Depósito de Los Marines is a water tank and filtration firm based in Viñuela, in Málaga province. Its Google Business Profile lists it as “Water utility company”.
It has a Google rating of 5.0 from 1 review. That is too few reviews to say much yet, so ask for references.
If you want comparison quotes, the nearest other water tank and filtration firms are Depósitos de Agua y Bombas de Presión Domesticas Anti Cortes de Agua in Vélez-Málaga (15 km), Poliester Kiko in Vélez-Málaga (16 km), Depositos Hidralia in Rincón de la Victoria (19 km). Getting two or three quotes is normal for this kind of work.