v3.26.1
Revenues
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Revenues Revenues
Revenue Recognition
AdvanSix serves approximately 375 customers annually, primarily in the United States, spanning a wide variety of industries worldwide. For the three months ended June 30, 2026 and 2025, the Company's ten largest customers accounted for approximately 36% and 43% of total sales, respectively. For the six months ended June 30, 2026 and 2025, the Company's ten largest customers accounted for approximately 36% and 39% of total sales, respectively.

We typically sell to customers under master service agreements, with primarily one-year terms, or by purchase orders. We have historically experienced low customer turnover and have long-standing customer relationships, which span decades. Our largest customer is Shaw Industries Group, Inc. (“Shaw”), a significant consumer of caprolactam and Nylon 6 resin, to whom we sell under a long-term agreement. For the three months ended June 30, 2026 and 2025, the Company's sales to Shaw were 8% and 9% of our total sales, respectively. For each of the six months ended June 30, 2026 and 2025, the Company's sales to Shaw were 9% of our total sales.

The Company's revenue by product line, and related approximate percentage of total sales, for the three and six months ended June 30, 2026 and 2025 were as follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Nylon$100,218 24%$79,503 20%$188,685 23%$167,871 21%
Caprolactam62,644 15%66,424 16%130,413 16%133,856 17%
Plant Nutrients131,439 31%156,770 38%272,074 33%285,011 36%
Chemical Intermediates126,983 30%107,325 26%234,296 28%201,075 26%
Total$421,284 100%$410,022 100%$825,468 100%$787,813 100%

The Company's revenues by geographic area, and related approximate percentage of total sales, for the three and six months ended June 30, 2026 and 2025 were as follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
United States$354,322 84%$358,671 87%$690,319 84%$679,118 86%
International*66,962 16%51,351 13%135,149 16%108,695 14%
Total$421,284 100%$410,022 100%$825,468 100%$787,813 100%
* Predominantly Latin America, Europe, Middle East and Africa (EMEA) and Canada.
Deferred Income and Customer Advances
The Company defers revenues when cash payments are received in advance of our performance. Below is a roll-forward of Deferred income and customer advances for the six months ended June 30, 2026:
Opening balance January 1, 2026$14,536 
Additional cash advances— 
Less amounts recognized in revenues(12,556)
Ending balance June 30, 2026$1,980 
The Company expects to recognize as revenue the June 30, 2026 ending balance of Deferred income and customer advances which are predominantly driven by our ammonium sulfate pre-buy program, within one year or less.