22 February 2026
Disclaimer: This is a simplified summary of a public company filing. See full disclaimer here.
AdvanSix Inc.
CIK: 1673985•1 Annual Report•Latest: 2026-02-20
10-K / February 20, 2026
AdvanSix Inc.
Company profile
- Delaware corporate spin-off from Honeywell, completed October 1, 2016.
- Integrated chemistry company producing materials for diverse end markets.
- Headquarters: Parsippany, New Jersey.
- Five U.S. manufacturing sites: Frankford, PA; Hopewell, VA; Chesterfield, VA; Portsmouth, VA; Bucks, AL.
Core product lines and end markets
- Nylon Solutions
- Produces Nylon 6 resin sold globally under the Aegis® brand.
- Caprolactam, the key monomer for Nylon 6, is produced at Hopewell from phenol (sourced from Frankford) with natural gas and sulfur inputs.
- Plant Nutrients
- Primary product: ammonium sulfate fertilizer, produced as part of the integrated operation at Hopewell.
- Sulfuric acid, ammonia and carbon dioxide are also produced in the same integrated operation.
- Granular ammonium sulfate expansion under the SUSTAIN program, targeting conversion of about 75% of ammonium sulfate production to granular form by the end of 2026.
- Chemical Intermediates
- Products include acetone (about 59% of chemical intermediates sales in 2025), phenol, AMS, cyclohexanone, oximes, cyclohexanol, and various alkyl- and specialty amines.
- These intermediates are used for solvents, resins, coatings, packaging, agrochemicals, water treatment, and pharmaceutical applications.
Brands and technology
- Nylon 6 resin: Aegis®
- Ammonium sulfate: Sulf-N®
- Other intermediates: Nadone®, Naxol®, EZ-Blox®
- Focus on specialized, high-purity and differentiated nylon products, including 100% post-industrial and post-consumer recycled nylon.
Scale and operations
- One operating segment and five U.S.-based manufacturing sites.
- Vertical integration across major feedstocks (cumene, phenol, ammonia, sulfur, natural gas) supporting production of caprolactam, Nylon 6 resin, ammonium sulfate, and intermediates.
- Integrated value chain and logistics enable intra-plant supply and global distribution; Hopewell includes a dock and loading facility for ocean freight.
- 86% of sales are U.S.-based; international sales were $212 million in 2025 (compared with $213 million in 2024 and $284 million in 2023).
Customers and concentration
- Serves approximately 375 customers annually.
- Top 10 customers accounted for about 40% of total sales in 2025.
- Largest customer: Shaw Industries Group Inc., representing 10% of total sales in 2025 and 2024 (11% in 2023). Shaw purchases caprolactam and Nylon 6 resin under long-term agreements.
Financial highlights (2025 reference)
- 2025 total sales: $1,522 million
- 2025 net income: $49 million
- 2024 total sales: $1,518 million; net income: $44 million
- 2023 total sales: $1,534 million; net income: $55 million
- 2025 product-line sales:
- Plant Nutrients: $564 million (37% of total)
- Nylon (Nylon 6 resin): $310 million (20%)
- Caprolactam: $271 million (18%)
- Chemical Intermediates: $377 million (25%)
- 2025 international sales: $212 million
Employment
- As of December 31, 2025: approximately 1,410 employees
- 560 salaried; 850 hourly
- About 720 employees covered by collective bargaining agreements expiring 2028–2029 (roughly 51% of the workforce)
Strategic and operational focus
- Drive through-cycle profitability through vertical integration and high plant utilization.
- Diversified portfolio across Nylon, ammonium sulfate, and intermediates to reduce cyclicality.
- Expand value-added offerings and granular ammonium sulfate production.
- Prioritize safety, integrity, accountability and respect; invest in automation, process improvements, and supply chain resilience.
- R&D and intellectual property efforts focused on process improvements, new product applications, and protection of trade secrets and key brands.
Regulation and risk
- Operations depend on permits and environmental compliance and are exposed to regulatory changes, climate-related factors, and trade policy shifts.
- Maintains a commitment to safety, Responsible Care®, and cybersecurity as part of ongoing risk management.
