Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, July 22 at 2:00 PM EDT

Register Free →
← Back to NAICS Codes
NAICS Code· 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.

1
Active Contracts
$338K
Total Obligations (12mo)
7
Awarded Contracts (12mo)
6
Contractors Awarded (12mo)
-27.3%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 331511Iron Foundries.

Dotted
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
Awarded
DIBBS
SUPPORT, ROLLER, CARGThe contract pertains to the procurement of a metal casting component, specifically a Support, Roller, Cargo Door, identified by NSN 1560009669366 and part number 205-031-433-002 from Bell Textron Inc. Four units are required at a unit price of $4.000, resulting in a total contract value of $16.00, with delivery due 171 days after award to DLA Distribution Cherry Point in North Carolina under FOB Origin terms. The item is classified as a Critical Application Item and must be manufactured using a metal casting process, necessitating dedicated tooling, for which sourcing and engineering support are available through DLA’s Aviation and Land & Maritime Supply Chains. Quality assurance requires compliance with MIL-STD-1916 or ASQ H1331 for sampling, with zero non-conformances mandated for acceptance unless otherwise specified, and critical, major, and minor attributes must adhere to respective AQLs of 0.1, 1.0, and 4.0 and verification levels VII, IV, and II. Packaging must conform to ASTM D3951 for non-hazardous materials or TQ Requirement IP025 if hazardous under FED-STD-313, with all labeling and marking strictly following MIL-STD-129 and DLA Packaging Requirements (RP001), though Item Unique Identification is waived by the service customer under DFARS 252.211-7003. The contractor must implement a manufacturer inspection system compliant with SAE AS9003 or ISO 9001 and is subject to CMMC Level 2 self-assessment and NIST SP 800-171 DOD assessment requirements as outlined in Clause 252.240-7997 with deviation 2026-O0025. Cybersecurity and safeguarding provisions under FAR 52.223-23, 52.227-1, 52.245-1, and DFARS 252.204-7012, 252.204-7008, and 252.223-7008 prohibit hexavalent chromium and mandate compliance with cybersecurity and environmental standards. Payment
Defense Logistics Agency

POSTED

15 days ago

DEADLINE

N/A
View Details
NAICS: 331511
Awarded
DIBBS
ADAPTER ASSEMBLY, LUThe contract pertains to the procurement of an Adapter Assembly, LU, identified by NSN 2835011148480 and part number 3880036-3, with a quantity of 10 units to be delivered FOB origin to DLA Distribution Cherry Point in North Carolina. Delivery is required within 423 days after order issuance, with an original required delivery date of December 24, 2027, and a need ship date of July 18, 2027. The item is manufactured using a metal casting process requiring specialized tooling, and sourcing inquiries must be directed to DLA’s Aviation or Land & Maritime Supply Chains teams. Packaging and preservation must strictly comply with MIL-STD-2073-1E and DLA Packaging Requirements RP001, including specific preservation methods, container types, and packaging codes. Marking and labeling must adhere to MIL-STD-129 with no special marking required, and palletization must follow DLA guidelines. Physical item marking per RQ017 is mandatory, and any radioactive materials must be labeled per federal standards. The item is subject to sampling procedures under MIL-STD-1916 or ASQ Z1.4 with zero non-conformances required unless otherwise specified, and attributes are assigned inspection levels VII, IV, and II with corresponding AQLs of 0.1, 1.0, and 4.0. Cybersecurity compliance is enforced through CMMC Level 2 self-assessment and DFARS 252.204-7012, requiring implementation of NIST SP 800-171 controls for safeguarding covered defense information, with associated reporting obligations to SPRS using the CAGE code and assessment summary. The contract mandates compliance with multiple federal acquisition regulation clauses including equal opportunity, trafficking in persons, employment eligibility verification, whistleblower rights, and prohibitions on covered defense telecommunications equipment. All proposals must be submitted electronically via DIBBS by the May 26, 2026 deadline with no paper submissions accepted, and invoicing must be processed through WAWF. Inspection and acceptance occur at the destination point, and while the unit price and total contract value are not disclosed, the solicitation confirms no bidset is available. The contracting office is ASC Supplier Oper OEM Division, with Sarah Kennedy as the point of contact.
Defense Logistics Agency

POSTED

about 1 month ago

DEADLINE

N/A
View Details
NAICS: 331511
Closed
DIBBS
HOUSING, MECHANICALThe 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.
LAND SUPPLY CHAIN ESOC BUYS

POSTED

2 months ago

CLOSED

about 2 months ago
View Details

Win Contracts in Iron Foundries

Get AI-powered intelligence on NAICS 331511 procurement

Real-time contract opportunities for NAICS 331511 (Iron Foundries)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS