The ROCKWOOL Group is the world’s leading manufacturer of stone wool insulation. We offer a full range of high-performing and ... sustainable insulation products for the building construction industry. With 4 factories (Milton, Ontario, Canada, Grand Forks, British Columbia, Canada, Marshall County, Mississippi, USA and Jefferson County, West Virginia, USA) and 800 employees, we are the North American organisation offering advanced building insulation as well as industrial and technical solutions. Our insulation products are based on innovative stone wool technology and today we are the world’s leading manufacturer of stone wool insulation. The ROCKWOOL group also includes a range of sister companies delivering specialist solutions for the horticultural, marine and offshore sectors. We are committed to empowering everyone to rise to the development challenges of modern living. By using stone, one of the world's most abundant natural resources, you can make a lasting impact across generations. From classrooms to stadiums, land to landmarks, people need spaces not only to dream big, but to act on those dreams, making the world a better place for everyone. This commitment is set in stone. read more