NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
621320
NAICS 621320 — Offices of Optometrists
Offices of Optometrists
NAICS 621320 is the national industry code for offices of optometrists establishments in the United States. The Small Business Administration sets a size standard of $9.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: $9.0
View full SBA standard
Official Inclusions
- provision of services by an optician, such as selling and fitting prescription eyeglasses and contact lenses
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- prescription eyeglass and contact lens selling and fitting (See 456130 Optical goods retailers (US))
Complete Index of Activities (3 recognized activities) ▼
optometrists clinics
optometrists, offices and clinics of
provision of services by an optician, such as selling and fitting prescription eyeglasses and contact lenses
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
SBA size standard description
Offices of Optometrists
Changes to receipts-based standard: [object Object]