Haizea Wind Group is an international industrial group based in Bilbao and specialised in the manufacturing of wind towers, offshore foundations and casting components. The company counts with leading turbine OEMs as clients, including Vestas, Siemens Gamesa, Nordex Acciona and General Electric.

The company operates through five production plants worldwide; (i) Haizea Wind (Bilbao), dedicated to the production of offshore towers and subsea structures, (ii) Tecnoaranda (Burgos) specialised in the production of onshore towers, (iii) Haizea Sica, focused on the production of onshore towers (Argentina) and (iv) WEC (Alava and Guipúzcoa), dedicated to the production of casting components and subsequent surface treatment and machining for the onshore and offshore renewable wind industry.