US-based private equity firm Mason Wells has closed the acquisition of Mullinix Packages, a sustainable packaging solutions provider in the US.

Mason Wells senior managing director Tom Smith said post acquisition, Mullinix is now owned by Mason Wells and will work together to support the company's growth initiatives, bizjournals.com reported.

Mason Wells has not disclosed the terms of the transaction.

Mullinix Packages manufactures thermoformed packaging for the food industry and produces custom and stock trays, clamshells, lids and cups for food processing, food service and retail markets.

Mason Wells is an active private equity investor in companies with revenues of $25m to $300m.