Greenfiber manufactures cellulose insulation for homes and agricultural structures. The company says it operates 12 manufacturing plants across the United States and Canada and serves homeowners, contractors, and builders; its listed plant communities range from Tampa, Florida, to Debert, Nova Scotia.
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Johns ManvilleWith 44 manufacturing facilities across North America and Europe, Johns Manville manufactures insulation, commercial roofing systems, fiberglass and technical nonwovens for commercial, industrial and residential applications. Its Engineered Products business also supplies the often-unseen fiberglass and nonwoven materials that become part of customers’ products in fields ranging from construction and filtration to automotive and infrastructure. Headquartered in Denver, Johns Manville is a Berkshire Hathaway company.TUCSON, AZ
CreaFill Fibers CorpSince 1994, CreaFill Fibers Corp. has built its reputation on making natural cellulose fibers more consistent through proprietary dry milling. The Chestertown, Maryland, manufacturer serves companies that use these ingredients in food and filtration, as well as industrial applications. Its quality system has held ISO 9001 certification for more than two decades, with food-safety processes certified under BRCGS.CHESTERTOWN, MD
Weather Blanket InsulationWeather Blanket Insulation is a manufacturer of cellulose insulation based in Wisconsin, serving the Midwest since 1977. The company produces insulation from up to 85% post-consumer recycled newspapers and borate fire retardants, offering products for homeowners, builders, architects, and general contractors.RIDGWAY, PA
American Wood Fibers, IncFamily-owned since 1966, American Wood Fibers manufactures specialty forestry products including animal bedding, wood flour, fuel pellets and potting materials for consumer, agricultural and industrial markets. Founded as a single mill in Jessup, Maryland, the company now operates 11 manufacturing sites, produces more than 15 million bales of wood shavings annually and helped pioneer small-animal bedding in 1984. Still led by the founding family in its fourth generation, AWF also provides private-label manufacturing, toll processing and wood-fiber recovery services.CIRCLEVILLE, OH