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NAICS Code· 331513

NAICS 331513: Steel Foundries (except Investment)

This U.S. industry comprises establishments primarily engaged in manufacturing steel castings (except steel investment castings). Establishments in this industry purchase steel made in other establishments. Cross-References. Establishments primarily engaged in--Show more

NAICS 331513 – Steel Foundries (except Investment) encompasses the production of steel castings through molding and pouring processes, excluding investment casting methods. This sector focuses on gravity, sand, and die casting of carbon and alloy steels into complex, high-strength components used in heavy machinery, defense equipment, energy infrastructure, and transportation systems.

5
Active Contracts
$580K
Total Obligations (12mo)
3
Awarded Contracts (12mo)
3
Contractors Awarded (12mo)
2
Median Bidders per Award
+361.4%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 331513.

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NAICS 331513 FAQ

Frequently Asked Questions

NAICS code 331513 covers Steel Foundries (except Investment). This U.S. industry comprises establishments primarily engaged in manufacturing steel castings (except steel investment castings). Establishments in this industry purchase steel made in other establishments. Cross-References. Establishments primarily engaged in--

Recently Posted in Steel Foundries (except Investment)

NAICS: 331513
New
DIBBS
Casting and Forging Assistance for Valve ProductionThe Defense Logistics Agency within the Department of Defense is seeking a subcontractor to provide casting and forging tooling support for the production of stop-check valves. The primary objective of this effort is to source or fabricate specialized tooling that is not currently available within government inventory. This subcontract opportunity is categorized under NAICS code 331513 and is scheduled for performance at FPO 09513. Interested parties must submit their responses by the deadline of September 8, 2026.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

in 10 days
View Details
NAICS: 331513
New
Federal
Housing, Proportioner
Solicitation # SPE7M426R0077
DLA Land and Maritime is conducting market research for a critical application item, specifically a proportioning housing identified by NSN 2915-012681594 and part number 43401. While Eaton Corporation is the currently approved source, the agency is seeking information on other responsible sources capable of manufacturing the item. Interested parties must provide the manufacturer's location, CAGE code, and available points of contact. No formal solicitation is being issued at this time, and no technical data is available. Any alternate offerors must provide a complete data package for evaluation, though such offers will not be considered for the current solicitation. Statements of interest and capability should be submitted to Contracting Officer Helen Davis by August 17, 2026.
DLA Land And Maritime

POSTED

4 days ago

DEADLINE

in about 1 month
View Details
NAICS: 331513
New
DIBBS
Supply of Raw Materials (Forgings, Castings, or Bar Stock)The Department of Defense, through Land Supplier Operations SMSG, is seeking a subcontractor for the supply of raw materials, specifically metal forgings, castings, or precision bar stock. These materials are required for the production of electrical adaptors and connectors and must be provided with traceable certifications. This opportunity is designated as a total small business set-aside under FAR 19.5 and falls under NAICS code 331513. The solicitation was posted on August 24, 2026, with a response deadline set for September 24, 2026.
LAND SUPPLIER OPERATIONS SMSG

POSTED

5 days ago

DEADLINE

in 26 days
View Details
NAICS: 331513
Closed
SLED
Water Main Materials Supply (Pipes, Fittings, Valves)The contract requires the supply of water main materials including ductile iron or PVC pipes, fittings, valves, thrust restraints, and gate valves, all of which must comply with American Water Works Association standards and Buy America provisions. These materials are intended for use in water infrastructure projects under the jurisdiction of the Tennessee Department of Transportation, with performance specifically tied to the Cumberland area. The solicitation is classified as a subcontract and was posted on August 14, 2026, with a response deadline set for the same date, indicating an immediate or expedited procurement timeline. All components must meet stringent regulatory requirements to ensure compatibility, durability, and domestic content compliance, and the procurement is governed under NAICS code 331513, which pertains to ductile iron pipe and fittings manufacturing. The contract does not specify a set-aside designation or detailed point of contact information, and the full submission details are accessible through the provided BIDX portal link.
Tennessee Department of Transportation

POSTED

15 days ago

CLOSED

15 days ago
View Details
NAICS: 331513
Closed
DIBBS
Casting or Forging of Actuator ComponentsThis subcontract opportunity, issued by the Department of Defense Active Devices Division, involves the production of raw cast or forged actuator components. The manufacturing must strictly adhere to drawing 6405260 Rev C AY98. Because there is no government-held tooling available for this project, the selected supplier is required to provide and own all necessary tooling. The procurement falls under NAICS code 331513 and is designated for performance in FPO, zip code 96669. Interested parties must submit their responses by August 26, 2026, following the posting date of August 12, 2026.
ACTIVE DEVICES DIVISION

POSTED

17 days ago

CLOSED

3 days ago
View Details
NAICS: 331513
Closed
DIBBS
Specialized Casting and Forging ServicesThe Active Devices Division of the Department of Defense is seeking a subcontractor for specialized casting and forging services to produce high-strength actuator components. These components must be manufactured using defense-specification materials, specifically adhering to SAE-AMS and NASM standards. The work falls under NAICS code 331511 and will be performed at FPO 96678. The solicitation was posted on August 12, 2026, with a response deadline of August 24, 2026. Interested parties can find further details and submission requirements through the DIBBS portal under solicitation number SPE7M526T406C.
ACTIVE DEVICES DIVISION

POSTED

17 days ago

CLOSED

5 days ago
View Details
NAICS: 331513
Closed
DIBBS
Precision Aluminum Alloy Sheet SupplyThis subcontract, issued by the Department of Defense through Construction & Equipment MRO SVC I, requires the supply of five precision aluminum alloy sheets. The materials must be Alloy 2024 T81, measuring 0.160 inches thick and 48 by 96 inches, and must comply with SAE AMS4268B and SAE AMS-QQ-A-250/4B standards. All items must be sourced from a QSLD-certified supplier. The procurement is categorized under NAICS code 331513 and will be performed at Tinker AFB, zip code 73145-8000. The solicitation was posted on August 11, 2026, with a response deadline of August 24, 2026.
CONSTRUCTION & EQUIPMENT MRO SVC I

POSTED

18 days ago

CLOSED

5 days ago
View Details
NAICS: 331513
Awarded
DIBBS
PISTON, RACK
Solicitation # SPE4A5-26-T-1504
The contract solicitation SPE4A5-26-T-1504 seeks two units of a piston, rack with NSN 2915-00-673-9619, to be manufactured to meet stringent technical and quality standards as defined by the DLA Master List of Technical and Quality Requirements, which supersede all other referenced specifications including ASTM D3951. The item requires a metal casting process, with tooling necessary for production; contractors must coordinate with DLA’s Aviation or Land & Maritime Supply Chains for sourcing assistance if tooling is not available. The contract mandates Zero-Based Sampling per MIL-STD-1916 or ASQ H1331, with critical, major, and minor attributes evaluated at AQLs of 0.1, 1.0, and 4.0 respectively, and acceptance requires zero non-conformances unless otherwise specified. Items must be physically marked per RQ017 and packaged in accordance with MIL-STD-129 and DLA Packaging Requirements RP001, with palletization aligned to those standards. Delivery is FOB Origin to the DLA Distribution facility in New Cumberland, Pennsylvania, with a 170-day delivery timeline from award and a target delivery date of August 25, 2026. The offeror must certify compliance with cybersecurity safeguards under DFARS 252.204-7012, disclose any use of prohibited telecommunications equipment per 252.204-7018 and 252.204-7016, and maintain a current NIST SP 800-171 assessment level in the Supplier Performance Risk System for eligibility. Unit of issue is EA, no Item Unique Identification is required, and invoicing must be submitted via WAWF. All materials must comply with hazard communication requirements, including proper labeling under 29 CFR 1910.1200 unless exempted, and offerors must provide UEI and CAGE codes alongside representations regarding business size, socioeconomic status, and predecessor entities. Inspection and acceptance occur at the destination, and the contract includes clauses on whistleblower protections, cybersecurity incident reporting, and safeguarding government information.
Defense Logistics Agency

POSTED

18 days ago

DEADLINE

N/A
View Details
NAICS: 331513
DIBBS
Domestic Metal Forging and Material SupplyThis subcontract with the Defense Logistics Agency under the Department of Defense involves the supply of forged aluminum or steel blanks specifically for the production of retaining rings. The procurement is governed by NAICS code 331513 and requires strict adherence to domestic sourcing regulations as specified by FAR 252.225-7012. The agreement focuses on ensuring that the materials used meet the necessary domestic content requirements for defense applications. All deliverables must comply with the technical specifications for metal forging to support the manufacturing of critical retaining ring components.
Defense Logistics Agency

POSTED

18 days ago

DEADLINE

N/A
View Details
NAICS: 331513
DIBBS
Metal Casting or Forging for Valve Raw ComponentsThis subcontract with the Defense Logistics Agency under the Department of Defense involves the supply of forged or cast steel components specifically designed for valve construction. The primary objective is to provide raw components that adhere to strict metallurgical and dimensional standards, ensuring they are suitable for subsequent downstream machining processes. The contract is categorized under NAICS code 331513 and was posted on August 10, 2026. It is managed as a subcontract to support the procurement of critical metal casting and forging materials necessary for valve assembly and operational requirements.
Defense Logistics Agency

POSTED

19 days ago

DEADLINE

N/A
View Details
NAICS: 331513
Closed
DIBBS
Casting and Forging Supply
AVIATION SUPPLY CHAIN ESOC BUYS

POSTED

19 days ago

CLOSED

11 days ago
View Details
NAICS: 331513
DIBBS
Supply of Raw Materials or Forged Blanks for Wheel Hubs
Defense Logistics Agency

POSTED

22 days ago

DEADLINE

N/A
View Details

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