Mr. Shankar Srinivasan, a mechanical engineer from Regional Engineering College, Warangal {now National Institute of Technology (NIT)} & postgraduate (M.Tech) from IIT -Madras. After gaining a few years of industrial experience, has established “Precision Controls” (brand name “PRECONS”) a family-owned partnership firm for the manufacture of small industrial furnaces & industrial ovens at SIDCO Industrial Estate, Ambattur, Chennai-600 098 in 1973 (43 years ago).
By proper financial management, Mr Shankar has established the following companies ( till 2022)

• Chemical Cleaning (Acid Pickling), Phosphating Lube coating
• Spherodised & Soft Annealing for various grades of Wire Rods & Bars
• Wire Drawing facility

Due to huge market demand, the entire operation of Mirra and Mirra Industries was shifted to Vichur Industrial estate,Manali,Chennai from Ambattur Industrial estate in 2006 and an augmented infrastructure was set up.

Due to sustained profitability, good name and reputation enjoyed in the industrial market, Toyota Tsusho Corporation(Japan) along with another Japanese company named Suzutoyo Seiko Co.Ltd have subsequently come forward for a 100% FDI.