Butler's LP and Fertilizer is Putnam County's only family owned and operated propane gas, fertilizer and agri-business provider serving Putnam County and surrounding areas for over 50 years.  We are located just South of Veteran's Memorial Highway in Greencastle, IN on the West side of U.S. Highway 231, or 4 miles North of U.S. Highway 40 on the West Side of U.S. Highway 231.