NAICS 212313 - Crushed and Broken Granite Mining and Quarrying
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What is NAICS 212313
NAICS code 212313 covers businesses engaged in the mining, quarrying, and beneficiation of crushed and broken granite, including related rock types such as gneiss, syenite (excluding nepheline), and diorite. Establishments in this sector develop mine sites, extract granite materials, and operate preparation plants that process raw granite by grinding or pulverizing to create usable construction and industrial aggregates. These materials are essential for infrastructure, construction, and manufacturing projects that require durable stone products. Government agencies contract with firms in this sector to secure reliable sources of high-quality granite for federal, state, and local construction projects, including roads, buildings, and monuments. The sector plays a critical role in supporting public works and defense infrastructure development.
Industry Classification for NAICS 212313
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, and/or mining or quarrying crushed and broken granite (including related rocks, such as gneiss, syenite (except nepheline), and diorite) and (2) preparation plants primarily engaged in beneficiating granite (e.g., grinding or pulverizing).
Breakdown for NAICS 212313
- Focuses on mining and quarrying of crushed and broken granite and related rocks.
- Includes preparation plants that beneficiate granite by grinding or pulverizing.
- Supports construction and infrastructure projects requiring durable stone materials.
- Subject to SBA size standards for small business government contracting.
- Commonly involves long-term supply and delivery contracts for government agencies.
Included Activities for NAICS 212313
- Developing and preparing mine sites for granite extraction.
- Mining and quarrying crushed and broken granite and similar rock types.
- Operating beneficiation plants to grind or pulverize granite.
- Supplying crushed granite for use as construction aggregate and road base.
- Ensuring quality control and compliance with government material specifications.
- Coordinating logistics and delivery of granite materials to government project sites.
- Conducting site reclamation and environmental compliance activities.
Business Types for NAICS 212313
- Mining and quarrying companies specializing in granite extraction.
- Aggregate preparation and beneficiation plants.
- Small and medium-sized enterprises qualifying as small businesses.
- Construction materials suppliers serving government infrastructure projects.
- Environmental and reclamation service providers linked to mining operations.
Subcategories for NAICS 212313
- Diorite crushed and broken stone mining and/or beneficiating
- Gneiss crushed and broken stone mining and/or beneficiating
- Granite beneficiating plants (e.g., grinding or pulverizing)
- Granite crushed and broken stone mining and/or beneficiating
- Riprap, granite, mining or quarrying
- Riprap, granite, preparation plants
- Syenite (except nepheline) crushed and broken stone mining and/or beneficiating
Government Buyers for NAICS 212313
Government agencies such as the Department of Transportation, the U.S. Army Corps of Engineers, the General Services Administration, and state departments of transportation are primary buyers of crushed and broken granite. These agencies require granite for road base materials, concrete aggregate, erosion control, and building foundations in public infrastructure projects. Additionally, the Department of Defense and other federal entities may procure granite products for military base construction, facility maintenance, and specialized engineering applications. Reliable supply and material quality are crucial for meeting project specifications and maintaining public safety standards.
Contract Types & Procurement for NAICS 212313
Contracts in this sector often include fixed-price agreements for the delivery of specified quantities of crushed granite materials, as well as indefinite delivery/indefinite quantity (IDIQ) contracts to provide flexibility in procurement volumes. Government procurement methods may involve competitive bidding, requests for proposals (RFPs), or simplified acquisition procedures for smaller orders. Contract values widely vary depending on project size, ranging from tens of thousands to multiple millions of dollars, especially for large-scale infrastructure developments. Long-term supply contracts are common to ensure consistent availability of materials throughout project durations.
Details for NAICS 212313
Explore the hierarchy and related codes for this industry
| NAICS Code | Industry Title |
|---|---|
| 21231 | Stone Mining and Quarrying |
| 2123 | Nonmetallic Mineral Mining and Quarrying |
| 212 | Mining (except Oil and Gas) |
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