Local 18S (Stationary Engineers) provides a range of services for the construction industry. It serves buildings, plants, hospitals and other facilities. Local 18S (Stationary Engineers) is a part of the International Union of Operating Engineers Local 18, which serves more than 80 counties in Ohio and northern Kentucky. The union has over 15,000 members. It provides training, pension, and health and welfare programs. Established in1939, the International Union of Operating Engineers Local 18 also offers education and safety funds. Its health and welfare plan provides medical, prescription drug, and loss of time and death benefits for operating engineers. The union also offers apprenticeship programs for contractors and members. The International Union of Operating Engineers Local 18 provides a variety of promotional items. It is a part of the International Union of Operating Engineers (IUOE), which has nearly 400,000 members in the United States and Canada.