Foster Wheeler (Steam generation)
Dow Chemical (Heat Transfer Fluid)
Flowserve (control valves)
Flagsol (Engineering, construction and commissioning of solar field and HTF system)
ABB (Instrumentation and control)
Schlaich Begermann und Partner (conceptual design, construction design, site supervision)
IMASA (Pipes and insulation in power block, HTF and BOP)
BValve (valves)
Ingemetal
SMIT (solar field, salts and commissioning works)
Epsilon Tracing (Electrical heat tracing)
Energia Gijon (metal frame related works and products)
Sodes (Steam generation section works)
Grupo Salmeron (Civil works)
Arlita Leca
Rotork (valve control)
Avdel (fastening)
Wika (pressure and temperature measurement)
Reyco (valves related works)
Lointek (htf-molten salts heat exchanger, steam generation)
Schubert & Salzer - BVALVE (Valves)
Comeval (Valves)
Fichtner Solar (Consultancy and/or conceptual design)
Laitu solar (Troughs cleaning and/or pressure testing)
MTS (valves)
Flabeg (Mirrors)
Caldererias Indalicas (Pipes and/or tanks assembling and manufacturing)
Ideas en Metal (Torque Box, HCE supports)
AKO (Electric heat tracing)
CCI (Valves)
GEA (Condenser)
Sulzer (Pumps)
Ensival Moret (Pumps)
Andasol II and I are twin plants although there may be some minimal differences between them.