MARITIME, NAVAL, OFFSHORE & MARINE ENERGY WELDING SPECIALISTS. DEGIMA Naval & Civil engineering at North of Spain WAVE ENERGY DEVICES Since 2006 we have been manufacturing different Power Buoys and Underwater Substation Pod, among other different structures and ancillary products. OFFSHORE WIND DEVICES Other than the wave energy devices, Degima has been manufacturing Offshore Wind Masts and Offshore Weather Masts (floating steel platforms).