1. Adyen
2. Amazon.Com Inc.
3. Ant Group Co. Ltd.
4. Apple Inc.
5. BitPay Inc.
6. Block Inc.
7. BlueSnap Inc.
8. Cardstream Limited
9. CCBill
LLC
10. Fiserv Inc.
11. Flagship Merchant Services
12. GoCardless Ltd.
13. Infibeam Avenues Limited
14. Ingenico Group S.A.
15. JPMorgan Chase & Co.
16. Mastercard Incorporated
17. Merchant Warrior
18. PayPal Holdings Inc.
19. PayU Group
20. Razorpay Software Private Limited
21. Shift4 Payments
LLC
22. Skrill Limited
23. Stripe Inc.
24. Tazapay PTE. LTD.
25. VeriFone Inc.
26. Visa Inc.
27. Wirecard AG
28. Zaakpay