Most of these companies don't actually have a lot of "secret sauce" that can be exported to other companies like this. Maybe they could do it trading on their

Most of these companies don't actually have a lot of "secret sauce" that can be exported to other companies like this. Maybe they could do it trading on their brand image, but dedicated logistics software companies would likely offer a much better product. Internal products tend to be built to internal needs, and aren't always great quality.