E-One is an emergency services manufacturer and marketer based in Ocala, Florida.
Founded in 1974 as Emergency-One, E-One has a staff of roughly 900 in four plants in the United States. In 1992, the company purchased Canadian fire apparatus builder Superior Emergency Equipment and in 1998 bought Saulsbury Fire Equipment of Preble, New York. E-One has sold more than 25,000 vehicles worldwide.
Customers include some of the largest cities in the US, including the fire departments in Boston, Chicago and New York City.
E-One was purchased by American Industrial Partners, an investment group, and in 2010 combined with Fleetwood Enterprises, Collins Industries and Halcore Group to form Allied Specialty Vehicles. Allied Specialty Vehicles changed its name to REV Group on November 1, 2015.