packager

Short definition from Wiktionary

Noun

1. 1
   A person who packages.
2. 2
   A tool or machine used to package objects.
3. 3
   A company that hires writers and produces finished books to be sold on to publishers.
4. 4
   A comic book studio that produces content for comic book publishers on demand.
5. 5
   A program that groups objects or data into a single file.