• ACI Base24 Switch
• ACI Retail Commerce Server (RCS)
• Ascendent Switch
• Chase Paymentech
• Elavon
• First Data
• 5th/3rd Processing Solutions
• LML
• Mercury Payment Systems
• RBSLynk
• S2 Switch
• Shazam
• Stratus Switch
• SoluPay/Echo (Check Conversion)

**Along with other custom host modules