Adolfo Jesus Fernandez Valmayor Ruiz de

Quirón Prevención SL is a private company based in Madrid, Spain. and has subsidiaries in Portugal. The Spanish company specializes in the prevention of occupational hazards and is a national and international reference in health and safety services. The company's services include laborales and services related to security and health.

Radioterapia de Protones SL provides medical and health care services. The company is based in Madrid, Spain. Juan Carlos Gonzalez Acebes has been the CEO of the Spanish company since 2017.

Premap Seguridad y Salud SL provides occupation health and safety management services. Its services portfolio includes occupational diseases, accidents, risks, and information campaigns on health and risk prevention, industrial hygiene, and health services. The company was founded on July 1, 2006 and is headquartered in Las Rozas, Spain.

Plénido SA is a holding company engaged in the provision of dental care services. It owns and operates a network of clinics which specialize in periodontics, orthodontics, oral surgery, and the treatment of temporomandibular joint conditions, as well as cosmetic restoration and regular preventive maintenance. It also offers postgraduate diploma courses, seminars, and workshops conducted by doctors and professors. The company was founded by Carlos Aparicio Magallon on July 27, 1998 and is headquartered in Madrid, Spain.

Desarrollos Empresariales Piera SL is a retailing company. It is engaged in the wholesale trade, retail, import, export and manufacture of gift items. The company was founded on November 11, 2010 and is headquartered in Madrid, Spain.

Helios Healthcare SLU engages in the establishment, management, and operation of hospitals. The firm specializes in the acquisition, possession, and administration of health-related companies and services. The company was founded on December 7, 2016 and is headquartered in Madrid, Spain.