Maintenance of Military and Commercial aircrafts Since 2005, the company has been deeply involved in maintenance of military and commercial aircrafts, specifically in electrical and electronic systems. The leading projects concern outsourcing activities for the Israeli Air Force, both involving fighter aircraft and transport/commercial aircraft. The maintenance include all 3 echelons – from Organizational (or field) level, through Intermediate level and laboratories, and up to Depot level. This activity is performed in conjunction with Kanfei Maintenance ltd, a subsidiary of Knafaim Holdings ltd.