Allied with the society in its future
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CIVIL ENGINEERING
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CONSTRUCTION
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RENEWABLES
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CONSERVATION
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CONCESSIONS
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CUSTOMERS
Last news
Published a new edition of our magazine Dovela
February 2020
Published the new COLLOSA's Laboratory brochure
February 2020
The COLLOSA R&D&I Department turns 20
January 2020
Corporación Llorente
Valladolid - Málaga - Doha
