I’m aware of two large telecom companies that use Perl extensively, but in-house and internal services only. They don’t have anything “public” to point to. I w

I’m aware of two large telecom companies that use Perl extensively, but in-house and internal services only. They don’t have anything “public” to point to. I will say that the extensive backwards compatibility is a big reason why Perl remains; there’s no pressure to change or get rid of “old” programs when they just keep working year and year.