Hours Of Operations Design Factory California South el Monte Design Factory Hours of Operation and Locations in South el Monte, CA 4.7 - 14 votes 1 Locations in South el Monte www.instantsignfactory.com Design Factory Hours Category: Electronics Design Factory - South El Monte, CA 91733 9703 Alpaca St(626) 455-0971 View Store Details Explore South el MonteView More Apparel MarshallsRainbowChico'sDelia'sExpress Sports VansGolflandSoccer CenterDelia's Jewelry MarshallsChico's Recommend For You Design R1 Software DEST Computer Solutions Digital Network Associates Digitron Direct Message Lab Dow Jones and Company Dr Computer Incorporated DRT Systems Dynamic Resources E & S Computers Incorporated