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NAICS Code· 335991

Carbon and Graphite Product Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing carbon, graphite, and metal-graphite brushes and brush stock; carbon or graphite electrodes for thermal and electrolytic uses; carbon and graphite fibers; and other carbon, graphite, and metal-graphite products. Cross-References.Show more

NAICS 335991 – Carbon and Graphite Product Manufacturing encompasses the production of specialized materials composed of carbon and graphite, including electrodes, crucibles, brushes, seals, heat sinks, and structural components used in high-temperature, high-wear, or electrically conductive environments. These products are critical in aerospace propulsion systems, nuclear reactor components, semiconductor manufacturing equipment, and advanced defense applications requiring thermal stability and electrical insulation.

5
Active Contracts
$15.5M
Total Obligations (12mo)
82
Awarded Contracts (12mo)
55
Contractors Awarded (12mo)
+50.2%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 335991.

AI Industry Description

NAICS 335991 – Carbon and Graphite Product Manufacturing encompasses the production of specialized materials composed of carbon and graphite, including electrodes, crucibles, brushes, seals, heat sinks, and structural components used in high-temperature, high-wear, or electrically conductive environ...

NAICS 335991 – Carbon and Graphite Product Manufacturing encompasses the production of specialized materials composed of carbon and graphite, including electrodes, crucibles, brushes, seals, heat sinks, and structural components used in high-temperature, high-wear, or electrically conductive environments. These products are critical in aerospace propulsion systems, nuclear reactor components, semiconductor manufacturing equipment, and advanced defense applications requiring thermal stability and electrical insulation. The manufacturing process involves graphitization, molding, extrusion, and precision machining under tightly controlled conditions to meet stringent military and aerospace specifications. Within the federal contracting landscape, this NAICS supports mission-critical systems where material performance directly impacts safety, reliability, and operational longevity. No contractor data is available to identify top performers in this sector. However, contractors typically include specialized materials manufacturers, advanced ceramics firms, and niche industrial suppliers, ranging from small businesses with proprietary processing techniques to large defense primes with in-house materials divisions. The competitive landscape is characterized by high technical barriers to entry, long qualification cycles, and reliance on proprietary formulations and certified production methods. No agency data is available to identify primary buyers. Demand is likely driven by the Department of Defense for missile and hypersonic systems, the Department of Energy for nuclear research facilities, NASA for launch vehicle components, and the Department of Homeland Security for specialized detection and shielding equipment. Procurement is often tied to R&D programs, sustainment of legacy systems, and modernization of high-performance platforms. The market is highly specialized with low contractor density and high barriers to entry due to material science expertise and regulatory compliance requirements. Opportunities exist for firms with AS9100 or ISO 9001 certification, experience in government-qualified supplier lists, and the ability to produce small-batch, high-integrity components. Growth is tied to advancements in hypersonics, nuclear energy, and next-generation electronics, where carbon and graphite materials remain irreplaceable.

Top Contractors

Companies with the highest total award value under NAICS 335991, ranked by dollars won.

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NAICS 335991 FAQ

Frequently Asked Questions

NAICS code 335991 covers Carbon and Graphite Product Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing carbon, graphite, and metal-graphite brushes and brush stock; carbon or graphite electrodes for thermal and electrolytic uses; carbon and graphite fibers; and other carbon, graphite, and metal-graphite products. Cross-References.

Recently Posted in Carbon and Graphite Product Manufacturing

NAICS: 335991
Awarded
DIBBS
CLAMP, ELECTRICALThe Defense Logistics Agency awarded Contract SPE7M126PZ076 on July 13, 2026, to CAGE code 19207 for the procurement of a single electrical clamp item identified by NSN 5999010095459, with a total contract value of $150,925.00. The award was processed as a unilateral modification under simplified acquisition procedures, referencing FAR 13.302(a) or 12.303(a), and administered through the DIBBS portal. The contract does not include detailed line-item pricing, quantities, delivery schedules, or FOB terms, and no specific packaging, inspection, or technical specifications are documented. The only explicitly incorporated clause is FAR 52.222-90, addressing discrimination based on diversity, equity, and inclusion, which was added via deviation 2026-00040, Revision 1, and applies to the contractor’s compliance obligations. The contractor is required to submit a Post-Award Request through DIBBS, and all communications must reference the amendment number P00001. The contracting officer is Jeremiah Young, reachable through the DLA Land and Maritime office, with payment issued by DLA Land and Maritime in Columbus, Ohio, and potential delivery originating from the U.S. Army Tank Automotive Command in Warren, Michigan. No contract type is specified, socioeconomic status or small business designation is stated, and no Contracting Officer’s Representative or quality inspection standards are identified. The entire award is structured as a minimal administrative modification with no options, performance metrics, or cost breakdowns documented beyond the total dollar amount.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 335991
New
DIBBS
BRUSH, ELECTRICAL COThe contract pertains to the procurement of 21 electrical brush units with part number 806780-0-01 and NSN 5977-01-487-4875, to be delivered FOB origin with no variance in quantity. Delivery is required within 169 days, with an original due date of September 23, 2026, and a need ship date of January 3, 2027. The item is designated as a critical application and must comply with stringent quality and packaging standards, including MIL-STD-2073-1E for preservation and MIL-STD-129 for marking, with no special marking required. All packaging must adhere to DLA’s packaging requirements, and mercury or mercury-containing compounds are strictly prohibited in preservation, packaging, and marking processes, with limited exceptions for functional uses in fluorescent lamps or instruments, which must include a secondary containment boundary as specified by NAVSEA 5100-003D. Sampling and inspection are governed by MIL-STD-1916 or ASQ H1331 with zero non-conformances required unless otherwise stated, and inspection and acceptance occur at origin. Documentation must include a Certificate of Conformance unless withheld by a Quality Assurance Letter of Instruction, and all technical and quality requirements are incorporated by reference from the DLA Master List. The item is to be delivered to the specified warehouse in Tracy, CA, and transportation is subject to DLAD procedural notes C19 and C20.
ASC COMMODITIES DIVISION

POSTED

5 days ago

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in 3 days
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