Mersey Marine Limited, formerly known as STENPRO, is a multi-disciplined specialty fabrication and ship repair facility located in Liverpool, Nova Scotia. Established in the early 1900s as Thompson Bros. Machinery Co. Ltd., the company was acquired by Mersey Seafoods Limited in 2005 and rebranded as Mersey Marine Limited in 2023. The facility offers a comprehensive range of services, including hull repairs, engine overhauls, electrical and mechanical work, as well as blasting and painting. Mersey Marine is a participant in Green Marine, the leading voluntary environmental certification program for North America's maritime industry.