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The Mining, Quarrying, and Oil and Gas Extraction sector comprises establishments that extract naturally occurring mineral solids, such as coal and ores; liquid minerals, such as crude petroleum; and gases, such as natural gas. The term mining is used in the broad sense to include quarrying, well operations, beneficiating (e.g., crushing, screening, washing, and flotation), and other preparation customarily performed at the mine site, or as a part of mining activity. The Mining, Quarrying, and Oil and Gas Extraction sector distinguishes two basic activities: mine operation and mining support activities. Mine operation includes establishments operating mines, quarries, or oil and gas wells on their own account or for others on a contract or fee basis. Mining support activities include establishments that perform exploration (except geophysical surveying) and/or other mining services on a contract or fee basis (except mine site preparation and construction of oil/gas pipelines). Establishments in the Mining, Quarrying, and Oil and Gas Extraction sector are grouped and classified according to the natural resource mined or to be mined. Industries include establishments that develop the mine site, extract the natural resources, and/or those that beneficiate (i.e., prepare) the mineral mined. Beneficiation is the process whereby the extracted material is reduced to particles that can be separated into mineral and waste, the former suitable for further processing or direct use. The operations that take place in beneficiation are primarily mechanical, such as grinding, washing, magnetic separation, and centrifugal separation. In contrast, manufacturing operations primarily use chemical and electrochemical processes, such as electrolysis and distillation. However, some treatments, such as heat treatments, take place in both the beneficiation and the manufacturing (i.e., smelting/refining) stages. The range of preparation activities varies by mineral and the purity of any given ore deposit. While some minerals, such as petroleum and natural gas, require little or no preparation, others are washed and screened, while yet others, such as gold and silver, can be transformed into bullion before leaving the mine site. Mining, beneficiating, and manufacturing activities often occur in a single location. Separate receipts will be collected for these activities whenever possible. When receipts cannot be broken out between mining and manufacturing, establishments that mine or quarry nonmetallic minerals, and then beneficiate the nonmetallic minerals into more finished manufactured products are classified based on the primary activity of the establishment. A mine that manufactures a small amount of finished products will be classified in Sector 21, Mining, Quarrying, and Oil and Gas Extraction. An establishment that mines whose primary output is a more finished manufactured product will be classified in Sector 31-33, Manufacturing.

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Showing 51–62 of 62 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Tennessee - US Due Date
FILL SAND, LIMESTONE, RIP RAP
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 18, 2024
Rock, Crushed Stone, Sand, Gravel
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 18, 2024
Stone
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 18, 2024
 
 
Texas - US Due Date
Well Plugging, Carbon Offset & Related Services, Proof of Capture, Certification, Sale of Carbon
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 25, 2024
 
 
Virginia - US Due Date
Direct Supply Natural Gas - South Region
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 18, 2024
 
 
Wyoming - US Due Date
Kendall Gravel Pit Development
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		May. 28, 2024
 
 
British Columbia - CA Due Date
Landfill Concrete Crushing
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		May. 10, 2024
 
 
Saskatchewan - CA Due Date
Gravel Crushing
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 19, 2024
Gravel Crush & Screening
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		May. 08, 2024
RM139-2024-001 Gravel Crushing
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Jun. 28, 2024
Gravel Crushing & Sand Screening
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		May. 06, 2024
 
 
Yukon - CA Due Date
Production & Stockpiling of Crushed Gravel
21 - Mining, Quarrying, and Oil and Gas Extraction
(to see the full NAICS category code login  or  upgrade) 		Apr. 18, 2024

Showing 51–62 of 62 bids that are currently: Active.