This Law Firm Publication by Fisher & Phillips LLP discusses the increase in the Missouri minimum wage from $7.50 to $7.65 and from $3.75 to $3.825 for tipped employees. This increase, which applies to all employers except retail and service businesses with less than $500,000 in annual gross sales, takes place under a statutory cost of living formula. These changes go into effect on January 1, 2015.