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NAICS Code· 331210

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel. Cross-References.Show more

NAICS 331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel encompasses the production of seamless and welded steel pipes and tubes from purchased steel billets, coils, or plates, primarily for industrial, energy, and infrastructure applications. This sector focuses on cold-drawn, hot-finished, and pressure-rated pipe and tube products used in oil and gas transmission, nuclear facility cooling systems, power plant piping, and hazardous material conveyance.

37
Active Contracts
$24.2M
Total Obligations (12mo)
773
Awarded Contracts (12mo)
239
Contractors Awarded (12mo)
-16.6%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 331210.

AI Industry Description

NAICS 331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel encompasses the production of seamless and welded steel pipes and tubes from purchased steel billets, coils, or plates, primarily for industrial, energy, and infrastructure applications. This sector focuses on cold-drawn,...

NAICS 331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel encompasses the production of seamless and welded steel pipes and tubes from purchased steel billets, coils, or plates, primarily for industrial, energy, and infrastructure applications. This sector focuses on cold-drawn, hot-finished, and pressure-rated pipe and tube products used in oil and gas transmission, nuclear facility cooling systems, power plant piping, and hazardous material conveyance. Manufacturers in this space must comply with stringent ASME, ASTM, and API standards, and often require ASME U and U2 stamps for pressure vessel applications. In government contracting, this NAICS supports critical energy and defense infrastructure projects requiring high-integrity, corrosion-resistant, and thermally stable piping systems, positioning it as a specialized but essential component of federal supply chains. The leading contractor in this sector is MAYOINTHEMIX LLC, a small business specializing in precision-manufactured steel pipe assemblies tailored for federal energy and industrial clients. The competitive landscape is concentrated among niche manufacturers with certified metallurgical capabilities and quality control systems compliant with federal procurement standards, with limited participation from large primes due to the specialized nature of the production process. The Department of Energy is the primary federal buyer, driving demand through nuclear energy modernization, legacy facility upgrades, and advanced reactor development programs. Procurement is tied to projects requiring high-purity, low-alloy, or alloyed steel piping systems that meet rigorous safety and longevity requirements under extreme thermal and pressure conditions. The market is characterized by low contractor density and high barriers to entry due to certification, equipment, and material sourcing requirements. Opportunities exist for small businesses with ASME-certified facilities and experience in government-compliant fabrication. Demand is steady and project-driven, with recurring needs for replacement components and system expansions in aging federal energy infrastructure.

Top Contractors

Companies with the highest total award value under NAICS 331210, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
CENTROID, INC.$3.0M3
RUDY III, ERNEST$2.2M111
BB&G ENTERPRISES INC$1.9M126
Rudy III, Ernest$1.4M8
AVIATOR SYSTEMS INC.$1.4M18
JBL SYSTEM SOLUTIONS LLC$718K4
INSULATION SOURCES INC$706K8
SARCO INC$464K2
ARGO TURBOSERVE CORPORATION$452K7
MARMETAL INDUSTRIES, LLC$436K8

Top Agencies

Federal agencies directing the most contract spending toward NAICS 331210.

Department Of Defense672 awards$12.8M
DLA Land And Maritime71 awards$8.3M
DLA Aviation8 awards$1.5M
Department Of The Interior3 awards$378K
DLA Troop Support2 awards$315K
Department Of Homeland Security3 awards$288K
Department Of Energy3 awards$233K
Department Of State3 awards$132K
W2R2 USA Engr R & D Ctr2 awards$85K
Department Of Agriculture4 awards$83K

Related NAICS Codes

Industries similar to Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, by shared sector, subsector, and industry group.

Rolled Steel Shape Manufacturing

This U.S. industry comprises establishments primarily engaged in rolling or drawing shapes (except w...
331221Same Industry GroupHigh Similarity

Steel Wire Drawing

This U.S. industry comprises establishments primarily engaged in drawing wire from purchased steel. ...
331222Same Industry GroupHigh Similarity

Iron and Steel Mills and Ferroalloy Manufacturing

This industry comprises establishments primarily engaged in one or more of the following: (1) direct...
331110Same SubsectorMedium Similarity

Alumina Refining and Primary Aluminum Production

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) r...
331313Same SubsectorMedium Similarity

Secondary Smelting and Alloying of Aluminum

This U.S. industry comprises establishments primarily engaged in (1) recovering aluminum and aluminu...
331314Same SubsectorMedium Similarity

Aluminum Sheet, Plate, and Foil Manufacturing

This U.S. industry comprises establishments primarily engaged in (1) flat rolling or continuous cast...
331315Same SubsectorMedium Similarity

Other Aluminum Rolling, Drawing, and Extruding

This U.S. industry comprises establishments primarily engaged in (1) rolling, drawing, or extruding ...
331318Same SubsectorMedium Similarity

Nonferrous Metal (except Aluminum) Smelting and Refining

This industry comprises establishments primarily engaged in (1) smelting ores into nonferrous metals...
331410Same SubsectorMedium Similarity

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NAICS 331210 FAQ

Frequently Asked Questions

NAICS code 331210 covers Iron and Steel Pipe and Tube Manufacturing from Purchased Steel. This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel. Cross-References.

Recently Posted in Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

NAICS: 331210
Awarded
DIBBS
TUBE, METALLICThe Defense Logistics Agency has awarded a contract valued at $47.44 to INDEPENDENT ROUGH TERRAIN CENTER LLC, identified by CAGE code 1NWY2, for the procurement of a single line item: TUBE, METALLIC, with NSN 4710016159739 and procurement identifier 7017351951. The award was issued on July 14, 2026, under solicitation SPE7M0-26-T-9835, which falls under NAICS code 331210 for metal forging and stamping. This transaction is classified as a federal award with no specific set-aside designation and is performed within the United States. The contract is part of the DLA’s broader supply chain operations, supporting Department of Defense logistics needs through a minimal-value procurement focused on a specialized metallic tube component.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 331210
New
DIBBS
PIPE, PLASTICThe contract specifies the procurement of 5 units of chlorinated polyvinyl chloride (CPVC) plastic pipe with a nominal size of 1.000 inch, a wall thickness of 0.179 inch, an outside diameter of 1.315 inch, and a nominal length of 20 feet, meeting Schedule 80 specifications per ASTM F441/F441M-23. The pipe must be gray in color, rated for a hydrostatic test pressure of 2020.0 psi and an operating pressure of 630.0 psi, and comply with potable water standards set by the National Sanitation Foundation. All materials must be free from Class I ozone-depleting chemicals, and any proposed substitutes require prior approval. The pipe includes four type, one grade, and 80 schedule A1 plain fittings as required. Packaging must adhere to ASTM D3951 and MIL-STD-129 labeling standards, with palletization governed by DLA’s packaging requirements, and delivery is required FOB destination within 20 days of contract award. The item is identified by NSN 4710-00-416-6897, with a unit of issue of each, and a fixed quantity of five units with no variance permitted. Delivery is to USNS EARL WARREN T-AO 207 at FPO AP 96691-2900, with the original required delivery date set for July 9, 2026. The acquisition is under full and open competition, governed by DLA’s master list of technical and quality requirements, and the contract is issued under solicitation SPE7M4-26-T-261C through the Department of Defense’s Fluid Handling Division.
FLUID HANDLING DIVISION

POSTED

2 days ago

DEADLINE

in 12 days
View Details
NAICS: 331210
Awarded
DIBBS
TUBE, METALLICThe Defense Logistics Agency awarded GENERAL ELECTRIC COMPANY (CAGE 99207) a contract under solicitation SPE4AX24F4381 for the procurement of metallic tubing identified by NSN 4710-01-443-4247, with a total contract value of $36,120.00, effective July 14, 2026. This delivery order is issued under the parent contract SPE4AX21D9413 and reflects a modified scope following the cancellation of CLIN0002, which originally included 27 units of the tubing at $1,204.00 per unit, reducing the total value from $68,628.00. The place of performance is GE Aerospace’s facility in Lynn, Massachusetts, with administrative oversight managed by DLA Aviation in Richmond, Virginia. The contract modification P00001, effective April 10, 2024, was executed under FAR 13.302-4(b) and FAR 43.103(b), acknowledging vendor correspondence dated July 8, 2026, with no cost or liability to either party. No specific inspection location, acceptance criteria, packaging standards, or quality specifications are detailed in the documentation, nor are any FAR Part 52 contract clauses formally incorporated. Payment and accounting information, including appropriation codes or invoicing systems, are unspecified, though correspondence for invoicing matters should be directed to Kayla Kinard. The contracting officer is Melissa Lowe, with no designated COR or COTR identified. The NAICS code is 331210 for metallic pipe and tube manufacturing, but no socioeconomic certifications, size status representations, or unique entity ID details are provided in the record. The contract type is presumed firm-fixed-price based on unit pricing structure, but this is not explicitly stated. No options, special requirements, security clearances, or key personnel provisions are included. The award appears to follow a simplified acquisition procedure given the low dollar value and single-source nature, with no formal evaluation factors or award methodology documented.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 331210
New
DIBBS
TUBE, CONDENSER-RECEIVEThe contract specifies the procurement of a U-shaped, integral finned tube condenser-receiver made of copper alloy, identified by part number 9W70-1743-1 and NSN 4710-01-149-9146, with a quantity of 42 units. The item is classified as a critical application and must comply with stringent technical and quality requirements referenced from the DLA Master List, including sampling procedures aligned with MIL-STD-1916 or ASQ H1331, where critical, major, and minor attributes are verified at levels VII, IV, and II respectively, with acceptance criteria requiring zero non-conformances unless otherwise stated. The product must not contain ozone-depleting chemicals or mercury or mercury-containing compounds, except under specific exceptions for batteries, fluorescent lights, instruments, sensors, controls, weapon systems, and chemical reagents authorized by NAVSEA, with portable mercury-containing devices requiring shock-proof construction and a secondary containment boundary as per NAVSEA 5100-003D. Packaging must adhere to MIL-STD-2073-1E and MIL-STD-129 for marking, with no special marking required, and palletization governed by DLA packaging standards. Delivery is FOB origin, with inspection and acceptance occurring at the destination, and no variance in quantity is permitted. The delivery schedule mandates fulfillment within 161 days, with a required ship date of January 5, 2027, and a final delivery deadline of May 21, 2027. The item must be shipped to the designated receiving facility in Tracy, California, with transportation details governed by DLA procedural notes C19 and C20. Configuration changes require an engineering change proposal or variance request, and all source approval documentation must meet RC001 requirements. The contract is issued under the Department of Defense’s Fluid Handling Division, with the solicitation number SPE7M4-26-T-262K and a response deadline of July 27, 2026.
FLUID HANDLING DIVISION

POSTED

2 days ago

DEADLINE

in 11 days
View Details
NAICS: 331210
New
DIBBS
Domestic Material Sourcing and Supply Chain ComplianceThis contract requires the supply of domestically sourced raw materials such as steel and fasteners, with strict adherence to the Buy American Act and Berry Amendment requirements, ensuring full traceability and certified compliance throughout the supply chain. All materials must originate from the United States, and suppliers must provide documented proof of origin and manufacturing processes to meet federal procurement standards for defense-related content. The obligation extends beyond mere sourcing to include end-to-end chain-of-custody verification, with no exemptions permitted for foreign components or processing. The contract is designated as a subcontract under NAICS code 331210, issued by the ASC Commodities Division of the Department of Defense, with performance required at Robins Air Force Base, Georgia, zip code 31098-1887. Responses must be submitted by July 22, 2026, and the solicitation is accessible through the DIBBS system. While the set-aside type is not specified, compliance with domestic manufacturing mandates is mandatory, and bidders must be prepared to demonstrate rigorous supply chain controls, including certification documentation and audit-ready records for all materials delivered under this agreement.
ASC COMMODITIES DIVISION

POSTED

2 days ago

DEADLINE

in 6 days
View Details
NAICS: 331210
New
DIBBS
INSULATION SLEEVINGThe contract is for the procurement of electrical insulation sleeving under the part number 154719-005 and NSN 5970013254074, with a quantity of 10 feet to be delivered within 67 days to Tinker Air Force Base, Oklahoma. All technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements, with specifications referencing QAP 77445 MQR-PSD-1 Revision 2 dated 10/29/2019. Sampling must follow MIL-STD-1916 or ASQ H1331 Table 1, or an equivalent zero-based sampling plan, with critical, major, and minor attributes assigned verification levels VII, IV, and II or AQLs of 0.1, 1.0, and 4.0 respectively; unspecified attributes are treated as major. Acceptance criteria require zero non-conformances unless otherwise stated, and the manufacturer may choose attribute or variable inspection under MIL-STD-1916. Unit of issue is foot, and no Item Unique Identification is required under DFARS 252.211-7003(c)(1)(i). Packaging must comply with DLA Packaging Requirements (RP001) and MIL-STD-129 labeling, with non-hazardous material packaged per ASTM D3951 while hazardous material must meet FED-STD-313 and TQ requirement IP025. DLA Master List requirements supersede ASTM D3951. Palletization, marking, and labeling must align with DLA standards, and the delivery is FOB origin with a quantity variance of plus or minus 10 percent. Inspection and acceptance occur at the destination, and the shipment must arrive by September 28, 2026. All transportation directives are governed by DLAD Proc Notes C19 and C20, with the point of contact for queries being Marcita Robinson.
ASC COMMODITIES DIVISION

POSTED

2 days ago

DEADLINE

in 6 days
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NAICS: 331210
Awarded
DIBBS
TUBE, METALLICThe Defense Logistics Agency awarded contract SPE7M126P2356 to RUDY III, ERNEST (CAGE 1Q494) on July 14, 2026, for a single line item: a metallic tube identified by NSN 4710015542667, with a total contract value of $24,273.00. The solicitation number is SPE7M4-25-T-355Y, and the award was made under simplified acquisition procedures, indicating a low-value, non-complex procurement. The contract is structured as a firm-fixed-price agreement with no options, extensions, or additional cost components, and the place of performance is unspecified though the contractor’s address is listed as 4130 S Eden Rd, Kennedale, TX. The awarding office is DLA Land and Maritime, Maritime Supply Chain, located in Columbus, OH, and the contracting officer is Kelly Drees, with no designated contracting officer’s representative or technical representative identified. The only incorporated clause is FAR 52.222-90, Addressing DEI Discrimination by Federal Contractors, with deviation 2026-00040, revision 1, which requires the contractor to comply with non-discrimination employment practices and to submit a Post Award Request via DIBBS as a mandatory reporting obligation. No other clauses, special requirements, inspection criteria, packaging or marking standards, quality assurances, or technical specifications are detailed in the available documentation. The contract does not reference applicable MIL-STDs, barcoding requirements, or specific delivery or FOB terms, and no evaluation factors, award basis, or socioeconomic certifications are disclosed. The invoicing method is unspecified, and no accounting data such as AAC, TAS, or ACRN lines are provided. While the contract includes a continuation sheet reference, its contents are not accessible. The sole deliverable is the metallic tube, and performance is expected under the terms of the award without defined delivery schedules or inspection protocols.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 331210
Awarded
DIBBS
TUBE, METALLICThe U.S. Department of Defense, through the Defense Logistics Agency, has issued a solicitation for 15 metallic tubes identified by NSN 4710-01-230-0826 under solicitation number SPE7M1-26-U-4207. The request was posted on June 29, 2026, with responses due by July 14, 2026, and is open to federal suppliers. The item is classified under a federal procurement framework with no specific set-aside provisions, meaning it is open to all eligible contractors. The place of performance and exact delivery location are not specified, though the contracting office operates under U.S. jurisdiction. The solicitation is accessible through the DIBBS platform, and no point of contact details are provided in the public listing.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 331210
New
DIBBS
PIPE, BENT, METALLICThe contract pertains to the procurement of 35 metallic bent pipes identified by NSN 4710-01-520-8170 and part number 496-3202, issued under solicitation SPE7M1-26-U-4099 as a total small business set-aside under NAICS code 331210. Delivery is required within 79 days FOB origin, with no variance allowed in quantity, and inspection and acceptance occur at the destination. All packaging must comply with ASTM D3951 and, where applicable, the more stringent requirements of the DLA Master List of Technical and Quality Requirements, including proper marking and labeling per MIL-STD-129. The unit of issue is each, with a unit price of $35.00, totaling $1,225.00, and the supply is covered under DLA Direct, CONUS procurement. The contractor must adhere to DLA packaging standards including palletization per RP001 and ensure all government identification is removed from non-accepted items. The contract is managed by the Maritime Supply Chain under the Department of Defense, with primary point of contact Bryan Fair at DLA.
MARITIME SUPPLY CHAIN

POSTED

2 days ago

DEADLINE

in 1 day
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NAICS: 331210
New
DIBBS
INSULATION SLEEVING, ELThis contract establishes the procurement of electrical insulation sleeving for special purposes, coded as NSN 5970010546698, with a required quantity of 233 units. The item must comply with SAE AS85049/140 Revision B and SAE AS85049F Revision F technical standards and is classified as a Critical Application Item with a non-extendable shelf life of 48 months under Type I (Code R) requirements. All components are subject to Qualified Products List (QPL) compliance as referenced in QPL-AS85049-3, and the product must be manufactured to meet rigorous quality and dimensional specifications outlined in the DLA Master List of Technical and Quality Requirements. Mercury and mercury-containing compounds are strictly prohibited unless explicitly exempted for functional uses in batteries, instruments, or weapons systems, and any portable devices containing mercury must include a secondary containment boundary per NAVSEA 5100-003D. Packaging must conform to MIL-STD-2073-1E with a Preservative Method 10, drying and storage in controlled conditions, packed in E5 unit containers with E5 intermediate containers, labeled with Packing Code U and marked per MIL-STD-129 including the special marking code 32 for shelf-life type. Sampling for acceptance follows MIL-STD-1916 or ASQ H1331 with zero non-conformances required in the sample lot unless otherwise specified, and attributes are assigned verification levels VII, IV, and II for critical, major, and minor characteristics. Delivery is FOB origin with a 141-day lead time, arriving at Cherry Point, NC, and is subject to a 0% quantity variance. The contract requires full documentation for source approval, compliant measuring equipment, and adherence to DLA packaging and disposal standards, with the specified delivery date to be met no later than February 13, 2025, despite the original requirement date extending to May 19, 2027.
ASC COMMODITIES DIVISION

POSTED

2 days ago

DEADLINE

in 6 days
View Details
NAICS: 331210
New
SLED
Carbon Steel Sheet Metal SupplyThe Texas Department of Criminal Justice is seeking suppliers to provide carbon steel sheets in a range of gauges and dimensions for industrial use across its facilities. This subcontract opportunity, posted on July 14, 2026, requires responses no later than July 28, 2026, and falls under NAICS code 331210, which classifies the manufacturing of rolled steel products. The materials must meet specified industrial standards to ensure durability and suitability for heavy-duty applications within correctional infrastructure. Performance of the contract will occur at various TDCJ locations, though exact delivery sites are not detailed in the posting. Interested parties must submit proposals through the Texas SmartBuy portal, and all supplied steel must comply with the agency’s technical and operational requirements without specified set-aside provisions for small or disadvantaged businesses.
Texas Department of Criminal Justice

POSTED

2 days ago

DEADLINE

in 12 days
View Details
NAICS: 331210
Awarded
Federal
47--PIPE,BENT,METALLIC
DLA Land And Maritime

POSTED

2 days ago

DEADLINE

N/A
View Details

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