| 1 | | Operario | madrid |  ES | | | N/A | Psa Peugeot Citroën | N/A | Paris, Île-De-France, France | Automotive | N/A | N/A |
| 2 | | Operario | tarragona | ES | | | N/A | Elring Klinger | N/A | N/A | Automotive | N/A | N/A |
| 3 | | Operario De Pintura | villarejo de salvanes | ES | N/A | | N/A | Psa Peugeot Citroën | N/A | Paris, Île-De-France, France | Automotive | N/A | N/A |
| 4 | | Operario | malaga | ES | N/A | | N/A | Gas Natural Fenosa | N/A | Barcelona, Catalonia, Spain | Oil & Energy | N/A | +51 54270382 |
| 5 | | Operario Quã Mico Industrial | vigo | ES | N/A | | N/A | Lonza | N/A | Basel, Basel-City, Switzerland | Biotechnology | N/A | +41 916113636 |
| 6 | | Operario | madrid | ES | N/A | | N/A | Inem | N/A | Lisbon, Lisbon, Portugal | Hospital & Health Care | N/A | +351 222065000 |
| 7 | | Operario | burgos | ES | N/A | | N/A | Michelin | N/A | Auvergne, France | Automotive | N/A | +33 473322000 |
| 8 | | Operario Rsu | madrid | ES | N/A | | N/A | Fcc Environmental Services | N/A | The Woodlands, Texas, United States | Environmental Services | The Woodlands, Texas, United States | +1 8776423702 |
| 9 | | Operario | madrid | ES | N/A | | N/A | Alcampo S.A. | N/A | Spain | Retail | N/A | +34 976446118 |
| 10 | | Operario | barcelona | ES | N/A | | N/A | Casa Tarradellas, S.A. | N/A | Gurb, Catalonia, Spain | Food Production | N/A | +34 938816550 |
| 11 | | Operario De Produccion | jaen | ES | N/A | | N/A | Cosentino | N/A | Cantoria, Andalusia, Spain | Mechanical or Industrial Engineering | N/A | +34 950444175 |
| 12 | | Operario En Prensa Y Aprendiz De Montador De Matrices | barcelona | ES | | N/A | N/A | Estamp Int | N/A | Terrassa, Catalonia, Spain | Mechanical or Industrial Engineering | Terrassa, Catalonia, Spain | N/A |
| 13 | | Operario Lã Nea De Montaje | N/A | ES | | N/A | N/A | Renault | N/A | France | N/A | N/A | +380 934076665 |
| 14 | | Operario | N/A | ES | | N/A | N/A | Sert | N/A | Colombia | Mechanical or Industrial Engineering | N/A | N/A |
| 15 | | Operario | valencia | ES | | N/A | N/A | Volkswagen Navarra | N/A | Pamplona, Navarre, Spain | Automotive | N/A | N/A |
| 16 | | Operario | vigo | ES | | N/A | N/A | Jealsa Rianxeira S.A. | N/A | Boiro, Galicia, Spain | Food Production | N/A | +34 981845400 |
| 17 | | Operario | madrid | ES | | N/A | N/A | Aqualia | N/A | Madrid, Madrid, Spain | Arts and Crafts | N/A | +34 900814482 |
| 18 | | Operario | zaragoza | ES | | N/A | N/A | General Motors | N/A | Detroit, Michigan, United States | Automotive | Detroit, Michigan, United States | +1 8008232112 |
| 19 | Maria Del Mar Sanchez Perez | Operario | barcelona | ES | | N/A | N/A | Emtisa(Nissan) | N/A | Spain | Industrial Automation | N/A | N/A |
| 20 | | Operario | vigo | ES | | N/A | N/A | Telefónica | N/A | Madrid, Madrid, Spain | Telecommunications | N/A | +34 900111004 |