>Can you point me to any other company which has landed a rocket after putting a payload in orbit? Because if they aren't deploying payloads, they aren't competing with SpaceX.

Alright then. It might be true no one else had done this. but take a look at this, which might explain why no one else is doing it..

[1] https://www.quora.com/Havent-other-space-companies-thought-o...