History & Milestones

AmSty is formed through the joint venture between Chevron Phillips Chemical Company (CPChem) and The Dow Chemical Company (Dow). Many employees from the original parent companies are still with AmSty today – which is a testament to AmSty’s mission, vision, values and company culture. Dow ownership is transferred to Trinseo (formerly Styron) in 2010.

The PolyRenew® brand of resin is launched as the first post-consumer recycled polystyrene product with FDA approval for foodservice in the United States.

PolyRenew® resins are first used in recycled foam containers.

AmSty commits to ACC as a charter member of their new alliance, focused on innovation and circularity for the plastics industry.

Construction is completed on the deep-water dock in St. James, Louisiana, providing AmSty’s styrene facility along the Mississippi River the capability to load and unload large oceangoing vessels.

infrastructure as a founding member of the Foodservice Packaging Institute’s Foam Recycling Coalition.

Major polystyrene plant modernization is completed with upgraded process control systems.

AmSty is recognized by the ACC for their commitment to safety, achieving top quartile safety performance as measured against ACC peers.

AmSty forms Regenyx, a joint venture with Agilyx, to commercialize an innovative circular recycling process that breaks down polystyrene into its original raw material. It can then be used to make products with the same quality and durability as the original polystyrene. AmSty’s long-term vision is that polystyrene products should be reclaimed, reprocessed and reused again and again.

AmSty receives the ACC Sustainability Leadership Award for the success in circular polystyrene recycling through Regenyx.

Our Regenyx facility is our first facility to become International Sustainability and Carbon Certified (ISCC) PLUS certified, along with our plants in St. James, Louisiana, and Hanging Rock, Ohio. The ISCC PLUS recognition is the global gold standard for sustainable practices.

AmSty expands the PolyRenew® brand resin line with the launch of additional high efficiency products.

AmSty recycles more than 20 million pounds of polystyrene, keeping 2 billion 16 oz. cups out of the landfill.

AmSty becomes a founding member of Cyclyx, a post-use plastic feedstock management company.

AmSty’s Allyn's Point plant is the most recent site to achieve ISCC Plus recognition. Five of our facilities are now ISCC Plus certified.

Marietta, Ohio, facility attains 1 million safe work hours.

AmSty sells the first PolyRenew® certified recycled polystyrene to customers, paving the way for a new, sustainable circular solution in the industry.

AmSty recycles more than 30 million pounds of polystyrene.

We are proud to have completed a five-year proof-of-concept pilot project with Regenyx, a joint venture between AmSty and Agilyx, which demonstrates that the technology to recycle used polystyrene works.

AmSty sells the first PolyRenew® certified recycled styrene to customers, paving the way for a new, sustainable circular solution in the industry.

AmSty partnered with industry leaders to launch the Polystyrene Recycling Alliance (PSRA). PSRA works collaboratively to improve collection and recycling of all types of polystyrene.

AmSty receives the GE Distinguished Supplier Award. Selected from hundreds of partners, AmSty was recognized as a top-tier supplier for its exceptional performance across innovation, productivity, quality and supply chain management.

Our vision for circularity is that materials should be reclaimed, reprocessed and used again and again.