In Singapore, most of the companies are within the MRO category. The MRO category can be further divided into four other sectors which are:

• Avionics
• Aircraft maintenance
• Component repair and overhaul
• Engine repair and overhaul

Ngee Ann Polytechnic, with the endorsement of EDB, was the pioneer in offering four aerospace courses since 2003.

• Diploma in Aerospace Technology (AT)
• Diploma in Aerospace Electronics (AE)
• Diploma in Electronic & Computer Engineering (AE option)
• Diploma in Technology (Aerospace)

These comprehensive suites of aerospace diplomas, both full-time and part-time, designed to meet the growing demand for skilled professionals who can effectively support the manufacturing, design, process development and maintenance functions of Singapore's aerospace industry.