- PayPal Holdings Inc
- Stripe Inc.
- Alipay.com Co.Ltd
- Amazon Payments Inc.
- Authorize.Net (CyberSource Corporation)
- WePay Inc. (JPMorgan Chase & Co.)
- 2checkout.Com Inc.?(Avangate B.V.)
- Adyen NV
- First Data Corporation?(Fiserv Inc.)
- One 97 Communications Limited