Octink, which is the only display signage company recognised on the green companies list, has long championed a recycling process for old display substrates and materials.
The company offers a closed loop production process and cites the need to recover, recycle and reuse materials.
Speaking to the website BrentfordTW8.com, Will Tyler, chief executive ay Octink, said the company was "delighted" to be ranked fifth greenest manufacturer in the list.
"Our green ethos at Octink is long established and we are fully committed to pushing the boundaries even further," he added.
Wide-format specialist Octink features in Sunday Times green companies list
Wide-format display and signage printer Octink has been named in The Sunday Times Best Green Companies list for the third year running.
