| Name | Type | Country |
|---|---|---|
| Irontec | Enterprise | Spain |
| Irradiare Investigacao E Desenvolvimento Em Engenharia E Ambiente Lda | Enterprise | |
| jacobsstaff | Enterprise | Spain |
| Jandei | Enterprise | Spain |
| JOT Internet Media | Enterprise | Spain |
| Karlsruher Institut Fuer Technologie | University | Germany |
| Kemin Digipolis Oy | Enterprise | |
| Kidy Froh SL | Enterprise | Spain |
| Kisale Services 2010 | Enterprise | Spain |
| Knowle West Media Centre | Enterprise | United Kingdom |