Standard Industries Limited (SIL), earlier known as Standard Mills Company Limited, was incorporated in 1892. Stranrose group took over the management control of this company in 1979 under the leadership of the R.N Mafatlal. The company's registered office is located at Plot No. 4, TTC Industrial Area, Thane Belapur Road, PO Ghansoli, Navi Mumbai,Mumbai 400701
The company’s is into the business of textiles apparels and chemicals. The textile and apparel division is engaged in manufacturing cotton, polyester, yarn and other fabrics and mens and womens readymade garment clothing. The company’s textile division manufactures and markets caustic soda and potash, chlorine, hydrochloric acid, potassium carbonate, ethyle chloride and other chemicals. It also has garment manufacturing plants at Nadiad and Kutch in Gujarat. The company’s plants are located at Mumbai, Thane.