TEMFIRMA is a standard SAP Table which is used to store IS-U mig.: company data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TEMFIRMA table consists of various fields, each holding specific information or linking keys about IS-U mig.: company data available in SAP. These include PGM_LANG (Programming language of legacy system), RIVA (Data transfer from RIVA legacy system), DEVCLASS (Development Class for Migration Workbench), SERVER (Remote server of migration path dialog)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .