335921

Analysis

NAICS 335921 is the 2022 national industry for fiber optic cable manufacturing, part of 33592 (Communication and Energy Wire and Cable Manufacturing). Census lists 1 example activities under it in the official index.

Between 2018 and 2023 the number of establishments grew 38% and employment rose 24%. 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 Communication and Energy Wire and Cable Manufacturing, with 38% of them.

County Business Patterns counts 130 US establishments in this code in 2023, employing 8,325 people at an average annual payroll of $70,911 per employee (54th percentile of national industries). 42% of the establishments have fewer than five employees, which is close to the national mix.

Its goods appear in 1 statistical lines of the US tariff schedule, mostly under headings 8544 (insulated (including enameled or anodized) wire, cable…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.

For example, manufacturing unsheathed fiber optic materials are classified in 32721 (Glass and Glass Product Manufacturing) instead.