A company that offers transaction management for eXtreme Transaction Processing (XTP), Service Oriented Architecture (SOA) and open source environments
From atomikos.com:
Atomikos offers transaction management for eXtreme Transaction Processing (XTP), Service Oriented Architecture (SOA) and open source environments. Atomikos’ software safeguards critical transactions and prevents costly data loss or corruption in the event of a system failure or crash by automating the cancellation of failed business transactions.