| 1 | | Operaria | gijon |  ES | | | N/A | Ies | N/A | Houston, Texas, United States | Construction | Houston, Texas, United States | +1 9203370689 |
| 2 | | Operaria | gijon | ES | | | N/A | Total | N/A | France | Industrial Automation | N/A | +33 471034025 |
| 3 | | Operaria | barcelona | ES | N/A | | N/A | The Dow Chemical Company | N/A | Midland, Michigan, United States | Chemicals | Midland, Michigan, United States | +1 5024495200 |
| 4 | | Operaria | huesca | ES | N/A | | N/A | Baxter International Inc. | N/A | Deerfield, Illinois, United States | Pharmaceuticals | Deerfield, Illinois, United States | +1 6109337202 |
| 5 | | Operaria Control De Calidad | N/A | ES | N/A | | N/A | Iqap Masterbatch Group | N/A | Barcelona, Catalonia, Spain | Plastics | N/A | N/A |
| 6 | | Operaria Laboratorio | N/A | ES | N/A | | N/A | Famar | N/A | Athens, Attiki, Greece | Pharmaceuticals | N/A | +30 2109898100 |
| 7 | | Operaria | las palmas de gran canaria | ES | N/A | | N/A | Lopesan | N/A | Las Palmas, Canarias, Spain | Hospitality | N/A | N/A |
| 8 | | Operaria | barcelona | ES | | N/A | N/A | Yo Misma | N/A | Spain | Fine Art | N/A | +34 602197343 |
| 9 | | Operaria | reus | ES | | N/A | N/A | Pastificio Service Sl (Restauravia Foods) | N/A | Spain | Restaurants | N/A | N/A |
| 10 | | Operaria Montadora | barcelona | ES | | N/A | N/A | Niled S.A.E | N/A | Manresa, Catalonia, Spain | Automotive | Manresa, Catalonia, Spain | N/A |
| 11 | | Operaria | barcelona | ES | | N/A | N/A | Novartis | N/A | Basel, Basel-City, Switzerland | Pharmaceuticals | N/A | +1 8444283947 |
| 12 | | Operaria De Limpieza | santa cruz de tenerife | ES | | | N/A | Hospital Universitario De Canarias | N/A | Madrid, Madrid, Spain | Health, Wellness and Fitness | Madrid, Madrid, Spain | +34 922678000 |
| 13 | | Operaria | barcelona | ES | | N/A | N/A | Mercedes Benz | N/A | Germany | Industrial Automation | N/A | +49 9113160660 |
| 14 | | Operaria | a coruña | ES | | N/A | N/A | Grafoplás Del Noroeste, S.A. | N/A | Culleredo, A Coruña, Spain | Food Production | N/A | N/A |
| 15 | | Operaria Produccion Downstream | pamplona | ES | | N/A | N/A | 3P Biopharmaceuticals | N/A | Noain, Navarra, Spain | Research | N/A | N/A |
| 16 | | Operaria | pamplona | ES | | N/A | N/A | Gureak | N/A | San Sebastian, Gipuzkoa, Spain | Music | N/A | +34 688771069 |
| 17 | | Operaria | barcelona | ES | | N/A | N/A | Akua | N/A | Woodside, California, United States | Consumer Electronics | Woodside, California, United States | +1 3052354532 |
| 18 | | Operaria Electrã³nica | barcelona | ES | | N/A | N/A | Ficosa | N/A | Barcelona, Catalonia, Spain | Consumer Electronics | N/A | +52 8181540400 |
| 19 | | Operaria | N/A | ES | | N/A | N/A | Osakidetza | N/A | N/A | Health, Wellness and Fitness | N/A | N/A |
| 20 | | Operaria | gijon | ES | | N/A | N/A | Tecsolpar S.A. | N/A | Llanera, Asturias, Spain | Chemicals | N/A | N/A |