Zetro Aerospace and Defence Sdn Bhd (ZETRO) is a holding company of many subsidiaries. The most active being Zetro Services Sdn Bhd, a company selected by Malaysian Government to participate in a program called Contractorisation Program. In this program, Government’s assets operated by Royal Malaysian Air Force (RMAF) will be maintained by selected contractors and the maintenance facilities are placed under custodian of the selected contractors.

ZETRO was given the responsibility to provide maintenance on avionics components and Ground Electronics. In the Avionics Contract ZETRO shall be responsible for the servicing and maintenance on all avionics components of all aircraft operated by the RMAF. The Ground Electronics contract which consist of Air Traffic Control (ATC) and Navigational Aids Systems and Air Defence Radar (ADR) Systems operated by the RMAF. In the Ground Electronics Contract, ZETRO was tasked to carry out the maintenance of ATC and ADR systems from First Line onwards for both. Now the Ground Electronics contract is further divided into ATC contract and ADR contract. ZETRO is also responsible to the calibration of all tools and test equipment operated by RMAF.  

The Government was consistent in wanting to achieve the objective of Self Reliance in Defence Industry. As such the Contractorisation Program has now been further enhanced to a new and outcome oriented; Performance Based Contract (PBC). The PBC contract has now been implemented in ATC Contract and ADR contract. Efforts are on the way to implement PBC in the Avionics Contract.