 By the late 1950s, most distributors had added frozen foods to their product lines.In 1958, Mazo-Lerch held the first food show, and was one of the first distributors to offer both custom-cut meats and beverage dispenser programs.The diversification trend continued over the years, as foodservice distributors provided disposable items such as paper napkins and tablecloths, followed by china and glassware, then light and heavy equipment.