IBM has been a long-supporter of BPEL, and numerous IBM products support BPEL as well.

WebSphere® Integration Developer

http://www-306.ibm.com/software/integration/wid/
WebSphere Integration Developer is a common tool for building SOA-based integration solutions across WebSphere Process Server, WebSphere ESB, and WebSphere Adapters. WID enables construction of process and integration solutions using drag-and-drop technology without having a working knowledge of Java. It enables rapid assembly of business solutions by wiring reusable service components.