For more than 35 years, Berk International has manufactured disposable wiping cloths, towels and tissue products from its Boyertown, Pennsylvania operation. The privately held Berk family company pairs standard products with custom converting, offering more than 700 wiping solutions from a 275,000-square-foot facility with 17 production lines running around the clock. Its consultative approach helps distributors match products to demanding cleaning applications, including specialized wipes for delicate optical and electronic surfaces.