Rotational Molding of Utah is a custom plastic manufacturer. The two manufacturing processes used at RMU are rotational and c ... ompression molding. RMU was founded in 1992, but in 2014 it became 100% employee owned through an ESOP (Employee Stock Ownership Plan). This means that every employee is an owner at RMU and that ownership mentality is carried throughout the company. RMU produces products for many different industries and has all of the in house expertise to help in any product. RMU customers range in size from the small local start up companies to large fortune 500 companies. read more