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, September 2 at 2:00 PM EDT

Register Free →
logo
Get CLEATUS
← Back to NAICS Codes
NAICS Code· 331210

NAICS 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.

40
Active Contracts
$20.5M
Total Obligations (12mo)
698
Awarded Contracts (12mo)
215
Contractors Awarded (12mo)
2
Median Bidders per Award
+40.9%
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$1.8M100
BB&G ENTERPRISES INC$1.8M121
AVIATOR SYSTEMS INC.$1.3M14
JBL SYSTEM SOLUTIONS LLC$718K4
INSULATION SOURCES INC$706K8
SARCO INC$575K3
MARMETAL INDUSTRIES, LLC$532K12
ARGO TURBOSERVE CORPORATION$452K7
CENTRAL POWER SYSTEMS & SERVICES, LLC$428K3

Top Agencies

Federal agencies directing the most contract spending toward NAICS 331210.

Department Of Defense647 awards$13.7M
DLA Land And Maritime31 awards$4.7M
DLA Aviation6 awards$1.2M
Department Of The Interior2 awards$374K
Department Of Homeland Security3 awards$288K
Department Of Energy3 awards$233K
Department Of Agriculture5 awards$155K
Department Of State3 awards$129K
DLA Troop Support1 award$96K
Csa Intermountain 4 Usda-Fs1 award$58K

Competition

How many companies historically bid on federal awards in NAICS 331210, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 29,955 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

27%

Share of reported awards with one bidder

10+ Bidder Awards

5%

Share of reported awards with 10+ bidders

Reported Awards

0

96% of 31,319 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
331210This Code
Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
Fewer Bidders227%
29,95596% of 31,319
33121NAICS Industry
Fewer Bidders227%
29,95596% of 31,319
3312Industry Group
Steel Product Manufacturing from Purchased Steel
Moderate Competition328%
79,19188% of 90,036
331Subsector
Moderate Competition325%
208,25283% of 250,798
33Sector
Manufacturing
Fewer Bidders244%
16,852,66969% of 24,321,569

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

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

Explore contracts across multiple NAICS codes Browse all NAICS Codes

Ready to Win 331210 Contracts?

Transform opportunities in Iron and Steel Pipe and Tube Manufacturing from Purchased Steel into winning contracts

Advanced search and filtering for NAICS 331210 contracts and opportunities

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

Real-time market intelligence, historical award data, and competitive analysis

Automated alerts when new opportunities are posted in your industry classification

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS

Dotted
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
New
DIBBS
TUBE, METALLIC
Solicitation # SPE7M4-26-T-372K
This contract is for the procurement of 236 lengths of seamless copper tubing, with each length measuring 20 feet. The tubing must be plain round, H58 temper, hard drawn, with a nominal outer diameter of 0.500 inches and a nominal wall thickness of 0.035 inches, conforming to ASTM B280 specifications for air conditioning and refrigeration field service. The items are identified as commercial products and must be delivered FOB Origin to the DLA Distribution center in New Cumberland, Pennsylvania, with a required delivery date of January 25, 2027. Strict quality and marking requirements apply, including continuous identification marking every three feet featuring the producer's name, specification, composition, size, contract number, national stock number, and heat or lot number. Sampling must follow MIL-STD-1916 or ASQ H1331, and the use of mercury or class I ozone-depleting chemicals is prohibited. Inspection and acceptance will occur at the origin, and packaging must comply with MIL-C-3993 and DLA packaging requirements. Metal certification data requirements and specific technical data packages are also mandatory for this procurement.
FLUID HANDLING DIVISION

POSTED

3 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
Awarded
DIBBS
TUBE, METALLIC
Solicitation # SPE4A5-26-T-146J
The contract pertains to the procurement of metallic tubes, identified by part number 5117T44G01 and NSN 4710014675235, with a quantity of 20 units to be delivered FOB origin within 171 days following order placement. Quality and technical requirements are governed by the DLA Master List of Technical and Quality Requirements, incorporating referenced specifications such as MIL-STD-1916 or ASQ H1331 for sampling, with zero non-conformances required unless otherwise stated. Packaging and preservation must comply strictly with MIL-STD-2073-1E, utilizing Method 1 for cleaning/drying and specifying preservation methods via code ZZ, while marking adheres to MIL-STD-129 with barcoding and special codes as required, including compliance with Appendix J, Table J-V for cushioning materials. Physical identification of bare items is mandatory, and all government identification must be removed from non-accepted supplies. The contract invokes multiple FAR and DFARS clauses, including those for small business representation, cybersecurity safeguarding (NIST SP 800-171), hazardous material labeling per OSHA 29 CFR 1910.1200, and prohibitions on certain confidentiality agreements. All invoicing must be submitted electronically via WAWF, and acceptance occurs at the contractor’s origin with inspection also conducted there. The contracting activity is the ASC SUPPLIER OPER OEM DIVISION under the Department of Defense, with Steven Lewis as the point of contact, and the solicitation number is SPE4A5-26-T-146J, issued on May 14, 2026, with responses due by May 22, 2026. The contract type remains unspecified, though deviations in several FAR clauses indicate use of modified or alternate versions effective February 2026, and socioeconomic representations from offerors are required for potential set-asides. No formal evaluation factors or contract value are provided, and no attachments are listed under Section J, though compliance with referenced standards is binding.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

N/A
View Details
NAICS: 331210
New
DIBBS
TUBE HYDRAULIC PUMP
Solicitation # SPE7L4-26-T-6642
This solicitation, issued by the Department of Defense under the agency LSO Combat Vehicles and Armament, is for the procurement of 12 units of Tube Hydraulic Pump, identified by NSN/Part Number 4710-01-096-9007. The contract requires delivery within 77 days after receipt of order and is categorized under NAICS code 331210. Performance is designated for Corpus Christi, Texas. Compliance requirements are stringent, necessitating CMMC Level 2 certification from a C3PAO and adherence to DLA packaging requirements. Due to the nature of the technical data, the contract is subject to ITAR and EAR export controls. Access to this data is restricted to contractors with an approved US/Canada Joint Certification Program certification and completed DLA export-control training and questionnaires.
LSO COMBAT VEHICLES AND ARMAMENT

POSTED

3 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
New
DIBBS
TUBE ASSEMBLY, FUEL
Solicitation # SPE4A5-26-T-396D
This contract is for the procurement of one fuel tube assembly, identified as a commercial off the shelf critical application item with NSN 4710006027914 and General Electric part number L21603G01. The acquisition is managed by the Department of Defense ASC Supplier OEM Division under solicitation number SPE4A5-26-T-396D. Delivery is required within five days of order, with a required delivery date of August 25, 2026. The agreement mandates strict adherence to DLA packaging and marking standards, specifically MIL-STD-2073-1E and MIL-STD-129, with shipment directed to the Fleet Readiness Center Southwest in San Diego, California. Key technical requirements include the prohibition of intentionally added mercury and compliance with source approval request documentation. Inspection and acceptance will take place at the point of origin, and the shipment must be sent via the fastest traceable means.
ASC SUPPLIER OPER OEM DIVISION

POSTED

3 days ago

DEADLINE

in 5 days
View Details
NAICS: 331210
New
DIBBS
TUBE, METALLIC
Solicitation # SPE7M4-26-T-367Z
This contract is for the procurement of seamless aluminum alloy 5052 metallic tubing, featuring a 0.250 inch outer diameter and 0.035 inch wall thickness. The material is designated for use in critical applications across various aircraft and military systems, including the B52, F-4 Phantom, A10, and several helicopter models. The procurement is conducted under full and open competition and requires strict adherence to aerospace material specifications, including continuous identification marking and the prohibition of class I ozone depleting chemicals. The order consists of four separate line items totaling 4,183 feet, distributed across delivery points at Hill AFB, DLA Distribution San Diego, Tinker AFB, and Warner Robins AFB. Delivery is required within 154 days after order, with specific shipping dates ranging from June 2026 to April 2028. The contract mandates strict packaging and preservation standards according to MIL-STD-2073-1E and ASTM B660, with inspection and acceptance occurring at the destination. Metal certification and technical data requirements are mandatory for this procurement.
FLUID HANDLING DIVISION

POSTED

4 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
Closed
DIBBS
TUBE AND FITTINGS, META
Solicitation # SPE4A5-26-T-364A
Solicitation SPE4A5-26-T-364A is a fixed-price request for quotations issued by DLA Aviation, ASC Supplier Oper OEM Division, for the procurement of 31 units of metallic tubes and fittings, identified by NSN 4710-01-371-9562 and Honeywell part number 3883489-1. This requirement is designated as a critical application item, necessitating bare item marking per RQ017. The original required delivery date is March 7, 2027, with a delivery window of 171 days after award. Shipping and acceptance are both set at the destination, specifically DLA Distribution Cherry Point in North Carolina. The contract mandates strict adherence to quality and packaging standards, including MIL-STD-129 for marking, MIL-H-775 for hose preservation, and MIL-STD-2073-1E for packaging data. Quality assurance requires the manufacturer's inspection system to comply with ISO 9001:2015, with sampling conducted according to MIL-STD-1916 or ASQ H1331. Compliance with the Buy American Act and the Berry Amendment is required, and all invoicing must be processed electronically through the Wide Area WorkFlow system. The solicitation incorporates the DLA Master Solicitation for Automated Simplified Acquisitions Revision 105 and various FAR and DFARS clauses regarding cybersecurity, human trafficking, and hazardous material identification.
ASC SUPPLIER OPER OEM DIVISION

POSTED

4 days ago

CLOSED

2 days ago
View Details
NAICS: 331210
New
DIBBS
TUBE, METALLIC
Solicitation # SPE7L1-26-T-03B7
This contract is for the procurement of 120 feet of seamless or welded copper-nickel alloy metallic tubing, specifically 90-10 composition, with a 4-inch outer diameter and 0.095-inch wall thickness. The material must be annealed and conform to military specifications for copper-nickel alloy tubes, with random lengths between 12 and 20 feet. The order allows for a quantity variance of plus or minus 10 percent and requires delivery to the DLA Distribution New Cumberland facility by January 4, 2027. Strict compliance is required regarding environmental and marking standards, including the prohibition of Class I ozone-depleting chemicals and the restriction of mercury compounds. Each length of material must be continuously marked every three feet with the producer's name, specification, composition, size, contract number, national stock number, heat or lot number, and a designation for seamless or welded construction. Quality assurance will be managed through specific sampling methods and metal certification requirements, with packaging and preservation adhering to MIL-STD-2073-1E and MIL-C-3993.
LAND SUPPLY CHAIN

POSTED

4 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
Closed
DIBBS
INSULATION SLEEVING, EL
Solicitation # SPE4A6-26-T-17KF
Solicitation SPE4A6-26-T-17KF is a total small business set-aside issued by the DLA Aviation ASC Commodities Division for the procurement of 806 feet of electrical insulation sleeving, identified by NSN 5970-01-105-6535. The requirement is for a source-controlled item that must be manufactured and tested according to cited limited rights data. Delivery is required to DLA Dist San Joaquin in Tracy, California, with an original required delivery date of January 7, 2027, and a need ship date of January 31, 2027. The procurement specifies a delivery period of 159 days and requires the use of the Wide Area WorkFlow system for electronic invoicing and payment processing. Compliance requirements are stringent, including adherence to the Buy American Act and the Berry Amendment. The item is subject to export control under ITAR or EAR regulations, requiring bidders to have an approved US/Canada Joint Certification Program certification and DLA authorization to access technical data. Additionally, the contract mandates CMMC Level 2 certification and prohibits the use of additive manufacturing unless specifically authorized. Packaging and marking must comply with MIL-STD-2073-1E and MIL-STD-129, with destination inspection and acceptance governed by FAR 52.246-2.
ASC COMMODITIES DIVISION

POSTED

4 days ago

CLOSED

2 days ago
View Details
NAICS: 331210
New
DIBBS
Forging and Casting of Screw BlanksThe ASC Commodities Division of the Department of Defense is seeking a subcontractor for the forging and casting of metal blanks. These blanks will serve as the primary raw input required for the production of precision screws. The procurement falls under NAICS code 331210. The solicitation was posted on August 26, 2026, with a response deadline of September 3, 2026. Interested parties can find further details and submission requirements through the DIBBS portal using the provided solicitation link.
ASC COMMODITIES DIVISION

POSTED

4 days ago

DEADLINE

in 4 days
View Details
NAICS: 331210
New
DIBBS
TUBE, METALLIC
Solicitation # SPE7M4-26-T-367R
This contract is for the procurement of 545 feet of seamless annealed metallic tubing made from a 90-10 copper alloy, conforming to military specification MIL-T-16420. The tubing features a 4.5 inch outer diameter and a 0.109 inch wall thickness, with random lengths ranging from 144 to 300 inches. Key requirements include the provision of metal certifications with each shipment, which must be kept on file for five to ten years, and strict adherence to marking requirements every three feet, including the producer's name, contract number, and heat or lot number. The agreement prohibits the use of Class I ozone-depleting chemicals and the intentional addition of mercury, except in specific authorized cases. Quality assurance is governed by MIL-STD-1916 or ASQ H1331 sampling plans, with inspection and acceptance occurring at the origin. Packaging must comply with MIL-STD-2073-1E and MIL-C-3993, with delivery scheduled to the DLA Distribution facility in New Cumberland, Pennsylvania, by August 26, 2027.
FLUID HANDLING DIVISION

POSTED

4 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
New
DIBBS
Domestic Metal Forging and Casting Supplier
LAND SUPPLY CHAIN

POSTED

4 days ago

DEADLINE

in 9 days
View Details
NAICS: 331210
Closed
DIBBS
TUBE, METALLIC
Solicitation # SPE7M4-26-T-333A
This contract is for the procurement of 453 feet of metallic carbon steel tubing (1020) with a 1.000 inch outer diameter and 0.095 inch wall thickness. The tubing must be provided in random lengths between 12 and 24 feet and manufactured according to electric-resistance-welded carbon and alloy steel mechanical tubing specifications, specifically ASTM A513-06B. The order allows for a quantity variance of plus or minus 10 percent and requires delivery to DLA Distribution Red River in Texarkana, Texas, with a required delivery date of February 16, 2027. Quality assurance is governed by MIL-STD-1916 or ASQ H1331, with inspection and acceptance occurring at the destination. The supplier must provide metal certifications via CDRL-METALSCERT and adhere to DLA packaging requirements, including ASTM D3951 and MIL-STD-129 for marking and labeling. This procurement is conducted under full and open competition and incorporates technical and quality requirements from the DLA Master List.
FLUID HANDLING DIVISION

POSTED

4 days ago

CLOSED

2 days ago
View Details

Win Contracts in Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Get AI-powered intelligence on NAICS 331210 procurement

Real-time contract opportunities for NAICS 331210 (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel)

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