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

Procurify - Reinvent the way organizations spend to make the purchasing process more accessible, manageable and convenient.

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

Ariba - Ariba is a software and information technology services platform providing companies with collaborative business commerce solutions.

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.

SutiProcure - SutiProcure is eProcurement software that automates the purchasing activities of your organization.