| 1 | | Obrero | bilbao |  ES | | | N/A | Ferrari | N/A | Maranello, Emilia-Romagna, Italy | Automotive | N/A | +39 309941675 |
| 2 | | Obrero | palma | ES | | | N/A | - Huddle Productions - | N/A | Dallas, Texas, United States | Media Production | N/A | N/A |
| 3 | | Obrero | barcelona | ES | | | N/A | Escuela Colombiana De Ingeniería | N/A | Bogota, Distrito Especial, Colombia | Arts and Crafts | N/A | N/A |
| 4 | | Obrero | murcia | ES | N/A | | N/A | Jofel Industrial, S.A. | N/A | Alicante, Valencia, Spain | Paper & Forest Products | Alicante, Valencia, Spain | +34 936760991 |
| 5 | | Obrero | a coruña | ES | N/A | | N/A | Honeywell | N/A | Morristown, New Jersey, United States | Electrical/Electronic Manufacturing | N/A | +1 8778412840 |
| 6 | | Obrero | N/A | ES | N/A | | N/A | Auxiliar Conservera S.A. | N/A | Molina De Segura, Murcia, Spain | Packaging and Containers | N/A | N/A |
| 7 | | Obrero | barcelona | ES | N/A | | N/A | Dragados Sa | N/A | Madrid, Madrid, Spain | Construction | N/A | +34 934856642 |
| 8 | | Obrero Especialista | marcilla | ES | N/A | | N/A | Exkal (Exposición Y Conservación De Alimentos S.A.) | N/A | Spain | Machinery | N/A | N/A |
| 9 | | Obrero | la mancha blanca | ES | N/A | | N/A | Mec | N/A | London, London, United Kingdom | Marketing and Advertising | N/A | +44 1142720833 |
| 10 | | Obrero | bilbao | ES | N/A | | N/A | Vidrala | N/A | Alava, Asturias, Spain | Packaging and Containers | N/A | +34 946719700 |
| 11 | | Obrero Sin Especializaciã³n | barcelona | ES | N/A | | N/A | Securitas | N/A | Badhoevedorp, North Holland, Netherlands | Security and Investigations | Badhoevedorp, North Holland, Netherlands | +31 883221100 |
| 12 | | Obrero Agrã Cola | murcia | ES | N/A | | N/A | Semilleros Jimenado | N/A | N/A | Farming | N/A | N/A |
| 13 | | Obrero | madrid | ES | N/A | | N/A | Fmt | N/A | Findlay, Ohio, United States | Machinery | Findlay, Ohio, United States | +1 4194343100 |
| 14 | | Obrero | barcelona | ES | N/A | | N/A | Atexx | N/A | N/A | Capital Markets | N/A | N/A |
| 15 | | Obrero Guarro | bilbao | ES | | N/A | N/A | Arcelormittal | N/A | Luxembourg | Mining & Metals | N/A | +44 1724810000 |
| 16 | | Obrero | zaragoza | ES | | N/A | N/A | Faurecia | N/A | Nanterre, Ile-De-France, France | Automotive | N/A | +33 389628200 |
| 17 | | Obrero | lorca | ES | | N/A | N/A | Primafilm | N/A | N/A | Media Production | N/A | N/A |
| 18 | | Obrero | burgos | ES | | | N/A | Bridgestone | N/A | Nashville, Tennessee, United States | Automotive | Nashville, Tennessee, United States | +1 7026373217 |
| 19 | | Obrero | salamanca | ES | | N/A | N/A | Grupo El Arbol Distribucion Y Supermercados, S.A. | N/A | Valladolid, Castille And León, Spain | Food & Beverages | N/A | N/A |
| 20 | | Obrero | N/A | ES | | N/A | N/A | Nueva Alianza Laguna | N/A | Torreón, Coahuila, Mexico | Political Organization | Torreón, Coahuila, Mexico | N/A |