AUSTIN, TX -- Jan. 15, 2007 -- Drummond Group Inc. (DGI), the leading B2B interoperability certification company, today announced that five software products from five companies successfully completed the Drummond Certifiedâ„¢ program's ebMS (ebXML Message Service)-4Q06 interoperability testing. Companies demonstrating interoperability among their products in the ebMS-4Q06 test round included Axway, Cleo Communications, Inovis, Inc., Sterling Commerce and Xenos. ebMS is the messaging layer of the ebXML framework.