1950 - P. Manickam - Proprietorship firm
1968 - 1985 - Incorporated as M/s. P. Manickam & Co., partnership firm and executed major works in PWD, CPWD and Corporation of Chennai and Guindy Engineering College, Tamilnadu Housing Bored.
From 1986 - Expanded further by executing pile foundation work, earthwork, bridges, multistoried buildings, fabrication of steel structures for factories. Some major works executed are: