Medici List crest
Disclaimer: This is a simplified summary of a public company filing. See full disclaimer here.

AdvanSix Inc.

CIK: 16739851 Annual ReportLatest: 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.