NAICS 212311 - Dimension Stone Mining and Quarrying
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What is NAICS 212311
NAICS code 212311 covers establishments primarily engaged in developing mine sites and extracting dimension stone, which includes rough blocks and slabs of natural stone such as granite, marble, limestone, and sandstone. Businesses operating under this code focus on quarrying and mining stone suitable for architectural, decorative, and construction uses. These materials are essential for infrastructure projects, monuments, and public buildings, making this sector crucial in supplying high-quality natural stone products. Government agencies rely on dimension stone mining and quarrying to source materials for repair, restoration, and new construction projects that require durable and aesthetically appealing stone components. The industry supports government efforts in maintaining historical landmarks and constructing resilient public infrastructure.
Industry Classification for NAICS 212311
This U.S. industry comprises establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone).
Breakdown for NAICS 212311
- Focuses on mining and quarrying rough blocks and slabs of dimension stone.
- Includes extraction of granite, marble, limestone, sandstone, and similar stones.
- Covers development of mine sites for natural stone extraction.
- Subject to size standards based on number of employees or revenue.
- Supports construction, restoration, and infrastructure projects.
- Involves environmental and safety compliance in quarry operations.
Included Activities for NAICS 212311
- Developing and preparing quarry sites for dimension stone extraction.
- Mining and extracting rough blocks or slabs of natural stone.
- Processing and grading dimension stone for shipment.
- Supplying dimension stone for government infrastructure projects.
- Restoring and maintaining historic buildings with natural stone.
- Ensuring environmental compliance in quarry operations.
- Transporting dimension stone to construction or fabrication sites.
- Collaborating with architects and engineers on stone specifications.
Business Types for NAICS 212311
- Mining companies specializing in dimension stone extraction.
- Quarry operators producing architectural natural stone.
- Stone processing and fabrication firms.
- Construction material suppliers serving government projects.
- Restoration contractors using dimension stone.
- Environmental consulting firms supporting quarry compliance.
Subcategories for NAICS 212311
- Argillite mining or quarrying
- Basalt mining or quarrying
- Bluestone mining or quarrying
- Calcareous tufa mining or quarrying
- Diabase mining or quarrying
- Dimension stone mining or quarrying
- Diorite mining or quarrying
- Dolomite mining or quarrying
- Dolomitic marble mining or quarrying
- Flagstone mining or quarrying
- Gabbro mining or quarrying
- Gneiss mining or quarrying
- Granite mining or quarrying
- Greenstone mining or quarrying
- Limestone mining or quarrying
- Marble mining or quarrying
- Mica schist mining or quarrying
- Onyx marble mining or quarrying
- Quartzite dimension stone mining or quarrying
- Sandstone mining or quarrying
- Schist, mica, mining or quarrying
- Serpentine mining or quarrying
- Slate mining or quarrying
- Stone, dimension, mining or quarrying
- Syenite (except nepheline) mining or quarrying
- Trap rock mining or quarrying
- Travertine mining or quarrying
- Tufa, calcareous, mining or quarrying
- Verde' antique mining or quarrying
- Volcanic rock, mining or quarrying
Government Buyers for NAICS 212311
Government agencies such as the General Services Administration (GSA), Department of Transportation (DOT), National Park Service (NPS), and the Department of Defense (DoD) frequently procure dimension stone for use in federal buildings, monuments, roadways, and military facilities. These agencies require reliable supplies of natural stone for both new construction and restoration projects, ensuring that public properties maintain their structural integrity and historical authenticity. Additionally, state and local government entities purchase dimension stone for civic buildings, bridges, and public spaces, emphasizing durability and design in their infrastructure investments.
Contract Types & Procurement for NAICS 212311
Contracts in this sector typically include firm-fixed-price agreements for supplying dimension stone, task orders under indefinite delivery contracts for ongoing maintenance and restoration, and competitive bids for large-scale quarry development projects. Procurement methods often involve sealed bidding or negotiated procurements depending on project complexity and urgency. Contract values can vary widely, from smaller supply contracts worth tens of thousands of dollars to multimillion-dollar agreements for extensive quarry operations and specialized stone extraction services. Long-term contracts are common when sustaining supply for ongoing government infrastructure programs.
Details for NAICS 212311
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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