| Madrid | MADRID | | |
| Madrid | MADRID | www.sgs.es | |
| Madrid | MADRID | www.grupoleben.com | |
| Boecillo | VALLADOLID | | |
| Madrid | MADRID | www.geometry.com | |
| Leganés | MADRID | | |
| Córdoba | CÓRDOBA | | |
| Barcelona | BARCELONA | | |
| Barcelona | BARCELONA | www.tailormade.es | |
| Sant Feliu de Codines | BARCELONA | www.warak.com | |
| Barcelona | BARCELONA | www.ingecon.com | |
| Madrid | MADRID | www.enkoteams.es | |
| Madrid | MADRID | www.ideauto.com | |
| Madrid | MADRID | www.omniprex.com | |
| Barcelona | BARCELONA | | |
| Madrid | MADRID | www.tns-global.es | |
| Barcelona | BARCELONA | www.ferretrenzano.com | |
| Madrid | MADRID | www.psyma.com | |
| Madrid | MADRID | www.cegedimstrategicdata.com | |
| Barcelona | BARCELONA | | |
| Barcelona | BARCELONA | www.ambermarketing.com | |
| Madrid | MADRID | www.conectarc.com | |
| Madrid | MADRID | www.bufetedemarketing.com | |
| Coruña (A) | CORUÑA | | |
| Barcelona | BARCELONA | www.zinklar.com | |
| Bilbao | VIZCAYA | www.ikerfel.es | |
| Aranjuez | MADRID | www.savispain.es | |
| Madrid | MADRID | www.the-cocktail.com | |
| Madrid | MADRID | www.hmr.co.com | |
| Madrid | MADRID | www.myb.es | |
| Barcelona | BARCELONA | www.schlesingergroup.com | |
| Madrid | MADRID | www.analisiseinvestigacion.com | |
| Madrid | MADRID | www.grupoinmark.com | |
| Madrid | MADRID | www.grupotasvalor.es | |
| Barcelona | BARCELONA | www.esr-reserch.com | |
| Madrid | MADRID | www.trading-media.com | |
| Barcelona | BARCELONA | www.ftzmo.com | |
| Madrid | MADRID | www.institutodym.es | |
| Cornellà de Llobregat | BARCELONA | www.albora.es | |
| Madrid | MADRID | www.gipa.eu | |
| Madrid | MADRID | www.urbanscience.es | |
| Barcelona | BARCELONA | www.opinometre.com | |
| Boadilla del Monte | MADRID | www.cenit.com | |
| Madrid | MADRID | www.greatplacetowork.es | |
| Santa Coloma de Cervelló | BARCELONA | www.adleisure.com | |
| Benalmádena | MÁLAGA | www.webhelp.com | |
| Madrid | MADRID | www.kantarhealth.com | |
| Madrid | MADRID | www.advira.com | |
| Barcelona | BARCELONA | www.rosenthal-research.com | |
| Madrid | MADRID | www.puntodefuga.es | |