LaTour Advisory Group Inc. Share: Financial Planning & InvestmentsInsurance LaTour Advisory Group Inc. Visit Website 1107 Lyle Street Ava, MO 65608 (417) 683-9553 (417) 683-1399 (fax) Hours: 9-5 Mon. thru Fri. About About We provide retirement planning. Education on products related to medicare eligble clients and homeowners and car insurance.