Branchenguide Callcenter 2011: Business Process Outsourcing (BPO)
| arvato services | [E-Mail] | [Homepage] | [Firmenporträt] |
| SNT Deutschland AG | [E-Mail] | [Homepage] | [Firmenporträt] |
| Sparda TelefonService GmbH & Co. KG | [E-Mail] | [Homepage] | [Firmenporträt] |
| arvato services | [E-Mail] | [Homepage] | [Firmenporträt] |
| SNT Deutschland AG | [E-Mail] | [Homepage] | [Firmenporträt] |
| Sparda TelefonService GmbH & Co. KG | [E-Mail] | [Homepage] | [Firmenporträt] |