NAICS 21311 - Support Activities for Mining
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Related NAICS Codes for NAICS 21311
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What is NAICS 21311
NAICS code 21311 covers establishments primarily engaged in providing support activities for mining operations, excluding geophysical surveying and mapping, mine site preparation, construction, and transportation. This industry focuses on contract or fee-based services essential for the extraction and quarrying of minerals, oil, and gas. Companies in this sector offer specialized services such as drilling, taking core samples, and conducting geological observations at prospective mineral sites. These support activities are crucial for efficient and safe mineral extraction, helping mining companies and government entities make informed decisions regarding resource development. Government agencies contract these services to ensure compliance with environmental regulations, optimize resource management, and support national energy and mineral security objectives.
Industry Classification for NAICS 21311
This industry comprises establishments primarily engaged in providing support services, on a contract or fee basis (except geophysical surveying and mapping, mine site preparation, construction, and transportation activities), required for the mining and quarrying of minerals and for the extraction of oil and gas. Drilling, taking core samples, and making geological observations at prospective sites for minerals, on a contract or fee basis, are included in this industry.
Breakdown for NAICS 21311
- Encompasses support services for mining and quarrying excluding surveying, site preparation, and transportation.
- Includes contract or fee-based drilling, core sampling, and geological observation services.
- Supports extraction of minerals, oil, and gas for various industries and government needs.
- Typically involves specialized technical expertise and compliance with environmental regulations.
- Small to large firms operate under this NAICS code with varying contract sizes and durations.
- Important for ensuring efficient, safe, and compliant resource development on public and private lands.
Included Activities for NAICS 21311
- Contract drilling for mineral and oil exploration.
- Collecting and analyzing core samples from prospective mining sites.
- Conducting geological and geophysical observations and assessments.
- Providing technical consulting related to mineral extraction support.
- Monitoring environmental conditions related to mining activities.
- Supporting mine site investigations and feasibility studies.
- Operating specialized equipment for subsurface exploration.
- Reporting and documenting findings for regulatory and planning purposes.
Business Types for NAICS 21311
- Drilling and sampling service companies.
- Geological consulting firms specializing in mining support.
- Environmental and mineral resource assessment contractors.
- Independent mining support service providers.
- Specialized equipment operators for mineral exploration.
Government Buyers for NAICS 21311
Government agencies such as the Department of the Interior, Bureau of Land Management, U.S. Geological Survey, Department of Energy, and state mining and natural resource departments frequently procure support activities for mining. These agencies require these services to conduct mineral assessments, manage public lands, oversee resource extraction, and ensure environmental stewardship. Additionally, defense and infrastructure-related agencies may contract mining support services for strategic resource evaluations and site investigations. Contracting these specialized services enables agencies to leverage technical expertise without maintaining in-house capabilities, ensuring project efficiency and regulatory compliance.
Contract Types & Procurement for NAICS 21311
Contracts for NAICS 21311 services typically include firm-fixed-price, cost-reimbursement, and time-and-materials contracts, depending on project complexity and risk. Procurement methods range from competitive bids to sole-source awards when specialized expertise is required. Contract values vary widely, from small-scale geological sampling projects to large multi-year drilling programs supporting extensive mineral exploration. Blanket purchase agreements and indefinite delivery/indefinite quantity (IDIQ) contracts are common for ongoing support services. Government contracting officers emphasize quality, safety, and environmental compliance in solicitations and awards within this sector.
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