326140

Analysis

NAICS 326140 is the 2022 national industry for polystyrene foam product manufacturing, part of 32614 (Polystyrene Foam Product Manufacturing). Census lists 14 example activities under it in the official index.

County Business Patterns counts 425 US establishments in this code in 2023, employing 28,573 people at an average annual payroll of $58,745 per employee (31st percentile of national industries). 15% of the establishments have fewer than five employees, which points to larger operations.

Its index entries, the activities Census uses to assign businesses to this code, include coolers or ice chests, polystyrene foam, manufacturing, cups, polystyrene foam, manufacturing, dinnerware, polystyrene foam, manufacturing and foam polystyrene products manufacturing, among 14 in all.

For example, manufacturing plastics foam products (except polystyrene) are classified in 326150 (Urethane and Other Foam Product (except Polystyrene) Manufacturing) instead.

Census lists 1 related activities that belong elsewhere, most often in 326150. 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.