Cryosat | ESA Earth Observation Satellite |
| HTV | Japanese Space Vehicle to Space Station |
| TerraSar-X | German Earth Observation Satellite |
| Tandem-X | Second TerraSar-X |
| SMOS | ESA Earth Observation Satellite |
| Rapid Eye | ESA Earth Observation Satellite |
| Lisa Pathfinder | ESA/NASA Earth Observation Satellite |
| ISSR Mass Memory | Japanese Project |
| Express AM33, AM44 | Russian Telecommunication Satellite |