Constantino Gutiérrez S.A., the parent company of the Medifer Group, is an Alicante-based company founded in 1972 that specialises in the manufacture and distribution of fertilisers and biostimulants for the agricultural sector. Founded and managed by two entrepreneurial families – the Barrera and Gutiérrez families – the company has established itself as one of the leading firms in the fertiliser sector at a national level. Over more than five decades, the group has maintained a constant commi…