SpaceX's first launch attempts "were launched from Kwajalein Atoll using the SpaceX launch facility on Omelek Island and range facilities of the Reagan Test Site."

https://en.wikipedia.org/wiki/Falcon_1

There is also the "Kodiak Launch Complex (KLC), is a dual-use commercial and military spaceport for sub-orbital and orbital launch vehicles." Private companies Astra and ABL Space Systems have launched from it.

https://en.wikipedia.org/wiki/Pacific_Spaceport_Complex_%E2%...