337910

Analysis

NAICS 337910 is the 2022 national industry for mattress manufacturing, part of 33791 (Mattress Manufacturing). Census lists 7 example activities under it in the official index.

County Business Patterns counts 385 US establishments in this code in 2023, employing 22,226 people at an average annual payroll of $53,249 per employee (22nd percentile of national industries). 23% 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 beds, sleep-system ensembles (i.e., flotation, adjustable)…, box springs, assembled, made from purchased spring, innerspring cushions manufacturing and mattresses (i.e., box spring, innerspring, noninnerspring)…, among 7 in all.

Its goods appear in 13 statistical lines of the US tariff schedule, mostly under headings 9404 (mattress supports; articles of bedding and similar…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.

For example, manufacturing individual wire springs are classified in 33261 (Spring and Wire Product Manufacturing) instead.

Census lists 2 related activities that belong elsewhere, most often in 33261 and 326. 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.