Mo. Rev. Stat. § 407.755: Action for damages and costs by retailer for violations — remedy not exclusive.

If a manufacturer, wholesaler or distributor violates any provisions of sections 407.753 and 407.754, a retailer may bring an action against such manufacturer, wholesaler, or distributor in any court of competent jurisdiction for damages sustained by the retailer as a consequence of the violation, together with the actual costs of the action, including reasonable attorney's fees. The court may award court costs and reasonable attorney fees to the prevailing party. The remedies set forth in this section shall not be deemed exclusive and shall be in addition to any other remedies permitted by law.