TETHYS LLC is a Limited Liability Company - Out of State registered in the state of California. The business was filed on 03/18/2011 and is currently listed as Active. The official file number for this entity is 201109510261. The registered agent on file is John Sutherland [email protected], located at 2540 Camino Diablo Suite 200, Walnut Creek, Ca, 94597. The principal office address is located at 25 Oak Drive, Orinda, Ca, 94563.