For the past three weeks Nisa-Today's has collected cardboard and plastic from member's stores around the M25 and sent it back to Harlow for recycling.
Waste filling 1,736 cages has been taken from 155 stores to date, said Nisa distribution director Jonathan Stowe. The scheme was extended to all members served from Harlow this week and will be phased in at the Stoke depot from next month.
"We have received excellent feedback from Nisa members," Stowe said. "We intend to eventually offer this service to all Nisa members, significantly benefiting both members and the environment."
Vim Odedra, whose Nisa Local store in Hayes is part of the scheme, said: "From talking to my customers it is clear they really appreciate stores that are kind to the environment. They were very pleased we are participating in this."
The scheme is the latest green initiative from Nisa. Last week the buying group brought in an option for members to receive all communications in electronic format.
Members that choose this option can save more than 75% of their annual membership fees a saving of £2,500.