PLC may stand for: Business Public limited company, in UK or Ireland, is a type of limited company whose shares may be sold to the public Program length commercial, or infomercial Product life cycle, the succession of stages a product goes through Education Presbyterian Ladies' College, the name of several independent girls' schools in Australia Pymble Ladies' College, an independent girls' school in Sydney, Australia Linguistics Prague linguistic circle, an influential school of linguis… (More on Plc)