In 1976 Energy completed construction of a new plant on  in the Monticello Industrial park. In 1985 Energy Manufacturing Company was sold to CGF Industries of Topeka, Kansas. CGF also purchased an Omaha Nebraska company called "Williams Machine and Tool". In 1997 Energy was purchased by Lincolnshire Partners and in 1999 Energy was purchased by Textron, Inc. Textron ran the company for 5 years until Energy was acquired by an investment group. On November 15, 2005 Energy added to the facility office space for administrative and manufacturing support.