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Wynnchurch Capital Invests in Foss Manufacturing

Wynnchurch Capital, Ltd. (“Wynnchurch”), a leading middle-market private equity firm, announced a growth equity investment into Foss Manufacturing Company, LLC (“Foss”), a leading manufacturer of specialty engineered fibers. Headquartered in Hampton, NH, Foss has developed innovative non-woven, environmentally friendly and anti-microbial fiber solutions for a wide variety of industries and applications including automotive, commercial, residential, municipal/civil, craft/hobby, marine and medical.

“With the support of Wynnchurch, Foss is well positioned to succeed on our strategic growth plan and continue to deliver innovative and responsive solutions to help our customers grow. Our management team is looking forward to partnering with Wynnchurch to continue to grow our business.” said Foss CEO AJ Nassar.

John Hatherly, President of Wynnchurch stated "We look forward to partnering with AJ Nassar and his team to support the Company’s growth plans and continue its long history of innovation and technical leadership."

Foss Manufacturing Company, LLC is a leading innovator and pioneer in the specialty fibers, non-woven and needle-punch fabrics industry providing a wide variety of fiber solutions from raw fiber to finished fabrics for a wide variety of industries and applications.  With a history of innovation spanning 58 years, Foss has achieved many industry firsts and developed several proprietary technologies. Its latest breakthroughs include FOSSHIELD®, an antimicrobial fabric technology that is safe, natural and effective and Eco-fi, a high-quality textile fiber made from UL certified recycled non-BPA post plastic bottles. Foss’ umbrella also includes the well-known industry brands The Kunin™ Group, manufacturer of felt and fabric for the crafting market, and Ozite®, manufacturer of specially engineered fabrics for specific consumer, commercial and industrial applications. With headquarters and manufacturing facilities in Hampton, New Hampshire, all Foss products are proudly made in the USA. For more information, please visit:

Wynnchurch Capital, Ltd. headquartered in the Chicago suburb of Rosemont, Illinois with offices in Dallas, Detroit and Toronto, and an affiliate office in Montreal, was founded in 1999 and is a leading middle-market private equity investment firm. Wynnchurch's strategy is to partner with middle market companies in the United States and Canada which have outstanding management teams and possess the potential for substantial growth and profit improvement. Wynnchurch focuses on investments in niche manufacturing, business and industrial services, energy and power services, logistics, transportation and value-added distribution.  Wynnchurch manages a number of private equity funds with capital under management in excess of $1 billion specializing in management buyouts, recapitalizations, corporate carve-outs, restructurings and growth capital. For more information, please visit:

For further information, please contact:

John Hatherly
Wynnchurch Capital, Ltd.
Tel.: (847) 604-6102

Neel Mayenkar
Vice President
Wynnchurch Capital, Ltd.
Tel.: (847) 604-6109

AJ Nassar
Chief Executive Officer
Foss Manufacturing Company, LLC
Tel.: (954) 600-7418

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