Why choose Apuko?
Commitment, quality, and experience
Experience
We have over 60 years of experience offering services such as plate work, welding, and machining. We carry out all these works with different metals, specializing in carbon steel and stainless steel. Our services include cutting, painting, and warehousing.
Professionalism
Specialist staff with the relevant certifications, working in compliance with established quality standards.
Quality
Certified under ISO 9001and approved under ISO 3834. Quality is paramount for us. As part of our commitment to continuous improvement, we are in the final stages of obtaining our ISO 3834 welding certification in all its variants.
Commitment
Quality, value, and on-time delivery — that is our promise. We build lasting customer relationships through trust, continuous improvement, and commitment to international growth.
Facilities
We have a 6,000 m² facility, including a 1,500 m² plate work and welding area, a 900 m² machining area, and a 1,500 m² loading and unloading area.
Transport
Apuko is strategically located, just 5 minutes from the port and the motorway, and 10 minutes from the airport, so we can ensure highly efficient goods transport.
Our Company
Calderería y Montajes APUKO
Our company was founded in 1964 as a worker cooperative, specializing in the manufacturing and assembly of light, medium, and semi-heavy plate work, combined with machining.
Our premises are located in Trapagaran, Greater Bilbao (Biscay), specifically in the Barrio Salcedillo.
Our Services
Comprehensive solutions for industry

Plate work
Fabrication of light, medium, and semi-heavy plate work.

Welding
Certified TIG, MIG/MAG, and MMA processes.

Machining
High-capacity CNC milling, turning, and machining.

Painting
Internal and external finishing services.

Warehousing
Extensive logistics and storage capacity.

Maintenance
Industrial maintenance and repair services.
General Facilities
Premises
Plate Work Unit
Machining Unit
Loading and Unloading Area
Our 6,000 m2 premises includes a platework and welding unit (1,500 m2), a machining unit (900 m2), and a loading and unloading area (1,500 m2).
We have a 10-tonne overhead crane with a 10-m hook height for loading and unloading operations.

