Maquoketa Plastics Mold Manufacturers 500 Jacobsen Dr A-DAC Plastics Corp. is a modern, plastic injection molding facility which manufactures custom and stock knobs for OEM's in the appliance, lawn and turf care, sports/liesure and medical industries.knobs, plastic, custom, round, knurled, modern, 3 point, 5 point, star, anti-vibration knob, anti vibration knob, dacloc, dack lock, dak-lock, tooling, assembly, custom knobs, midwest, maufacturer, daclok, thru-hole inserts, threaded studs, stock, custom injection molding, plastics assembly, non-profit, DAC, Inc., Illinois Tool Works Maquoketa IA Plastics Mold Manufacturers Adac Plastics Inc www.a-dac.com Business Reviews Adac Plastics Inc Testimonials