Mo. Rev. Stat. § 148.430
In any case where the authority of any insurance company to do business in this state has been or shall be suspended, revoked or withheld for nonpayment of taxes, or for any other cause, or when any company shall voluntarily withdraw from this state, the director of revenue may sue and recover, in his own name, in any court in this state having jurisdiction, from any such company, the amount of taxes and license properly chargeable against such company by law, together with costs and reasonable attorney's fees, to be taxed as costs; and in such proceeding, process may issue to any county in the state, and may be served on the agent or attorney appointed under the law to receive or acknowledge service of process, and such service shall be as valid as if served on the company according to the laws of this state in other cases.
§ 148.430, RSMo
RSMo 1939 § 6102, A.L. 1945 p. 1024