There are multiple companies trying to build constellations requiring 1000s of satellites. These are in planning both for communication and for earth imaging.
There are of course ongoing launches for government, GPS, military, NASA supply, probes and so on. There are also many other governments globally that want their own communications, and very often the launch on commercial providers.
Both SpaceX and BlueOrigin have plans to do tourist launches and if the rockets are as reusable as we hope they are, the cost of these could drop where is is at least another piece in the demand that allows the price to drop.
Many of these companies also have their own plans that will require some amount of launches.
Longer terms mining and manufacturing could be interesting as well.
You can find a lot of these analysis all over the place. Of course depending on who is sponsoring them the market is either huge or non existent.