In the kind of particle physics that is widely accepted, such as the Standard Model, quantum fields for quarks, charged leptons, neutrinos, photons, weak bosons, gluons, and Higgs exist in spacetime but are not part of the geometry of spacetime. Only gravitation currently has aan accepted geometrical explanation. The electromagnetic, weak, and strong forces do not.
In more speculative physics, the other three forces can be related to the geometry of possible higher dimensions, but there is no evidence for this.