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NAICS Code· 212392

NAICS 212392: Phosphate Rock Mining

NAICS 212392 - Phosphate Rock Mining covers the extraction and production of phosphate rock, a critical mineral used primarily in the manufacture of phosphoric acid and phosphate fertilizers. This industry involves open-pit mining operations, including the removal of overburden and the extraction of phosphate-bearing ores.

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NAICS 212392 FAQ

Frequently Asked Questions

NAICS code 212392 stands for Phosphate Rock Mining. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

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Recently Posted in Phosphate Rock Mining

Riprap and Rock SupplyThe contract pertains to the supply of qualified riprap stone intended for use in stabilizing streams and ditches, with strict requirements governing size, gradation, and durability to ensure long-term structural integrity and erosion control. The materials must meet specified engineering standards to withstand hydraulic forces and environmental conditions typical in Texas waterways, ensuring effective and sustainable infrastructure protection. This subcontract is issued by Lewisville ISD under NAICS code 212392, with a response deadline of September 1, 2026, and a posting date of August 7, 2026, indicating an upcoming procurement cycle with a focused scope centered on aggregate materials for civil works. The place of performance is within Texas, though specific locations are not detailed, and bidders must be prepared to deliver material that aligns with the district's infrastructure maintenance and environmental management objectives.

POSTED

CLOSED

about 1 month ago

Aggregate and Base Material SupplyThe contract titled Aggregate and Base Material Supply is for the provision of crushed stone, gravel, and other aggregate materials to be used in road base and sub-base construction layers, with strict requirements that all materials must be sourced domestically. It is structured as a subcontract, with a response deadline of September 3, 2026, at 3:00 PM, following its posting on July 28, 2026. The North American Industry Classification System code 212392 applies, indicating the scope involves other nonmetallic mineral mining activities. The contracting entity is the Vermont office of the Department of Economic Development, and while specific performance locations and contact details are not provided, the materials must comply with domestic sourcing mandates to qualify. All bids must meet technical specifications for material quality and origin to ensure suitability for infrastructure applications.

Department of Economic Development

POSTED

CLOSED

about 1 month ago

6” Minus Stone SupplyThe contract is for the supply of 6-inch minus crushed stone to be used in erosion control systems across various project sites managed by the Kentucky Transportation Cabinet Division of Maintenance. The material is essential for stabilizing soil and preventing erosion in roadway and infrastructure projects throughout the state. The solicitation is open as a subcontract, with a response deadline of July 22, 2026, and was posted on July 14, 2026, indicating a short window for interested parties to submit proposals. The North American Industry Classification System code 212392 identifies the work as related to other mineral and metal mining, which aligns with the extraction and processing of crushed stone. Performance of the contract is expected across multiple locations in Kentucky, with no specific city designated, indicating a statewide scope. The contract is managed under the KYTC-Division of Maintenance, and all submissions must be made through the designated online portal linked in the posting.

KYTC-Div of Maintenance

POSTED

CLOSED

Aggregate SupplyThe contract is for the supply of 3/4 inch open graded aggregate to be used in the construction of barrier walls across all districts managed by the Kentucky Transportation Cabinet's Division of Maintenance. The material must meet specific engineering standards appropriate for use in roadside safety infrastructure, ensuring durability and proper drainage characteristics. The solicitation is structured as a subcontract and is open to qualified suppliers who can consistently deliver the required quantity and quality of aggregate to meet project timelines across the state. The proposal deadline is July 15, 2026, at 5:30 PM Eastern Time, and submissions must be made through the Kentucky Transportation Cabinet’s online procurement portal. The North American Industry Classification System code 212392 identifies the contract as pertaining to other nonmetallic mineral mining and quarrying operations. Performance will occur statewide with no specific city or zip code designated, indicating that deliveries must be coordinated to multiple locations as needed by maintenance and construction teams. The contract does not specify a set-aside category, making it open to all eligible vendors, and the procurement is managed under the Kentucky Transportation Cabinet’s operational umbrella for infrastructure materials.

KYTC-Div of Maintenance

POSTED

CLOSED

Native Materials Sourcing and SupplyThe contract involves the supply of locally sourced native materials including gravel, stone, and soil for the construction and surfacing of trails, with strict requirements for environmental compatibility and adherence to US Forest Service and project-specific sustainability standards. All materials must be procured from within the project area to minimize ecological disruption and support regional conservation goals, ensuring that extraction and transport practices align with established land management protocols. The work is subcontracted under the Sierra Nevada Conservancy’s initiative, with performance centered in Portola, California, and governed by NAICS code 212392 for other crushed and broken stone mining. The solicitation was posted in June 2026, and while no set-aside designation is specified, the emphasis on local sourcing and environmental compliance underscores a commitment to sustainable land use and ecological preservation. All activities must support the long-term integrity of the trail network while respecting natural systems and regulatory frameworks.

Sierra Nevada Conservancy

POSTED

DEADLINE

Aggregate and Base Material Supply (Flexible Base)The contract is for the supply of dense-graded aggregate as a flexible base material to be used in roadway subbase construction under the Texas Department of Transportation. The work is specifically designated for performance in Jefferson, with the material required to meet specified engineering standards for durability, compaction, and gradation suitable for high-traffic roadway applications. The contract is classified as a subcontract and is posted under NAICS code 212392, indicating it relates to quarrying and mining of non-metallic minerals, consistent with aggregate production. The solicitation was posted and has a response deadline both set for June 1, 2026, suggesting this may be an administrative placeholder or indicates the project is in early planning stages with formal bidding to open on that date. All contract plans and technical specifications can be accessed via the provided Texas DOT FTP link, which will detail exact material parameters, delivery schedules, quality control requirements, and reporting protocols. No set-aside provisions or specific organizational type requirements are indicated, allowing any qualified supplier to bid.

Texas Department of Transportation

POSTED

CLOSED

Raw Material Sourcing and Mining Supply Chain

Dcso Columbus Division #3

POSTED

CLOSED

Riprap Installation and Stone Supply

Csa Intermountain 9 Usda-Fs

POSTED

CLOSED

Gas Line Relocation or Abatement

University of Southern Mississippi

POSTED

CLOSED

Sand and Aggregate Supply

Florida Fish and Wildlife Conservation Commission (FWC)

POSTED

CLOSED

Mineral Aggregate Base Supply

Tennessee Department of Transportation

POSTED

about 1 year ago

CLOSED

about 1 year ago

Aggregate and Base Material Supply

Kentucky Facilities & Support Services

POSTED

about 1 year ago

CLOSED

about 1 year ago

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