AEM Holdings Ltd is a Singapore-based investment holding company. The operating segments of the company are: a) Test Cell Solutions (TCS): It provides customised system solutions involving precise high speed motion and to both mass volume manufacturers and new technology development laboratories, b) Instrumentation (INS): It engages in the research, development, and production of communications and industrial test solutions, c) Contract Manufacturing (CM): Operates as Contract manufacturer of Printed Circuit Board Assembly (PCBA), Wire-Harness & Interconnect systems, Box build and Equipment Manufacturing, and d) Others. The majority of revenue is derived from the TCS segment. Geographically, the company operates in Singapore, Malaysia, China, the USA, Vietnam, Finland, and Other countries.