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NAICS Code· 331511

NAICS 331511: Iron Foundries

This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments. Cross-References.Show more

NAICS 331511 – Iron Foundries encompasses the production of iron castings through molding and pouring processes, including gray iron, ductile iron, and malleable iron products used in heavy industrial, defense, and infrastructure applications. This sector supports the manufacture of components such as engine blocks, valve bodies, gear housings, structural brackets, and pipe fittings that require high strength, vibration damping, and thermal stability.

4
Active Contracts
$338K
Total Obligations (12mo)
7
Awarded Contracts (12mo)
6
Contractors Awarded (12mo)
2
Median Bidders per Award
-12.7%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 331511.

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NAICS 331511 FAQ

Frequently Asked Questions

NAICS code 331511 covers Iron Foundries. This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments. Cross-References.

Recently Posted in Iron Foundries

NAICS: 331511
New
DIBBS
HOUSING, TRIM TAB
Solicitation # SPE4A7-26-R-0764
The U.S. Department of Defense, through DLA Aviation, intends to award a five-year Indefinite Quantity Contract for the supply of HOUSING, TRIM TAB, identified by NSN 1680-00-783-6362, exclusively to small businesses under a total set-aside. The Estimated Annual Quantity is 40 units, with deliveries made FOB Destination and inspection and acceptance occurring at the origin. Although the item is classified as critical, it is not designated as a Critical Safety Item. The contractor must comply with First Article Testing, Boeing Rights Guard, and Export Control requirements, and surge capacity is not applicable. The procurement will follow FAR 6.302, allowing for sole-source or limited-source negotiations due to the specialized nature of the part, which is defined by BASIC DRAWING #81205 50-3145, Revision H. Technical data is available to qualified vendors through DLA Aviation. All interested small businesses must be registered in SAM.gov to be eligible for award, with the solicitation scheduled for release on August 26, 2026, and responses due by September 28, 2026. The acquisition will not utilize commercial item acquisition policies under Part 12, though vendors may still propose commercial alternatives within 15 days of the notice. The solicitation may include a reverse auction via the Procurex system, and offerors are advised to review auction tutorials in advance. Proposals will be evaluated based on price, past performance, and other factors outlined in the formal solicitation, which will be accessible only via DIBBS in PDF format. No paper copies will be provided. The point of contact for inquiries is Christopher Rose, with technical and contractual support also available through Jeremy Prince.
ASC SUPPLIER OPER AE AND AF DIV

POSTED

2 days ago

DEADLINE

in about 1 month
View Details
NAICS: 331511
Awarded
DIBBS
HOUSING, MECHANICAL
Solicitation # SPE7L0-26-Q-0233
The contract pertains to the procurement of six Housing, Mechanical components manufactured using a metal casting process, requiring specialized tooling for production. The item is identified by NSN 3040-01-054-0265 and is under solicitation SPE7L0-26-Q-0233, with a response deadline of May 29, 2026, and a delivery window of 30 days after issuance of a delivery order. Performance is to be delivered to Anniston Army Depot in Anniston, Alabama, with FOB Origin terms transferring title and risk at the contractor’s shipping point. The contract is subject to stringent cybersecurity and export control requirements, including compliance with FAR 52.204-7012 for safeguarding covered defense information and CMMC Level 2 certification for third-party assessors. Technical data associated with the item is controlled under ITAR or EAR, restricting disclosure to foreign persons and requiring adherence to DFARS 252.225-7048; access is limited to contractors holding approved U.S./Canada Joint Certification Program status, having completed required DLA export control training, and received explicit authorization. Packaging and marking must follow MIL-STD-129 and ASTM D3951, with palletization conforming to DLA’s RP001, while inspection and acceptance occur at origin under government authority using zero-defect sampling criteria per MIL-STD-1916. Invoicing is mandatory through WAWF, and the contractor must comply with DPAS priorities, U.S.-flag vessel transportation requirements, and prohibitions on ozone-depleting substances. The contract incorporates clauses addressing whistleblower protections, former DOD official compensation restrictions, termination for convenience, and safeguarding of government personnel work product. All offerors must maintain active SAM.gov registration with valid UEI and CAGE codes and affirm compliance with cybersecurity, sanctions, and procurement integrity requirements, with no pricing information provided in the solicitation.
Defense Logistics Agency

POSTED

10 days ago

DEADLINE

N/A
View Details

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