Company

Your reliable supplier of steel tubes and bars

Proveedora de Tubos Occidental, S.L. supplies BARS, TUBES, PROFILES & ACCESSORIES in a wide range of designs and qualities for multiple purposes.

Thanks to a stock of more than 12,000 tons together with offices and warehouses measuring more than 25,000 square metres in Álava, Madrid and Tarragona, we can serve both day-to-day stock orders and large-scale projects quickly and reliably.


After more than 24 years of experience in storage, logistics, in-house processing and sector specific requirements, PROTUBSA has a loyal and growing customer base. As part of the business owned and managed by the BIANCO GROUP, which owns more than 20 companies throughout Europe and North America, “PROTUBSA” has direct access to more than 350,000 tons of the group’s stock.


The BIANCO GROUP network provides us with the synergy of the GROUP’s purchasing strategy, which ensures that we acquire the highest quality materials at competitive prices and allows us to offer them to our customers.

Certified Quality

Our goal is to uphold our commitment to quality in all aspects of our daily activities to ensure the satisfaction of our customers and suppliers. We provide all the material and human resources to guarantee the permanent improvement of our services and products..

Bianco Group.

The BIANCO GROUP comprises more than 20 steel companies dedicated to distribution, processing and marketing. It employs more than 800 people to cater for Europe, the Middle East, USA, and Canada.

It serves more than 80,000 customers worldwide. Our founding principles remain unchanged throughout the group; investment in stocks, speed of supply, efficiency and reliability of service.


The BIANCO GROUP was incorporated in 1958 with the establishment of F.G. Bianco in Milan and then in Brescia, from where today, under the name of Tubindustria, we continue to distribute steel tubes.


In the late 1960s and early 1970s, SICAM in Italy, STAD in France, and Cleveland Steel and Tubes in the UK were established, creating the foundations for the construction of our current international distribution network. In the 1980s and 1990s, they expanded rapidly in Europe and North America, creating a pattern of growth that persists to this day.