335991

Analysis

NAICS 335991 is the 2022 national industry for carbon and graphite product manufacturing, part of 33599 (All Other Electrical Equipment and Component Manufacturing). Census lists 19 example activities under it in the official index.

County Business Patterns counts 179 US establishments in this code in 2023, employing 9,844 people at an average annual payroll of $77,595 per employee (65th percentile of national industries). 27% of the establishments have fewer than five employees, which is close to the national mix.

Between 2018 and 2023 the number of establishments grew 13% and employment rose 9%. The 2018 count used NAICS 2017, so part of a large move can come from codes being redefined rather than from businesses opening or closing.

By establishments it ranks 2nd of the 2 codes at this level within All Other Electrical Equipment and Component Manufacturing, with 17.8% of them.

Its index entries, the activities Census uses to assign businesses to this code, include brush blocks, carbon or molded graphite, manufacturing, brushes and brush stock contacts, electric, carbon and…, brushplates, carbon or graphite, manufacturing and carbon electrodes and contacts, electric, manufacturing, among 19 in all.

Its goods appear in 16 statistical lines of the US tariff schedule, mostly under headings 8545 (carbon electrodes, carbon brushes, lamp carbons, battery…), 6815 (articles of stone or of other mineral substances (including…) and 3801 (artificial graphite; colloidal or semi-colloidal graphite…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.