| 1 | | Operario | tarragona |  ES | | | N/A | Lear Corporation | N/A | Southfield, Michigan, United States | Automotive | Southfield, Michigan, United States | +1 7409284358 |
| 2 | | Operario | sevilla | ES | | | N/A | Persán | N/A | Sevilla, Andalucia, Spain | Chemicals | N/A | +34 954998350 |
| 3 | | Operario En Michelin | bilbao | ES | | | N/A | Michelin | N/A | Auvergne, France | Automotive | N/A | +33 473322000 |
| 4 | | Operario | madrid | ES | N/A | | N/A | Iberia | N/A | Madrid, Madrid, Spain | Airlines/Aviation | Madrid, Madrid, Spain | +34 901120223 |
| 5 | | Operario General | madrid | ES | N/A | | N/A | Dragados Sa | N/A | Madrid, Madrid, Spain | Construction | N/A | +34 934856642 |
| 6 | | Operario | leon | ES | N/A | | N/A | Publicorp | N/A | France, Aquitaine, France | Marketing and Advertising | N/A | N/A |
| 7 | | Operario De Produccion | valladolid | ES | N/A | | N/A | Grupo Antolin | N/A | Spain | Industrial Automation | N/A | +40 758715940 |
| 8 | | Operario De Lã Nea | huesca | ES | N/A | | N/A | Procter & Gamble | N/A | Cincinnati, Ohio, United States | Executive Office | Cincinnati, Ohio, United States | +1 6174633000 |
| 9 | | Operario | barcelona | ES | N/A | | N/A | Swissport | N/A | Zurich, Switzerland | Airlines/Aviation | N/A | +41 438150000 |
| 10 | | Operario De Cã Mara | zaragoza | ES | | N/A | N/A | Telefonica Servicios Audiovisuales Aragon Tv | +447856425582 | N/A | Sports | N/A | N/A |
| 11 | | Operario Logistico | barcelona | ES | | N/A | N/A | Decathlon France | N/A | Nord, Hauts-De-France, France | Sporting Goods | N/A | N/A |
| 12 | | Operario De Almacã N | vigo | ES | | N/A | N/A | Nisbets | N/A | Avonmouth, Bristol, United Kingdom | N/A | N/A | +44 1173165000 |
| 13 | | Operario | barcelona | ES | | N/A | N/A | Ninguna | N/A | N/A | N/A | N/A | N/A |
| 14 | | Operario | barcelona | ES | | N/A | N/A | Ferrovial | N/A | Madrid, Madrid, Spain | Publishing | N/A | +1 2819078605 |
| 15 | | Operario | barcelona | ES | | N/A | N/A | Fama Investimentos | N/A | Sao Paulo, Sao Paulo, Brazil | Arts and Crafts | Sao Paulo, Sao Paulo, Brazil | +55 1155081188 |
| 16 | | Operario | barcelona | ES | | N/A | N/A | Delphi | N/A | Kent, Kent, United Kingdom | Automotive | N/A | +52 6758668788 |
| 17 | | Operario | valencia | ES | | N/A | N/A | Ford Motor Company | N/A | Dearborn, Michigan, United States | Automotive | N/A | +1 8003923673 |
| 18 | | Operario | alcoy | ES | | N/A | N/A | Viduca S.L.U. | N/A | Alcoy, Valencia, Spain | Furniture | Alcoy, Valencia, Spain | N/A |
| 19 | | Operario | barcelona | ES | | N/A | N/A | Ritrama S.P.A. | N/A | Caponago, Lombardy, Italy | Chemicals | N/A | +39 73297061 |
| 20 | | Operario General | barbens | ES | | N/A | N/A | Grupo Alimentario Guissona | N/A | Guissona, Catalonia, Spain | Food Production | N/A | N/A |