Hollingsworth & Vose manufactures advanced filtration materials and battery separators, with company origins dating to 1728 in Massachusetts. Family-owned for seven generations, it now operates 13 manufacturing sites and nine research sites across the Americas, Europe, China, and India. Its long-standing work includes paper and nonwoven materials for filtration and energy storage.
ASHRAE 52.2 MERV 11, 13, 15, and 16
AS9100D
American Felt & Filter CompanyFamily-owned since 1899, American Felt & Filter Company is a Hudson Valley textile manufacturer with a history rooted in America’s early felt-making industry. The company designs and makes technical felt and filtration products for industrial and aerospace applications, drawing on its 2017 merger with Bacon Boston Felt Co., whose Bacon Felt predecessor was founded in 1825.NEW WINDSOR, NY
Monadnock Non-Wovens LLCMonadnock Non-Wovens LLC manufactures meltblown nonwoven materials for technical markets and has more than 25 years of manufacturing experience. Founded by Monadnock Paper Mills, which was established in 1819 in Bennington, New Hampshire, the company designs and makes its own fiber-production equipment and manufacturing lines. Its Mount Pocono facility operates seven meltblown lines and supplies roll and sheet goods to converters around the world.MOUNT POCONO, PA
HAVER & BOECKER Wire Weaving IncFounded in 1887 by Carl Haver and Eduard Boecker, HAVER & BOECKER Wire Weaving Inc. manufactures precision woven wire mesh, filters and particle-analysis equipment. The company remains family-owned and brings more than 138 years of weaving experience to engineered solutions, including custom-fabricated components and architectural mesh. Its North American operation also carries forward the W.S. Tyler name, whose test-sieve work helped establish the basis for modern particle-size standards.MENTOR, OH
MANN+HUMMELFounded in Ludwigsburg in 1941, MANN+HUMMEL is an owner-led family business that manufactures filtration products and develops filtration solutions for mobility, air, water, and industry. The company reports more than 20,000 employees and over 80 sites across six continents, and describes its filter media as key to its filtration expertise.ALLENTOWN, PA