- ABN AMRO (Netherlands)
- Batelco (Bahrain)
- BNP Paribas (Greece)
- CA Oblicore Professional Services (Belgium)
- CapitalOne (United States)
- Caramondani Group (Greece & Cyprus)
- Cooperative Central Bank (Cyprus)
- DB Systel (Germany)
- DWP (United Kingdom)
- Enel (Italy)
- ENI (Italy)
- Eversource (United States)
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- FastWeb (Italy)
- Infosys (United States)
- KPN (Netherlands)
- Kuwait Finance House (Kuwait)
- Logica (Portugal)
- Millicom (United States)
- Nalco (United States)
- NOKIA (United Kingdom)
- O.T.E. (Greece)
- Ooredoo (Qatar)
- Optum (United States)
- Orange (Belgium)
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- PETRONAS (Malaysia)
- Rumos (Portugal)
- SYNTAX IT Inc. (Greece)
- TrenItalia (Italy)
- United Health Group (United States)
- Vodafone (Australia)
- Vodafone (Portugal)
- Wind (Italy)
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