Tags Anco Anco picks up strategic stakes in Vissan Thursday, Mar 24, 2016 The International Agriculture Nutrition Joint Stock Company (Anco) has become a strategic investor of the Viet Nam Meat Industries Company (Vissan). Masan Group acquires Proconco and Anco Monday, Apr 27, 2015 Masan Group (MSN) announced the acquisition of stakes in two companies on April 27.