327992

Ground or Treated Mineral and Earth Manufacturing

Manufacturing › Nonmetallic Mineral Product Manufacturing › Other Nonmetallic Mineral Product Manufacturing

SBA Size Standard

600 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

32

Sector

Manufacturing

327

Subsector

Nonmetallic Mineral Product Manufacturing

3279

Industry Group

Other Nonmetallic Mineral Product Manufacturing

327992

National Industry (This Code)

Ground or Treated Mineral and Earth Manufacturing

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 calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.

✓ Small Business Eligibility at a Glance

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

Size Standard

600 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 327992

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:

Establishments primarily engaged in crushing, grinding, pulverizing, washing, screening, sizing, or otherwise beneficiating mined clays, ceramics and refractory, and other miscellaneous nonmetallic minerals are classified in Industry Group 2123, Nonmetallic Mineral Mining and Quarrying.

How to Use NAICS 327992 in SAM.gov

NAICS code 327992Ground or Treated Mineral and Earth Manufacturing — 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 Other Nonmetallic Mineral Product Manufacturing 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 600 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 327992.

Log in Entity Registration Goods & Services Add NAICS Code Enter 327992 Save

Frequently Asked Questions

What is NAICS code 327992?

NAICS code 327992 is 'Ground or Treated Mineral and Earth Manufacturing', classified under the Manufacturing sector (NAICS 32). This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneou

What is the SBA small business size standard for NAICS code 327992?

The SBA defines a small business under NAICS code 327992 (Ground or Treated Mineral and Earth Manufacturing) as one with 600 employees. 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 327992 in SAM.gov?

To register NAICS code 327992 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 327992 (Ground or Treated Mineral and Earth Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Other Nonmetallic Mineral Product Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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