812191

Diet and Weight Reducing Centers

Other Services (except Public Administration) › Personal and Laundry Services › Personal Care Services

SBA Size Standard

$27.5M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

81

Sector

Other Services (except Public Administration)

812

Subsector

Personal and Laundry Services

8121

Industry Group

Personal Care Services

812191

National Industry (This Code)

Diet and Weight Reducing Centers

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$27.5M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 812191

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

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.

How to Use NAICS 812191 in SAM.gov

NAICS code 812191Diet and Weight Reducing Centers — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Personal Care Services space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $27.5M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 812191.

Log in Entity Registration Goods & Services Add NAICS Code Enter 812191 Save

Frequently Asked Questions

What is NAICS code 812191?

NAICS code 812191 is 'Diet and Weight Reducing Centers', classified under the Other Services (except Public Administration) sector (NAICS 81). 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,

What is the SBA small business size standard for NAICS code 812191?

The SBA defines a small business under NAICS code 812191 (Diet and Weight Reducing Centers) as one with $27.5M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 812191 in SAM.gov?

To register NAICS code 812191 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 812191 (Diet and Weight Reducing Centers) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Personal Care Services

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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