Seneca Machine | Where Precision Is The Only Decision - machine shop, plastics, refractory tile Seneca Machine is a New Hampshire machine shop that has an assortment of fabrication and refractory brick capabilities. We strive to meet the needs of our customers and we are prepared to respond to our customers unique needs by utilizing our diverse range of machines for fabrication, finishing and more. Whether you need milling, fabrication, turning or grinding, Seneca Machine is ready to support your machining needs. Senecamachine.com~Site InfoWhoisTrace RouteRBL Check