| 1 | | Operario | barcelona |  ES | | | N/A | Synthon | N/A | Nijmegen, Gelderland, Netherlands | Pharmaceuticals | Nijmegen, Gelderland, Netherlands | +31 243727700 |
| 2 | | Operario | bilbao | ES | N/A | | N/A | Repsol | N/A | Madrid, Madrid, Spain | Oil & Energy | N/A | +34 916302709 |
| 3 | | Operario De Planta | sabadell | ES | N/A | | N/A | Cargill | N/A | Wayzata, Minnesota, United States | Food Production | Wayzata, Minnesota, United States | +1 8109897258 |
| 4 | | Operario | bilbao | ES | N/A | | N/A | Consorcio | N/A | Santiago, Santiago Metropolitan, Chile | Food Production | N/A | +56 6002213000 |
| 5 | | Operario | santa cruz de tenerife | ES | N/A | | N/A | Air Liquide | N/A | Paris, Île-De-France, France | Utilities | N/A | +33 344251960 |
| 6 | | Operario De Logã Stica | N/A | ES | N/A | | N/A | Famosa | N/A | Spain | Construction | N/A | +34 966544600 |
| 7 | | Operario | barcelona | ES | N/A | | N/A | Basf | N/A | Ludwigshafen, Rheinland-Pfalz, Germany | Chemicals | N/A | +49 49621600 |
| 8 | | Operario | madrid | ES | N/A | | N/A | Aernnova Aerospace | N/A | Minano Mayor, Pais Vasco, Spain | Aviation & Aerospace | N/A | N/A |
| 9 | | Operario | valencia | ES | | | N/A | Industrias Alegre S.A. | N/A | Albal, Valencia, Spain | Luxury Goods & Jewelry | Albal, Valencia, Spain | N/A |
| 10 | | Operario De Funciones Diversas | barcelona | ES | | N/A | N/A | Bd | N/A | Franklin Lakes, New Jersey, United States | Consumer Goods | Franklin Lakes, New Jersey, United States | +1 2018476800 |
| 11 | | Operario Maquinista Sector Farmacã Utico | barcelona | ES | | N/A | N/A | Uriach | N/A | Barcelona, Catalonia, Spain | Telecommunications | N/A | +34 938649692 |
| 12 | | Operario | valencia | ES | | N/A | N/A | Saica Group | N/A | Zaragoza, Aragon, Spain | Plastics | N/A | N/A |
| 13 | | Operario | malaga | ES | | N/A | N/A | Limasa Iii | N/A | Spain | Human Resources | N/A | N/A |
| 14 | | Operario | murcia | ES | | N/A | N/A | Grifols | N/A | Sant Cugat Del Vallès, Catalonia, Spain | Pharmaceuticals | N/A | +34 935710200 |
| 15 | | Operario | pamplona | ES | | N/A | N/A | Delphi | N/A | Kent, Kent, United Kingdom | Automotive | N/A | +52 6758668788 |
| 16 | | Operario Acondicionado Blister | N/A | ES | | N/A | N/A | Laboratorios Medicamentos Internacionales S.A. | N/A | Comunidad De Madrid, Madrid, Spain | Pharmaceuticals | N/A | N/A |
| 17 | | Operario | sevilla | ES | | | N/A | Abengoa | N/A | Seville, Seville, Spain | Renewables & Environment | Seville, Seville, Spain | +34 954937111 |
| 18 | | Operario | barcelona | ES | | N/A | N/A | Sony | N/A | Tokyo, Tokyo, Japan | Industrial Automation | N/A | +81 993565333 |
| 19 | | Operario Fundicion | bilbao | ES | | N/A | N/A | Precicast Sa | N/A | Switzerland | Aviation & Aerospace | N/A | N/A |
| 20 | | Operario | madrid | ES | | N/A | N/A | Renfe | N/A | Spain | Transportation/Trucking/Railroad | N/A | +34 983210928 |