311221

Analysis

NAICS 311221 is the 2022 national industry for wet corn milling and starch manufacturing, part of 31122 (Starch and Vegetable Fats and Oils Manufacturing). Census lists 28 example activities under it in the official index.

County Business Patterns counts 70 US establishments in this code in 2023, employing 7,467 people at an average annual payroll of $105,162 per employee (86th percentile of national industries). 10% of the establishments have fewer than five employees, which points to larger operations.

By establishments it ranks 3rd of the 3 codes at this level within Starch and Vegetable Fats and Oils Manufacturing, with 19% of them.

Census lists 6 related activities that belong elsewhere, most often in 311225, 311999, 111998 and 311211. Businesses that do several things are classified by their primary activity, the one that generates the most value, so check those boundaries before settling on this code.

Its index entries, the activities Census uses to assign businesses to this code, include corn dextrin manufacturing, corn gluten feed manufacturing, corn gluten meal manufacturing and corn oil cake and meal manufacturing, among 28 in all.

Its goods appear in 39 statistical lines of the US tariff schedule, mostly under headings 1702 (other sugars, including chemically pure lactose, maltose…), 1108 (starches; inulin) and 3505 (dextrins and other modified starches (for example…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.