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NAICS Code· 333131

NAICS 333131: Mining Machinery and Equipment Manufacturing

This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines. Cross-References. Establishments primarily engaged in--Show more

NAICS 333131 – Mining Machinery and Equipment Manufacturing encompasses the design, fabrication, and assembly of heavy-duty machinery and equipment used in extractive operations such as surface and underground mining, quarrying, and mineral processing. This includes draglines, shovels, haul trucks, continuous miners, rock breakers, conveyors, and specialized ventilation and dewatering systems engineered for harsh, high-wear environments.

6
Active Contracts
$902K
Total Obligations (12mo)
16
Awarded Contracts (12mo)
14
Contractors Awarded (12mo)
2
Median Bidders per Award
+58.8%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 333131.

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NAICS 333131 FAQ

Frequently Asked Questions

NAICS code 333131 covers Mining Machinery and Equipment Manufacturing. This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines. Cross-References. Establishments primarily engaged in--

Recently Posted in Mining Machinery and Equipment Manufacturing

NAICS: 333131
Closed
SLED
Crawler Excavator with Hinged Boom
Solicitation # 601440000053632
The Texas Department of Transportation is soliciting bids for a diesel-powered, hydraulically operated, hinged boom excavator mounted on a crawler-type undercarriage, capable of digging, lifting, and dumping operations. This procurement is identified by solicitation number 601440000053632 and is posted on the TxDOT Procurement Portal at https://txdot.bonfirehub.com/, where all amendments, questions, answers, and updates will be posted. Respondents must submit proposals through the Euna Procurement website prior to the deadline of August 28, 2026, at 9:00 PM Central Time; no submissions will be accepted after this date and time. The NAICS code for this solicitation is 333131, and the contract is classified under the SLED (State, Local, and Education) organization type. Vendors must be registered on the Texas Comptroller of Public Accounts’ Centralized Master Bidders List (CMBL) and must have the correct NIGP class and item codes selected to be eligible to respond. Existing vendors are required to ensure their CMBL information is current and accurate, while new vendors must apply through the CMBL portal to receive bidding opportunities. The point of contact for procurement inquiries is Brian Jordan, CTCD, reachable at Brian.Jordan2@txdot.gov or 512-416-4739. No specific contract clauses, evaluation factors, pricing details, packaging requirements, inspection criteria, or delivery schedules are provided in the solicitation documents. The estimated contract value and contract type, such as firm-fixed-price or indefinite-delivery, are not disclosed. All submissions must comply with CMBL eligibility and registration requirements, and bidders are responsible for monitoring the solicitation portal for updates.
Texas Department of Transportation

POSTED

23 days ago

CLOSED

2 days ago
View Details

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