About Us

Leading supplier of steel casting products with over 150 years of experience

Founded by Casto Gamarra y Urrutia in 1870 and with over 150 years of experience, we are a leading supplier of steel casting products for the major global industries, including railway, automotive, defense, commercial vehicles, off-road construction machinery, public works, and lifting. We are headquartered in Vitoria (Spain) and have production facilities in Europe and Asia.

We are your one-stop-shop for casting solutions; covering all the manufacturing process, from design, patterns and casting to machining and welding.

As members of the Spanish and European Steel Associations, we are certified by DB and ISO and take part regularly in industry fairs such as GIFA and InnoTrans. We have received several recognitions for our contribution to technological progress and employment.


Advanced Steel Casting Technology

We manufacture carbon and alloyed steel products using four different casting processes: green sand casting, chemical sand casting and investment casting (lost wax). We can offer a wide range of high precision components with industry-leading tolerances and desirable mechanical properties.  We have capabilities to work with products ranging 10 to 600 kg, with all grades of carbon and alloyed steel. We have both automatic and manual product lines that allow us to adapt better to our clients’ needs.  

Integral Solutions​

Our value proposal is based on highly technological integral solutions. This proposal includes engineering services for design and development of tailor-made products, casting of precision components, finishing operations (including galvanizing, heat-treatment, machining, welding and painting), and logistic services.


We are an agile organization with a strong drive where management entrusts people with a great deal of responsibility at a very early stage. Our experienced team of over 200 professionals is highly qualified to offer the best solutions and services to our clients. Our team is committed, trained to deliver the most proficient results, and widely experienced in the sector. If you trust us with your project, we assure you it is in the best hands.


Through our core values of sustainability, quality and leadership, we operate responsibly with respect to the health, safety and wellbeing of our employees, contractors and the communities in which we operate. For us, steel is the fabric of life, as it is at the heart of the modern world from railways to cars. We are actively researching and producing sustainable steel solutions to allow us to meet our customers’ needs while being respectful and supporting the planet.


In Gamarra we are always looking for new talent with which to grow as a company. Professional, creative and talented people who fit with our philosophy. Here you will find all the vacancies and job offers currently available in Gamarra. We look forward to receiving your application.

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