Tutelar Oil Service Co. (Pvt.) Ltd.
Desh Group of Companies was established in 1974. The group is involved in readymade garments, engineering, trading, logistics and packaging solutions etc. The engineering business, Tutelar Oil Services Company (Pvt) Limited (TOS), represents Buhler AG, Switzerland, which is one of the market leaders for providing solutions of rice, flour, pulse, and feed milling technologies in Bangladesh.