The below table provides a list of solutions supporting AS4 in production, as well as
- Drummond certification (https://www.drummondgroup.com/newsevents/press-releases/2015-press-releases)
- ENTSOG Interoperability (http://www.entsog.eu/public/uploads/files/publications/Events/2014/ENTSOG%20AS4%20PoC%20Final%20Report%20final.pdf).
Note that the CEF maintains the list of e-SENS AS4 conformant solutions at https://ec.europa.eu/cefdigital/wiki/display/CEFDIGITAL/e-SENS+AS4+conformant+solutions. This is the single point of information for listing the conformant solutions and gives access to the conformance testing report.
Updates to this table can be sent to e-SENS: http://www.esens.eu/contact-us/