Dill Air Control Products Share: Manufacturing & Production Dill Air Control Products Visit Website 1500 Williamsboro St. Oxford, NC 27565 (919) 692-2388 About Map About Dill is the leading supplier of fluid control valves and tire valve hardware, including tire valve stems, valve cores, air gauges, inflation devices, tire pressure monitoring sensors, and more. What's Nearby? Distance: 5 10 15 20 25 50 mi.