The company specialises in smaller children's roller coasters; however, it has manufactured some larger family roller coasters in the past.
The company built a variety steel roller coasters aimed at children and families such as Wild Mouse roller coasters.
[3] Production of new roller coasters by Miler Manufacturing stopped in the mid 1970s.
[4][6] As of 2019, E&F Miler Industries have manufactured a total of 58 roller coasters which have operated at 89 different locations.
[3] The majority of the company's contracts come from the International Association of Amusement Parks and Attractions' (IAAPA) annual trade show.