As far as I know that field closed that was by the airport.
5570 Airport Road
Pierre, South Dakota 57501 (605) 773-6586
Thats the old contact info.
Adam The Tech from South Dakota
I build Dm4/5/c flow plugs. In stock ready to ship.
I do custom machining and large runs. If you are looking to have a product machined/manufactured contact me.
AIMLESS FACTORY INSIDE.