> Square Basic Industrial Chemicals Co. (L.L.C) Since: 1997 Square Basic Industrial Chemicals Co. (L.L.C)
> Accord International Building Materials Co.(L.L.C) Since: 2002 Accord International Building Materials Co.(L.L.C)
> Green World Building Materials Trading Co (L.L.C) Since: 2001 Green World Building Materials Trading Co (L.L.C)
> Front Line Building Materials Trading Co. (L.L.C) Since: 1996 Front Line Building Materials Trading Co. (L.L.C)
