USFibers Receives Strategic Investment from Glisco Partners

The company plans to use the funds to increase production, improve technology and efficiency, enter new markets, and strengthen long-term relationships with customers and suppliers.

USFibers is the largest vertically integrated recycler and producer of polyester staple fiber in the United States, turning post-industrial and post-consumer PET waste into high-quality fiber and helping reduce landfill waste. It serves industries such as automotive, filtration, and geotextiles with customized products, strong technical expertise, and long-term customer relationships.

This investment support's USFibers next stage of growth. It strengthens its focus on reliability, innovation and strong partnerships, while also reinforcing it's commitment to sustainable materials and delivering high quality solutions for its customers.

USFibers will continue to be led by its current management team, led by Teddy Oh, focusing on maintaining its strong culture, operational excellence, and long-term customer relationships.

As the Circularity Gap Report 2025 shows that only 6.9% of global materials come from recycled sources, this investment helps USFibers meet growing demand for sustainable, high-performance fiber products while continuing to provide reliable quality and service to its partners.

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“We are excited to partner with Glisco and OIC as we build on the strong foundation we’ve established over the past three decades,” said Teddy Oh, CEO of USFibers. “This investment strengthens our capacity, broadens our capabilities, and allows us to continue delivering high quality, customized solutions to our customers. Just as importantly, it positions us to be an even stronger long term partner to our employees, suppliers, and customers.”

Alfredo Castellanos, Managing Partner of Glisco Partners, mentioned that “Glisco is thrilled to partner with Teddy and the rest of the USFibers team, supporting their business vision and growth plans. We look ahead to working alongside Teddy and OIC to create long-term value for stakeholders; our investors will have exposure to an outstanding business model led by a highly proficient management team.”

“We look forward to this partnership, supporting USFibers’ expansion in a market with a growing demand for recycled polyester and high-value-add applications,” added Ethan Shoemaker, Investment Partner and Head of Infra Credit at OIC. “For the company’s customers and suppliers, our investment means greater opportunities and a stronger and more resilient supply chain going forward.”

About USFibers

USFibers is a leading recycler and producer of polyester staple fiber, using an integrated system to turn recycled PET into high quality fiber products. It serves industries such as automotive, flooring, home furnishings, industrial goods, filtration and textiles and is known for its strong technical expertise and long term customer relationships.

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