Tenn. Code § 56-15-112
Any surety company doing business under this chapter may be sued in respect to doing business under this chapter in any court that has now, or hereafter may have, jurisdiction of actions or suits upon the recognizance, stipulation, bond, or undertaking in the county in which the recognizance, stipulation, bond, or undertaking was made or guaranteed, or in the county in which the principal office of the company is located; and, for the purposes of this chapter, the recognizance, stipulation, bond, or undertaking shall be treated as made or guaranteed in the county in which the office is located, to which it is returnable or in which it is filed, or in the county in which the principal in the recognizance, stipulation, bond, or undertaking resided when it was made or guaranteed.
T.C.A. § 56-15-112