I think it’s a bit obvious to state this, but a lot of 12k’s catalog falls in this category, see for example Taylor Deupree and of course @marcus_fischer.
A friend of mine runs a small label called Kohlhaas, a lot of the albums published by him focus on the creative use and mangling of field recordings, often put in relation with other instruments and musical materials:
See for example Nicola di Croce, Simon Whetham and Stefano de Ponti