G R Manufacturing Inc was founded in 1990 to outfit John Deere construction equipment for specialized applications such as forestry, wildfire suppression, trash handling, recycling, demolition, and military operations .
The company specializes in enhancing machine reliability in harsh environments and protecting both machines and operators from workplace hazards .
It operates a 100,000 sq. ft. facility in Trussville, Alabama, where new machines are outfitted with complex installations, often for governmental or military clients