Companies to Contact to Obtain Leases or Sale Royalties

I own the royalties on 252.5 acres in Garvin County, east of Pauls Valley. Does anyone know the person or companies I need to contact to lease the royalties or sale the royalties?

Joyce,

What is the legal description. There is a lot of sour crude and gas due east of town.

Sec 19, T4N,R2East of the Indian Base and Meridian