1. O2
2. Boots
3. ASDA
4. Vauxhall
5. Dixons
6. Specsavers
7. Halifax
8. Sainsburys
9. Virgin Media
10. npower
11. Renault
12. Argos
13. Debenhams
14. M&Co
15. DFS
16. Shop Direct
*Or announced they had no plans to advertise, which is kind of the same thing
