812191 — Diet and Weight Reducing Centers
Description
This U.S. industry comprises establishments primarily engaged in providing non-medical services to assist clients in attaining or maintaining a desired weight. The sale of weight reduction products, such as food supplements, may be an integral component of the program. These services typically include individual or group counseling, menu and exercise planning, and weight and body measurement monitoring.
Exclusions & Cross-References
- Operating physical fitness facilities--are classified in Industry 713940, Fitness and Recreational Sports
- Centers;
- Providing personal fitness training services without operating a fitness facility--are classified in Industry
- 812990, All Other Personal Services;
- Operating health resorts and spas that provide lodging--are classified in Industry 721110, Hotels (except
- Casino Hotels) and Motels; and
- Providing medical or surgical weight reduction--are classified in Sector 62, Health Care and Social
- Assistance.
Overview Facts
| NAICS Code | 812191 |
|---|---|
| Industry Title | Diet and Weight Reducing Centers |
| SBA Size Standard | $27,500,000 |
| IRS PBA Code | 812190 (rolled-up match) |
| Sectors Hierarchy | Sector 81 → 812 → 8121 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 7299 - Miscellaneous Personal Services, NEC (via SIC1987:7299→NAICS1997:812191→2002:812191→2007:812191→2012:812191→2017:812191→2022:812191)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 812191:
- Sector 81 Directory Hub — List of related industries in the Other Services (except Public Administration) sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 8121
Frequently Asked Questions (FAQ)
Is 812191 a valid 2022 NAICS code?
NAICS 812191 is 'Diet and Weight Reducing Centers', a 2022 U.S. national industry under Sector 81 (Other Services (except Public Administration)); the SBA small-business size standard is $27,500,000.
What is the SBA size standard for NAICS 812191?
The SBA small business size standard for NAICS 812191 is $27,500,000 (based on receipts).
What is the legacy SIC code mapping for 812191?
NAICS code 812191 maps to the legacy 1987 SIC codes: 7299 - Miscellaneous Personal Services, NEC.