The company I work for uses it for all of their customer billing, and when I was first doing my orientation I met another new hire that was joining the mainfram

The company I work for uses it for all of their customer billing, and when I was first doing my orientation I met another new hire that was joining the mainframe team, and from what he described, it is the same for most COBOL programs in most industries...legacy stuff that will continue to run for years