Boku - Boku is a mobile payments network providing mobile-enhanced payments in e-commerce and at physical point-of-sale.

Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.

JeraSoft - JeraSoft develops of high-end billing, rating, routing and mediation solutions for Communication Providers (Mobile VoIP, Retail and Wholesale VoIP, SMS, MVNO/MVNE/MNO, and OTT Providers), Internet of Things Providers and Internet Service Providers.

Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.

Paychamp - Paychamp is a mobile operator billing service that enables developers and online businesses to monetize their digital goods and services.

Zuora - Zuora creates cloud-based software on a subscription basis that enables any company in any industry to successfully launch, manage, and transform into a subscription business.