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Here at Johns Manville, we build on decades of experience to manufacture commercial roofing, premium-quality insulation and a variety of engineered products for our customers. We are proud to be part of Berkshire Hathaway, one of the most respected companies in the world. Our values of People, Passion, Perform and Protect drive the way we work as we strive to deliver positive and powerful JM Experiences to our employees and to our customers. Our company is based in Denver, Colo., where you will also find our global research and development facilities. With over 7,000 employees and 43 manufacturing and sales locations across North America, Europe and China, we serve customers in over 80 countries. Our employees are united across business functions and work globally with other JM employees.
Valtir is a company that has been an industry leader and global supplier of highway safety products for over 50 years. Their core roadway product lines include guardrail, end terminals, cable and steel longitudinal barriers, crash cushions, truck and t...
Offering Solutions to your Contracting Needs
The Stewart Companies handle the entire range of construction services, from the production of raw and finished aggregate products, to land development.
Engine production averages 10 million units per year as of April 2015.