Established in 1934, Erffmeyer and Son Co. Inc. is in the business of designing and manufacturing recognition jewelry, medallions and coins, custom rings, traditional awards and other promotional products. Based in Milwaukee, Wis., the company offers its products to business corporations, schools, universities, professional associations, religious groups, governmental organizations, nonprofit organizations and hospitals worldwide. It designs and builds pins, emblems, custom coins, name-brand gifts, trophies, plaques, crystal marble and acrylic items for its end users. Additionally, Erffmeyer and Son Co. Inc. creates customized logo on various awards and recognition items through methods, including engraving, lasering, silk screening and polishing.