Entrerrios Automation has been making work in major companies in various sectors of national and international scope. The work has been divided in companies varied sectors such as:

AUTOMOTIVE INDUSTRY
Opel España, General Motors, Grupo Volkswagen, Seat, 
Johnson Controls, Delphi (Lear Corporation), Bosal, 
Keiper Iberica, Leciñena, Irmscher, Taylor Metal, 
M.B. Aragón, Leciñena, Proma.
TEXTILE INDUSTRY
Grupo Inditex ( Zara, Bershka, Stradivarius, Massimo Dutti, Pull and Bear, Tempe, etc...)
METALLURGICAL INDUSTRY
Inalsa, Casting Ros, Industrias Hidráulicas, 
Fundiciones Miguel Ros.
GLASS INDUSTRY
Vicasa (Saint - Gobain Vicasa S.A.).
CHEMICAL INDUSTRY
FMC Foret, Perorsa, Carburo del Cinca.
PAPER INDUSTRY
Saica, Kimberly Clark, Torraspapel (Montañanesa). 
MACHINERY MANUFACTURER
CAF, Vizdürr S.A, Eclipse Combustion, Indu-Equip, 
EMMSA, Nervión, IRM, Industrias Hidráulicas, Siemens, 
Schneider Electric.
IMANUFACTURER INDUSTRY
Lackey (Teka), BSH (Balay)
PUMPING STATIONS
Torres de Segre, Las Garrigues.
PHOTOVOLTAICAL INSTALLATIONS
DEERS Green Power Development.
CONSTRUCTION
Mariano Lopez Navarro, Constructora San Jose, GTM, Inobare, Construcciones Ayud, DHO, Axima Suez, 
TRAGSA.
RURAL AREAS DEVELOPMENT
TRAGSA.