3M
AMCOR PLC
ARDAGH GROUP S.A.
BALL CORP.
BERRY GLOBAL INC.
DUPONT
HUHTAMAKI
INTERNATIONAL PAPER
MONDI
NATUREWORKS LLC.
PLASTIPAK HOLDINGS INC.
SONOCO PRODUCTS CO.
STOELZLE GLASS GROUP
SMURFIT WESTROCK
SEALED AIR
TETRA PAK INTERNATIONAL S.A.