MKS INSTRUMENTS, INC.UEN S98FC5476D Copy ?Singapore's unique identifier for an entity in the public record. Learn more Status: InactiveSingapore Company details Company type?The legal or entity type recorded by the relevant source. Learn more Foreign Company Branch Registration date23 Jan 1998 SSIC code?Singapore's classification code for a company's principal business activity. Learn more 26513 Secondary SSIC28273 Data sources Company records