Blu Age (AWS)

Tata Consultancy Services (TCS) operates at massive scale. Their "MasterCraft" suite leverages intelligent automation and GenAI to modernize legacy applications. They are currently migrating over 50 million lines of COBOL to Java for a single financial client.

Scalo is a software house specializing in legacy modernization and cloud migration.

Now part of OpenText, Micro Focus provides the tooling that powers many other vendors' migrations. Their "Visual COBOL" allows running COBOL on .NET/JVM, and "Enterprise Analyzer" is the gold standard for legacy code assessment.