- A1 Telekom Austria
- American Express
- Bouygues
- Elisa
- KPN (Koninklijke KPN N.V.)
- Mastercard
- O2 Slovakia
- Orange (Slovakya)
- Paysafecard
- T-Mobile International (Avusturya)
- T-Mobile International (Almanya)
- T-Mobile International (Yunanistan)
- T-Mobile International (Slovakya)
- Telefónica Deutschland
- Three (Hutchison Drei Austria)
- Visa
- Vodafone (Almanya)
- Vodafone (İspanya)
- Vodafone Ireland
- Vodafone Libertel
- Wind Telecomunicazioni