C.I. ALMASEG S.A. is a company dedicated to wholesale of ferrous and non-ferrous materials present in Medellin. It was founded in 1972 under the name MATERIALES DE SEGUNDA warehouse for buying and selling materials. In 2002, due to the stage of growth of new industrial enterprises in the city of Medellin and the promotion of recycling culture transformation was performed to CI ALMASEG S.A.

Currently it has a storage capacity of 10,000 tons of material for each of their headquarters.

In each of the locations activities of separation and transformation of ferrous materials are made.