| 1 | | Operaria | burgos |  ES | | | N/A | Ima | N/A | Wichita, Kansas, United States | Insurance | Wichita, Kansas, United States | +1 9139823650 |
| 2 | | Operaria | madrid | ES | | | N/A | John Deere | N/A | Moline, Illinois, United States | Machinery | N/A | +1 9197966112 |
| 3 | | Operaria De Servicios | bilbao | ES | N/A | | N/A | Osakidetza | N/A | N/A | Health, Wellness and Fitness | N/A | N/A |
| 4 | | Operaria | madrid | ES | N/A | | N/A | Psa Peugeot Citroën | N/A | Paris, Île-De-France, France | Automotive | N/A | N/A |
| 5 | | Operaria | madrid | ES | N/A | | N/A | Iveco | N/A | Turin, Piedmont, Italy | Automotive | N/A | +39 457236866 |
| 6 | | Operaria | las palmas de gran canaria | ES | N/A | | N/A | Lopesan | N/A | Las Palmas, Canarias, Spain | Hospitality | N/A | N/A |
| 7 | | Operaria | barcelona | ES | N/A | | N/A | Mecaplast Group | N/A | Monaco, Monaco | Automotive | N/A | N/A |
| 8 | | Operaria Produccion | barcelona | ES | | N/A | N/A | Louis Vuitton | N/A | Paris, Île-De-France, France | Apparel & Fashion | N/A | +33 977404077 |
| 9 | | Operaria | pamplona | ES | | N/A | N/A | Euskaltel | N/A | Derio, Basque Country, Spain | Telecommunications | N/A | +34 944425140 |
| 10 | | Operaria | barcelona | ES | | N/A | N/A | Smp Automotive Global | N/A | Germany | Automotive | N/A | N/A |
| 11 | | Operaria | gijon | ES | | N/A | N/A | Familiar | N/A | New York, New York, United States | Utilities | New York, New York, United States | +1 4153346100 |
| 12 | | Operaria | madrid | ES | | N/A | N/A | Trw | N/A | Uberherrn, Saarland, Germany | Industrial Automation | N/A | +1 7032515500 |
| 13 | | Operaria | barcelona | ES | | N/A | N/A | Ficosa | N/A | Barcelona, Catalonia, Spain | Automotive | N/A | +52 8181540400 |
| 14 | | Operaria | N/A | ES | | | N/A | Urbaser | N/A | Madrid, Madrid, Spain | Consumer Services | Madrid, Madrid, Spain | +34 959407778 |
| 15 | | Operaria | barcelona | ES | | N/A | N/A | Inem | N/A | Lisbon, Lisbon, Portugal | Fine Art | N/A | +351 222065000 |
| 16 | | Operaria Produccion | barcelona | ES | | N/A | N/A | Louis Vuitton | N/A | Paris, Île-De-France, France | Luxury Goods & Jewelry | N/A | +33 977404077 |
| 17 | | Operaria | sevilla | ES | | N/A | N/A | Angel Camacho Alimentacion | N/A | Sevilla, Andalucia, Spain | Import and Export | N/A | N/A |
| 18 | | Operaria | gijon | ES | | N/A | N/A | Tecsolpar S.A. | N/A | Llanera, Asturias, Spain | Chemicals | N/A | N/A |
| 19 | | Operaria | madrid | ES | | N/A | N/A | Initial | N/A | United Kingdom | Environmental Services | N/A | N/A |
| 20 | | Operaria En Costura | granada | ES | | N/A | N/A | Maris Interiors Llp | N/A | London, Greater London, United Kingdom | Apparel & Fashion | London, Greater London, United Kingdom | +44 2079021866 |