NAICS 339992

Overview

The North American Industry Classification System (NAICS) is the federal standard for grouping business establishments to produce consistent statistics about the U.S. economy. Developed by the Office of Management and Budget (OMB) with Canada and Mexico, NAICS replaced the SIC system in 1997 and is updated periodically; current U.S. statistical programs are transitioning to the 2022 vintage. ¹

NAICS 339992 covers establishments whose primary activity is manufacturing musical instruments (excluding toys). Official cross-references direct toy musical instruments to NAICS 339932. The 2022 NAICS Manual also indexes typical inclusions such as musical instrument strings and reeds. ²

What this NAICS covers

• Manufacture of complete, non-toy musical instruments as the primary activity of the establishment. ²
• Production of musical instrument strings (e.g., for violin, guitar, other instruments). ²
• Production of musical instrument reeds (e.g., for clarinet, saxophone). ²
• Excludes toy musical instruments, which are classified under NAICS 339932. ²
• Instrument cases are generally classified elsewhere (e.g., leather instrument cases under NAICS 316990). ²
• Retailing of instruments, sheet music, and supplies is outside manufacturing and is classified under NAICS 459140. ²

Related NAICS and PSC codes

Type	Code	Descriptor
NAICS	339932	Game, Toy, and Children’s Vehicle Manufacturing 2
NAICS	316990	Leather and Allied Product Manufacturing (e.g., musical instrument cases) 2
PSC	7710	Musical Instruments 3
PSC	7720	Musical Instrument Parts and Accessories 3

NAICS hierarchy for 339992

• Sector: 31–33 Manufacturing
• Subsector: 339 Miscellaneous Manufacturing
• Industry group: 3399 Other Miscellaneous Manufacturing
• National industry: 339992 Musical Instrument Manufacturing. ²

Small business size standard (SBA)

For NAICS 339992, SBA’s small business size standard is 1,000 employees (effective March 17, 2023). ⁴

Frequently asked questions

• What activities define NAICS 339992?
  Establishments primarily engaged in manufacturing musical instruments fall under this code; toy instruments are excluded and assigned to NAICS 339932. The NAICS index also lists common inclusions such as instrument strings and reeds. ²

• Are parts and supplies included under 339992?
  The NAICS index places musical instrument strings and reeds within 339992. Instrument cases may be classified under NAICS 316990. Classification depends on the establishment’s primary production activity. ²

• How does 339992 differ from retail codes?
  339992 covers manufacturing activities. Retailing new musical instruments, sheet music, and related supplies—often combined with repair, rental, or instruction—is classified under NAICS 459140. ²

• What is the small business threshold for this industry?
  SBA sets the small business size standard for NAICS 339992 at 1,000 employees, effective March 17, 2023. ⁴

• Which NAICS vintage is current for federal statistics?
  Census programs are implementing the 2022 NAICS vintage per the agency’s schedule, with major series (e.g., Economic Census) publishing on a 2022 basis. ⁵

Useful resources

• G2X — NAICS 339992 overview
• U.S. Census 2022 NAICS Manual (definitions, hierarchy, index entries including 339992, 316990, and 459140). ²
• Census guidance: NAICS codes and how NAICS is structured and used. ¹
• SBA Table of Small Business Size Standards (effective March 17, 2023). ⁴
• Census implementation timeline for NAICS 2022 (transition details and affected programs). ⁵

References

1. U.S. Census Bureau — Economic Census: NAICS Codes & Understanding Industry Classification Systems. https://www.census.gov/programs-surveys/economic-census/year/2022/technical-documentation/code-lists/understanding-naics-redirect.html
2. U.S. Census Bureau — 2022 NAICS Manual (definitions, hierarchy, index entries including 339992, 316990, and 459140). https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
3. Acquisition.gov — Product and Service Code (PSC) Manual, April 2024. https://www.acquisition.gov/sites/default/files/manual/PSC%20Manual%20April%202024.pdf
4. U.S. Small Business Administration — Table of Small Business Size Standards (effective March 17, 2023). https://www.sba.gov/sites/default/files/2023-06/Table%20of%20Size%20Standards_Effective%20March%2017%2C%202023%20%282%29.pdf
5. U.S. Census Bureau — Implementation of the 2022 NAICS (timeline and current vintage). https://www.census.gov/library/reference/code-lists/naics/2022/implementation-timeline.html