Jugger Soft
Program-Transformation.Org: The Program Transformation Wiki
http://www.sourcerecovery.com
Note: No hyphen; www.source-recovery.com is a different company; see
SourceRecoveryCompany.
From their web page:
Source Recovery develops one-of-a-kind programmer utilities and system management tools that provide mission critical services to companies relying on midrange and mainframe servers. They have decompilers for HP-UX C/C++; IBM AS400 to RPG,
COBOL, DDS, CLP; IBM S/36, S38 to RPG,
COBOL, DDS, CLP.