You can see your existing SNS topics on this page:
And you can create a new topic by filling out this form:
Per the dialog above, you can associate a description and a billing code with the SNS topic, and you can also label the topic (and the other components of your application) to identify it as part of a particular application.
Their system also includes a number of other enterprise-grade features including key management, multiple user roles, automated failure recovery, reporting, and cluster-level management of EC2 instances. Learn more here or request a demo.