AdvanSix Inc (NYSE: ASIX) is a chemical manufacturing company that produces and sells Nylon 6 resin, caprolactam, and ammonium sulfate fertilizer from a single integrated manufacturing site in Hopewell, Virginia. Revenue is transactional, generated by selling these three product lines to industrial customers, fertilizer distributors, and farm cooperatives. The Hopewell facility is described in the FY2025 10-K (filed 2026-02-20) as one of the world's largest single-site producers of caprolactam and the world's largest single-site producer of ammonium sulfate fertilizer as of December 31, 2025. Nylon 6 resin is sold globally under the Aegis brand, with end markets spanning carpets, automotive and electric components, sports apparel, food packaging, and other industrial applications. Caprolactam not consumed internally is sold to customers who manufacture polymer resins, fibers, and nylon products. Ammonium sulfate fertilizer is sold primarily to North American and South American distributors, farm cooperatives, and retailers. The integrated nature of the Hopewell facility ties all three product lines together through shared upstream chemistry.

Revenue model

Transactional product sales across three lines: Nylon 6 resin (sold globally under the Aegis brand), caprolactam (sold to external polymer and fiber manufacturers), and ammonium sulfate fertilizer (sold to agricultural distributors, farm cooperatives, and retailers, primarily in North America and South America). No subscription or licensing revenue structure is disclosed in the filing excerpts.

Products and services

Aegis Nylon 6 Resin (polymer used in fibers, engineered plastics, films, and filaments); caprolactam (monomer feedstock for Nylon 6, sold externally when not consumed internally); ammonium sulfate fertilizer (nitrogen and sulfur fertilizer derived from integrated Hopewell operations).

Customers and end markets

Nylon 6 resin customers produce carpets, automotive and electric components, sports apparel, food packaging, and industrial goods. Caprolactam customers manufacture polymer resins, fibers, compounds, and nylon products. Ammonium sulfate customers are agricultural distributors, farm cooperatives, and retailers in North America and South America.

Value-chain role

Vertically integrated chemical manufacturer. Produces caprolactam internally and polymerizes it into Nylon 6 resin, while also selling excess caprolactam externally. Ammonium sulfate is a co-product of the integrated Hopewell manufacturing process. Sits between raw material suppliers and downstream industrial and agricultural customers.

Geographic exposure

Nylon 6 resin sold globally. Ammonium sulfate sold primarily to North American and South American markets. Single manufacturing site in Hopewell, Virginia.

Source: SEC 10-K, filed 2026-02-20

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