A-one are based in Northampton and specialise in prototype and production sheet metal, presswork, bending, fabrication and machining with a focus on special purpose vehicles. a-one, fabrication, sheet metal, bending, presswork, northampton, sywell, welding, folding, prototype, production, engineering, fabrication, machining, precision, punching, special, purpose, vehicles, milling, machining, drilling, cnc, mechanical, assembly, manufacturing, contract, steel, aluminum, titanium, monel, automotive, cad, guillotine, ISO9001:2000, body, panels, dedicated, fixturing, jigs, brake, press, fine, limit, mig, tig