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Our aim is to offer tailored, high-quality solutions to help you achieve your goals.

Over 38 years of experience

CALCOSA (Calderería y Construcción S.L.) specialises in the manufacture of stainless-steel parts for a wide
range of industrial sectors including valves, paper, food, chemical, wind power, nuclear, etc.

Since it was founded in 1985, CALCOSA has grown and expanded steadily. Our current team is made up of
30 highly qualified professionals. Our 3,180-m2 facilities include cranes that can lift up to 20 tonnes.

At CALCOSA we provide a wide range of metalwork services, from manufacturing smaller parts to more
complex structures. We offer different surface finishing options for parts, such as shot blasting with stainless
steel particles, pickling, passivation and polishing.

We work with state-of-the-art equipment and cutting-edge technology to ensure the precision and quality of
our products. As such, we are leaders in the sector, working with some of the biggest names in the industry.

ISO 9001

logo ISO 9001

CALCOSA has been ISO 9001 certified since 2003. We have passed all the corresponding audits, demonstrating our commitment to quality and continuous improvement. This certification backs CALCOSA’s reputation as a trusted, excellence-orientated company.


If you want to find out more about our services, please get in touch by phone or email. We will be delighted to help you and offer a personalised solution.

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