| Founded:1987 | Employees:10K - 50K | Headquarters Location:Madrid, ES |
| Founded:1941 | Employees:10K - 50K | Headquarters Location:Seville, ES |
| Founded:1999 | Employees:10000+ | Headquarters Location:Madrid, ES |
| Founded:2019 | Employees:10000+ | Headquarters Location:Madrid, ES |
| Founded:1960 | Employees:10000+ | Headquarters Location:Madrid, ES |
| | Employees:5000-10000 | Headquarters Location:Madrid, ES |
| Founded:1966 | Employees:1000-5000 | Headquarters Location:San Sebastian de los Reyes, ES |
| | Employees:1000-5000 | Headquarters Location:Madrid, ES |
| Founded:1858 | Employees:1000-5000 | Headquarters Location:Gijón, ES |
| Founded:1986 | Employees:1000-5000 | Headquarters Location:Tres Cantos, ES |
| Founded:1971 | Employees:1000-5000 | Headquarters Location:Santa Oliva, ES |
| Founded:2000 | Employees:1000-5000 | Headquarters Location:Madrid, ES |
| Founded:2006 | Employees:1000-5000 | Headquarters Location:Madrid, ES |
| | Employees:1000-5000 | Headquarters Location:Madrid, ES |
| Founded:1957 | Employees:1000-5000 | Headquarters Location:Madrid, ES |
| Founded:2000 | Employees:500-1000 | Headquarters Location:Majadahonda, ES |
| Founded:1995 | Employees:1000-5000 | Headquarters Location:PATERNA, ES |
| Founded:2010 | Employees:1000-5000 | Headquarters Location:Bilbao, ES |
| Founded:1979 | Employees:250 - 500 | Headquarters Location:Sant Cugat del Valles, ES |
| Founded:2004 | Employees:200-500 | Headquarters Location:Madrid, ES |
| Founded:1998 | Employees:200-500 | Headquarters Location:Madrid, ES |
| Founded:1990 | Employees:200-500 | Headquarters Location:Santander, ES |
| Founded:2018 | Employees:200-500 | Headquarters Location:Madrid, ES |
| Founded:1999 | Employees:200-500 | Headquarters Location:Azuqueca de Henares, ES |
| Founded:1982 | Employees:200-500 | Headquarters Location:Spain, ES |
| Founded:2000 | Employees:100 - 250 | Headquarters Location:el Campello / Alicante, ES |
| Founded:2001 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2013 | Employees:100-200 | Headquarters Location:Alicante, ES |
| Founded:2000 | Employees:25 - 100 | Headquarters Location:Barcelona, ES |
| Founded:1987 | Employees:100-200 | Headquarters Location:Barcelona, ES |
| Founded:2012 | Employees:100-200 | Headquarters Location:Alicante, ES |
| Founded:2006 | Employees:100-200 | Headquarters Location:Barcelona, ES |
| Founded:2006 | Employees:200-500 | Headquarters Location:Barcelona, ES |
| | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:1988 | Employees:100-200 | Headquarters Location:El Prat de Llobregat, ES |
| Founded:2007 | Employees:100-200 | Headquarters Location:Alcobendas, ES |
| Founded:2005 | Employees:100-200 | Headquarters Location:Palma de Mallorca, ES |
| Founded:1984 | Employees:100-200 | Headquarters Location:Lleida, ES |
| Founded:1998 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2017 | Employees:100-200 | Headquarters Location:Barcelona, ES |
| Founded:2003 | Employees:100-200 | Headquarters Location:A Coruña, ES |
| Founded:2013 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2006 | Employees:100-200 | Headquarters Location:Las Rozas de Madrid, ES |
| Founded:2012 | Employees:100-200 | Headquarters Location:Majadahonda, ES |
| Founded:2017 | Employees:100-200 | Headquarters Location:Malaga, ES |
| Founded:2012 | Employees:100-200 | Headquarters Location:Alcobendas, ES |
| Founded:1996 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2002 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:1984 | Employees:100-200 | Headquarters Location:Pozuelo de Alarcón, ES |
| Founded:2009 | Employees:100-200 | Headquarters Location:Palma, ES |
| Founded:2020 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2016 | Employees:100-200 | Headquarters Location:Zurich, CH |
| Founded:2006 | Employees:10-50 | Headquarters Location:Madrid, ES |
| Founded:2015 | Employees:10-50 | Headquarters Location:Valencia, ES |
| Founded:1997 | Employees:10-50 | Headquarters Location:Alcalá de Henares, ES |
| Founded:2013 | Employees:25 - 100 | Headquarters Location:Villamayor, ES |
| Founded:1981 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2003 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2016 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:1989 | Employees:10-50 | Headquarters Location:Madrid, ES |
| Founded:2017 | Employees:10-50 | Headquarters Location:Madrid, ES |
| Founded:2016 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2011 | Employees:10-50 | Headquarters Location:Cadiz, ES |
| Founded:2017 | Employees:10-50 | Headquarters Location:Surat, ES |
| Founded:2010 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| | Employees:10-50 | Headquarters Location:ES |
| | Employees:10-50 | Headquarters Location:Madrid, ES |
| Founded:2018 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2020 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2021 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2023 | Employees:10-50 | Headquarters Location:Barcelona, ES |
| Founded:2007 | Employees:1-10 | Headquarters Location:Espinardo - Murcia, ES |
| Founded:2016 | Employees:1-10 | Headquarters Location:Barcelona, ES |
| Founded:2019 | Employees:1-10 | Headquarters Location:Albacete, ES |
| Founded:2010 | Employees:1-10 | Headquarters Location:Santa Cruz de Tenerife, ES |
| Founded:1994 | Employees:1-10 | Headquarters Location:Terrassa, ES |
| | Employees:1-10 | Headquarters Location:Motril, ES |
| Founded:2018 | Employees:1-10 | Headquarters Location:Marbella, ES |
| | Employees:1-10 | Headquarters Location:ES |
| Founded:2012 | Employees:1 - 25 | Headquarters Location:Madrid, ES |
| | Employees:1-10 | Headquarters Location:REUS, ES |
| Founded:2020 | Employees:1-10 | Headquarters Location:Valencia (Spain), ES |
| Founded:2006 | Employees:1-10 | Headquarters Location:Barcelona, ES |
| Founded:2018 | Employees:1-10 | Headquarters Location:Barcelona, ES |
| Founded:2016 | Employees:1-10 | Headquarters Location:L'Alfas del Pi, ES |
| Founded:2011 | Employees:1-10 | Headquarters Location:Boadilla del Monte, ES |
| Founded:1994 | Employees:10-50 | Headquarters Location:Madrid, ES |
| | | Headquarters Location:Madrid, ES |
| | | Headquarters Location:ES |
| | | Headquarters Location:Madrid, ES |
| Founded:1996 | | Headquarters Location:Madrid, ES |
| Founded:1993 | Employees:100 - 250 | Headquarters Location:Alcobendas, ES |
| Founded:1993 | Employees:10K - 50K | Headquarters Location:Madrid, ES |
| Founded:2007 | Employees:500-1000 | Headquarters Location:Madrid, ES |
| Founded:2003 | Employees:100-200 | Headquarters Location:Madrid, ES |
| Founded:2003 | Employees:1000-5000 | Headquarters Location:Pozuelo de Alarcón, ES |
| Founded:2001 | Employees:10000+ | Headquarters Location:Madrid, ES |
| Founded:1989 | Employees:500-1000 | Headquarters Location:Madrid, ES |
| Founded:1982 | Employees:500-1000 | Headquarters Location:Zaragoza, ES |