Demolition of the plant complex began in late 2012 and is expected to be completed by mid-2013.
The plant complex included a building on Water Street that was used for manufacturing and office space.
Founded on April 3, 1965, the main plant complex is located in Yarımca, Izmit.
Air Force and company officials said any delay in producing the missiles would probably be relatively brief, since the plant complex includes other buildings where the same work could be done.
The active ingredients in Treo responsible for repelling mosquitoes, lyme ticks and flies are derivatives of a plant complex, the manufacturer says.
In botany, susceptibility is the extent to which a plant, vegetation complex or ecological community would suffer from a pathogen if exposed, without regard to the likelihood of exposure.
Accompanying the plant would be housing for over 1000 workers, and a coal-fired power station to provide energy for the plant complex.
It has been proposed that a new company would be formed and an industrial complex would be set up at the plant complex.
At its peak in the mid-1970s, the sprawling plant complex encompassed 23 acres and employed nearly 3,000 workers.
Around this time, the plant complex (known as "Chevy in the Hole") began to disappear.