Learning Materials Life jacket - Company In the programme, Seymour Powell work to design a better life jacket with Crewsaver, the world’s largest manufacturer of ferry life jackets. Crewsaver has been producing life jackets and marine safety equipment for more than 40 years. Based at Gosport, the company sells over 40,000 jackets a year. Its products are in use worldwide and the leisure, commercial and military markets have adopted many of its designs as standard. Crewsaver now forms part of Cosalt Plc, a company with roots in the fishing industry. Cosalt Plc, which was founded in 1873 as the Great Grimsby Coal, Salt and Tanning Company, is a diversified business operating in many different markets and is the largest marine safety company in Europe. Continuous development and investment in technology, production processes and new products ensure that the Crewsaver range meets the highest quality standards. For this reason Crewsaver was one of the first companies to have its life jackets, buoyancy aids, harnesses and safety lines CE Approved. Meeting safety standards is a big issue in its industry.