To be frank, I still think the small launch vehicle market is bubbling and I just can't see more than 2 US (or US-related) new small rocket LSPs surviving the near term. 
https://twitter.com/NASASpaceflight/status/1136638943951302656 …
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It’s impossible to say if it’s bubbling or not yet when there’s only one operational smallsat launch vehicle at the moment. When VirginOrbit, Relativity and Firefly start launching we’ll see what the market for such vehicles truly is.
Well, the room is already very crowded with Generation Orbit, Astra Space (dunno how far they are given the secrecy) and Vector theoretically also in the run, plus more that I can't remember. Then you have the Europeans (maybe 1-2 w/ real chances) & the Chinese...