 Following a downturn in North American school bus purchase volumes as the children of the Baby Boom completed school, industry over-capacity among school bus manufacturers and a downturn in sales of funeral coaches, the company discontinued bus and professional car manufacturing at Superior Coach in Lima in late 1980, and portions of its assets were sold.Mid Bus, a small business based in Lima, resumed production of the smallest Superior school buses, beginning with a workforce of 16 persons.The small business grew successfully, and after a move to a much larger facility at Bluffton, Ohio, was acquired by Collins Industries in 1998.