OSIsoft is a SAP Certified SOFTWARE partner and has the Certified for SAP NetWeaver status.
OSIsoft listing on SAP’s web site
OSIsoft has certified integrations for SAP PP-PI (Production Planning-Process Industries), SAP-PM (Plant Maintenance) and SAP-QM (Quality Management) modules.
Additionally, OSIsoft’s RtPM Business Package for SAP Portal (Certified for SAP NetWeaver) allows users to link and correlate PI and SAP data and display in SAP Enterprise Portal.