Nassau Lionel Operating Engineers 2953 Hempstead Tpke, Levittown, NY11756 Nassau Lionel Operating Engineers (NLOE) is a model train club based in Levittown. This organization has been in the…More community for more than 20 years, and it is open to new members who are interested in trains and model train building. Before moving to its new location, NLOE housed one of the largest O-Gauge model railroads in the nation, and now has built a new model twice the size of the original. The organization offers open houses to the public, and also hosts holiday shows each year. Check the Web site for details on membership, or to look at some of the models themselves.