1. Absa Group Limited
2. BP plc
3. Chevron Corporation
4. Engen Petroleum Limited
5. Engen Petroleum Ltd.
6. Exxon Mobil Corporation
7. First National Bank Corporation
8. Fleetcor Technologies Inc.
9. Fuel Card Services Ltd
10. Puma Energy Holdings Pte Ltd.
11. Royal Dutch Shell PLC
12. Standard Bank Group Ltd.
13. Total S.A.
14. Wex Inc.