packaging Pallet wars: corrugated industry tries to edge out wood pallets By Tracy Samilton • Jul 2, 2015 Listen Listening... / Listen to today's Environment Report. Pity the lowly wood pallet. Nobody thinks about it. But it does so much work. Most merchandise in supermarkets and big box stores is shipped on wood pallets. There are roughly two billion wood pallets circulating in the U.S.