No raises - Meat and Produce Associate bei Walmart: Mitarbeiterbewertung

No yearly evaluation in 5-6years. Wish I could get raises and paid fairly for all the years of hard work and for leading, going above and beyond an average worker. I make less then new employees and only 30 cents above the $15 starting wage. I feel cheated and undervalued even though I am touted as the hardest worker at my store for 8 years. I am the guy all customers go to and employees for help, direction etc.