Crushed and Broken Limestone Mining and Quarrying

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

This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa) and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing).

NAICS code 212312 — Crushed and Broken Limestone Mining and Quarrying — 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 Nonmetallic Mineral Mining and Quarrying 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 750 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 212312.

What is NAICS code 212312?

NAICS code 212312 is 'Crushed and Broken Limestone Mining and Quarrying', classified under the Mining, Quarrying, and Oil and Gas Extraction sector (NAICS 21). This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock,

What is the SBA small business size standard for NAICS code 212312?

The SBA defines a small business under NAICS code 212312 (Crushed and Broken Limestone Mining and Quarrying) as one with 750 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 212312 in SAM.gov?

To register NAICS code 212312 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 212312 (Crushed and Broken Limestone Mining and Quarrying) to your NAICS code list. You may designate one code as your Primary NAICS code.