Prefabricados Castelo is a group of companies dedicated to prefabricated structures and belonging to the group of
companies PÉREZ LEIRÓS that began its activity in 1958 .

 The PÉREZ LEIRÓS group, in addition to the mentioned company, is also made up of the kitchen furniture company Xoane and establishments Pérez Leirós (10 sales establishments dedicated to construction material, hardware, home furnishings, appliances, gifts, etc).

Prefabricados Castelo is made up by 725 persons, of which 54 are engineers.

 Within the group there are companies dedicated to giving support to companies, the manufacturing of concrete and steel structures, to the erection and construction on-site, in addition to technical support and manufacturing for other pre-fabricators.