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NAICS Code· 331110

Iron and Steel Mills and Ferroalloy Manufacturing

This industry comprises establishments primarily engaged in one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5) making steel and manufacturing shapes (e.g., bar, plate, rod, sheet, strip, wire); (6) making steel and forming pipe and tube; and (7) manufacturing electrometallurgical ferroalloys. Ferroalloys add critical elements, such as silicon and manganese for carbon steel and chromium, vanadium, tungsten, titanium, and molybdenum for low- and high-alloy metals. Ferroalloys include iron-rich alloys and more pure forms of elements added during the steel manufacturing process that alter or improve the characteristics of the metal. Cross-References. Establishments primarily engaged in--Show more

NAICS 331110 – Iron and Steel Mills and Ferroalloy Manufacturing encompasses the primary production of crude steel through blast furnace, electric arc furnace, or other smelting processes, as well as the manufacturing of ferroalloys used to impart specific metallurgical properties to steel products. This sector supports critical infrastructure, defense systems, and industrial equipment by supplying raw steel billets, slabs, and alloyed ingots essential for structural components, armor plating, heavy machinery, and ordnance.

54
Active Contracts
$600.4M
Total Obligations (12mo)
879
Awarded Contracts (12mo)
87
Contractors Awarded (12mo)
+870.3%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 331110Iron and Steel Mills and Ferroalloy Manufacturing.

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NAICS 331110 FAQ

Frequently Asked Questions

NAICS code 331110 covers Iron and Steel Mills and Ferroalloy Manufacturing. This industry comprises establishments primarily engaged in one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5) making steel and manufacturing shapes (e.g., bar, plate, rod, sheet, strip, wire); (6) making steel and forming pipe and tube; and (7) manufacturing electrometallurgical ferroalloys. Ferroalloys add critical elements, such as silicon and manganese for carbon steel and chromium, vanadium, tungsten, titanium, and molybdenum for low- and high-alloy metals. Ferroalloys include iron-rich alloys and more pure forms of elements added during the steel manufacturing process that alter or improve the characteristics of the metal. Cross-References. Establishments primarily engaged in--

Recently Posted in Iron and Steel Mills and Ferroalloy Manufacturing

NAICS: 331110
New
DIBBS
Material Supply for Fastener ProductionThe contract calls for the supply of certified high-strength alloy steel or corrosion-resistant metals specifically engineered for the manufacture of shear bolts, with strict adherence to military performance specifications. All materials must be fully traceable from origin to final delivery, ensuring compliance with stringent quality and documentation standards. The materials must originate domestically to satisfy sourcing requirements, and the supplier must demonstrate the ability to consistently meet production volumes with verified material certifications and test reports. Delivery is required at the specified performance location in Cherry Point, North Carolina, and the contract is structured as a subcontract under the SBA set-aside program, targeting small business participation within the defense industrial base. The solicitation, issued under NAICS code 331110 for primary metal manufacturing, is managed by the Department of Defense through the ASC SUPPLIER OPER AE AND AF DIV, with a tight response window closing just three days after posting. Suppliers must submit proposals by the deadline to qualify for consideration, and the procurement emphasizes rapid evaluation and award to support immediate fastener production needs. While no point of contact is listed, the official DIBBS platform provides the sole avenue for accessing full solicitation details and submitting proposals. This contract is critical to sustaining DoD logistics and operational readiness through secure, domestically sourced, and military-grade materials.
ASC SUPPLIER OPER AE AND AF DIV

POSTED

1 day ago

DEADLINE

in 1 day
View Details
NAICS: 331110
New
DIBBS
Raw Material Supply for Defense ComponentsThe contract involves the supply of defense-grade steel or alloy bar stock specifically for the manufacturing of eye brackets, with an absolute requirement for full material traceability and certified test reports to ensure compliance with stringent defense standards. The material must meet exacting mechanical and chemical specifications to guarantee performance and reliability in critical defense applications, and suppliers are expected to maintain documented provenance from raw material origin through final production. This subcontract, issued under the NAICS code 331110 for iron and steel mills and ferroalloy manufacturing, is managed by the Defense Logistics Agency within the Department of Defense and is intended for use in secure military equipment production. The contract does not specify a solicitation number, set-aside conditions, or location details, indicating that terms such as delivery location and procurement structure may be addressed in subordinate documentation or bilateral agreements. The posting date of July 13, 2026, suggests this is a future-oriented procurement, requiring potential vendors to prepare for upcoming requirements with established quality control processes and certification capabilities. All delivered materials must be accompanied by verifiable documentation, and adherence to defense-grade standards is non-negotiable, with any failure to meet traceability or testing requirements potentially resulting in rejection of the batch.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details

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