samsearch
    Platform
    01InfluenceShape the requirement before it's on your competitor's radar.
    Signal
    Recompete window opens in 42 days
    Facilities maintenance IDIQ$8.4M
    Forecast
    Agency spend up 18% next FY
    DoD facilitiesQ3 window
    02CaptureFind and qualify the work across every market.
    Federal91%
    Network engineering support — GSA MAS
    GSA541512
    SLED88%
    Custodial services — Fairfax County Public Schools
    K-12561720
    DIBBS79%
    Aircraft hydraulic fitting — DLA Aviation
    DLANSN 5330
    03AnalyzeExtract requirements and build the compliance matrix.
    Compliance matrix
    L.2.1Technical approachVol I
    L.3.4Staffing planVol I
    M.1Past performanceEvaluated
    SOW breakdown
    Requirements extracted38
    Mapped to Section L/M38
    Every extractionCited
    Ask Sammy
    “Do we meet the small business set-aside?”
    04ManageRun the pursuit through to award.
    Pipeline
    QualifyFacilities support · USACE
    CaptureComms upgrade · DLA
    ProposalShipyard dredging · NAVSEA
    PriyaAlex
    This week
    Submit past performance refsThu
    Confirm subK teamingFri
    Upload SF 33Mon
    05RespondDraft and submit your response.
    Drafting · Volume I
    247 words
    RFI response
    CompanyAcme Robotics LLC
    UEIJK4M8…
    Capability narrativeDrafted
    06FinanceGet paid faster on what you win.
    Capital available
    $2.4M against your award
    Facilities maintenance IDIQAwarded
    Partner matched
    LenderFederal Capital Partners
    Draw available$2.4M
    UnderwritingCleared
    The platform
    Influence
    Capture
    Analyze
    Manage
    Respond
    Finance
    One pipeline, six stages, start to award.
    See the whole platform
    Solutions
    By industry
    Tech & softwareSoftware and SaaS companies entering GovCon.Defense contractorsPrimes and subs in the defense industrial base.ConstructionBuilders bidding federal, state, and local work.CybersecuritySecurity vendors pursuing federal mandates.
    By team
    Capture managers & BDPipeline, qualification, and win strategy.Proposal teamsCompliance matrices and proposal drafting.Subcontractors & primesTeaming, subcontracting, and partner fit.
    By company size
    Small businessesSet-aside and small business contractors.EnterpriseLarge contractors running multiple pursuits.ConsultantsAdvisors and capture consultants.
    Browse all industries
    CustomersPricing
    ResourcesNew
    Learn
    AcademyCourses, guides, and playbooks.WebinarsLive sessions and recordings.DocsProduct documentation and setup guides.Implementation planOperational rollout guidance.
    Tools & data
    Free GovCon toolsCalculators, lookups, and more.Gov ExploreContracts, agencies, and NAICS codes.GovCon eventsConferences, training, and set-aside events.
    Latest blogIntroducing the New SamSearch: The Operating System for Government ContractingSamSearch has a new brand, a new site, and a new way of explaining what the platform actually does — the operating system for government contracting, organized around six stages instead of a single search box. Here's what changed and why.Read the post →
    All resources and tools
    Sign inRequest a demo
    /

    SamSearch Platform

    Stop searching. Start winning.

    AI-powered intelligence for the right opportunities, the right leads, and the right time.

    Book a Demo
    samsearch

    The Complete AI Platform for Government Contracting

    Platform
    • Product
    • Pricing
    • ROI calculator
    • Integrations
    • Changelog
    Solutions
    • Solutions
    • Customers
    • Comparisons
    • Market watch
    Resources
    • Blog
    • Free GovCon tools
    • Glossary
    • Docs
    Company
    • API & partnerships
    • Careers
    • Support
    • Compliance
    • Trust centre
    • Contact
    Recognised & verified
    SOC 2 Type II Compliant, SamSearchAWS Partner - Advanced, SamSearch on AWS MarketplaceGartner Peer Insights Customer First, SamSearch
    Ask AI about samsearch
    Ask ChatGPTAsk ClaudeAsk Perplexity
    Follow

    © 2026 samsearch. All rights reserved.

    Terms of usePrivacy policy
    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /335991

    NAICS Demand Lane

    Carbon and Graphite Product Manufacturing, Contract Opportunities

    220 total opportunities (220 active) tied to NAICS 335991 across federal, state, local, and forecast sources.
    NAICS 335991Federal + SLED220 total
    View NAICS definition →
    Total Opportunities
    220
    Across all indexed sources
    Active Estimate
    220
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 335991.

    DEPT OF DEFENSE

    CARBON FILTER PELLET REMOVAL AND REPLACEMENT- AMENDMENT 3

    Active

    AI Summary

    The 3rd Maintenance Squadron at Joint Base Elmendorf-Richardson requires carbon filter media delivery, installation, and disposal of spent carbon for air filtration systems in two buildings. The project includes providing 34,000 lbs of carbon pellets and adhering to OEM instructions for installation. Contractors must f…

    AK

    Posted Aug 25, 2026Due Aug 29, 2026SolicitationNAICS 335991No Set aside usedSol: FA500026Q0037
    View details→

    DEPT OF DEFENSE

    59--RING ASSEMBLY,ELECTRIC

    Active

    AI Summary

    The Department of Defense is seeking quotes for 27 units of electric ring assembly, NSN 5977014329249. This is a source controlled item, and only approved sources may submit quotes. The solicitation is available electronically, and all quotes must be submitted electronically as well.

    VA

    Posted Aug 24, 2026Due Sep 1, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T22BL
    View details→

    DEPT OF DEFENSE

    59--BRUSH,ELECTRICAL CONTA

    Active

    AI Summary

    The Department of Defense is seeking quotes for 6 units of electrical contact brushes under NSN 5977017077249. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote, which will be considered if timely received.

    VA

    Posted Aug 23, 2026Due Aug 31, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T21PG
    View details→

    DEPT OF DEFENSE

    59--GROUNDING ASSEMBLY,

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 4 units of grounding assembly (NSN 5977016469894) under a combined synopsis/solicitation. The solicitation is available electronically, and hard copies will not be provided. All responsible sources are encouraged to submit their quotes electronically by the specified dead…

    VA

    Posted Aug 18, 2026Due Aug 26, 2026Combined Synopsis/SolicitationNAICS 335991Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T19RJ
    View details→

    DEPT OF DEFENSE

    59--SEGMENT,RING,ELECTRICA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of 4 units of electrical segment ring, NSN 5977013235398. This opportunity is available through an RFQ, and all responsible sources may submit their quotes electronically. Specifications and hard copies are not available.

    VA

    Posted Aug 18, 2026Due Aug 26, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T19HG
    View details→

    DEPT OF DEFENSE

    59--BRUSH,ELECTRICAL CONTA

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 6 units of electrical contact brushes under NSN 5977017077249. This opportunity is set aside for WOSB and requires electronic submission of quotes. The solicitation is available online, and hard copies will not be provided.

    VA

    Posted Aug 13, 2026Due Aug 20, 2026Combined Synopsis/SolicitationNAICS 335991SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: SPE4A626T16KS
    View details→

    DEPT OF DEFENSE

    ELECTRODE

    Active

    AI Summary

    The Department of Defense is soliciting bids for electrodes to be used in crucial shipboard systems. The material must meet specific certification and quality requirements to ensure safety and reliability. Interested bidders should refer to the detailed specifications and requirements outlined in the solicitation docum…

    PA

    Posted Aug 5, 2026Due Sep 4, 2026SolicitationNAICS 335991Sol: N0010426QFG58
    View details→

    DEPT OF DEFENSE

    59--HOLDER,ELECTRICAL C

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 43 units of electrical holders under NSN 5977013305984. This opportunity is a Request for Quotation (RFQ) and requires electronic submission of quotes. Interested vendors can access the solicitation online, as hard copies are not available.

    VA

    Posted Aug 4, 2026Due Aug 12, 2026Combined Synopsis/SolicitationNAICS 335991Sol: SPE4A626T12RG
    View details→

    DEPT OF DEFENSE

    59--HOLDER,ELECTRICAL C

    Archived

    AI Summary

    The Department of Defense is soliciting quotes for 43 units of electrical holders under NSN 5977013305984. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and hard copies are not available. The solicitation will be accessible via the p…

    VA

    Posted Jul 27, 2026Due Aug 4, 2026Combined Synopsis/SolicitationNAICS 335991Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T09UM
    View details→

    DEPT OF DEFENSE

    59--BRUSH,ELECTRICAL CO

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of electrical brushes under NSN 5977013747662. This opportunity is set aside for small businesses and requires delivery to DLA Distribution. Quotes must be submitted electronically, and hard copies of the solicitation are not available.

    VA

    Posted Jun 25, 2026Due Jul 6, 2026Combined Synopsis/SolicitationNAICS 335991Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A626T01EW
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    220
    sled
    0
    forecast
    0

    Related NAICS Codes

    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing →
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing →
    • 331222, Steel Wire Drawing →

    Explore

    • 335991 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 335991

    This industry comprises establishments primarily engaged in manufacturing carbon and graphite products, such as carbon electrodes, carbon brushes, and graphite shapes. These products are used in various industrial applications including electrical, mechanical, and chemical processes.

    Read the full NAICS definition →