Active Solicitation · DEPT OF DEFENSE

    MAMMOTH-CSO

    Sol. MAMMOTH_CSOSolicitationSPRINGFIELD, VA
    Open · 3d remaining
    DAYS TO CLOSE
    3
    closes Jun 26, 2026
    POSTED
    Jun 16, 2026
    Publication date
    NAICS CODE
    541519
    Primary industry classification
    PSC CODE
    DH01
    Product & service classification

    AI Summary

    The National Geospatial-Intelligence Agency (NGA) has issued a solicitation for the MAMMOTH Commercial Solutions Opening (CSO). Interested parties must possess a TS/SCI clearance and access the classified IC-ARC website. The submission deadline is extended to June 26, 2026, at 1300 ET. For account access, contact the ACE IT Helpdesk.

    Contract details

    Solicitation No.
    MAMMOTH_CSO
    Notice Type
    Solicitation
    Posted Date
    June 16, 2026
    Response Deadline
    June 26, 2026
    NAICS Code
    541519AI guide
    PSC / Class Code
    DH01
    Contract Code
    97AB
    Issuing Office
    ATTN: MS S84 - OCS
    Primary Contact
    Tamara George
    State
    VA
    ZIP Code
    22150-7500
    AI Product/Service
    service

    Description

    ******************************************************************************************** Update 6/16/2026: MAMMOTH CSO submission date extended to 26 June 2026 at 1300 ET. Interested parties must have a TS/SCI clearance as this effort is posted on the classified ARC website. To obtain a classified ARC account, interested parties must contact the ACE IT Helpdesk which can be reached at their secure line 855-4223 or their classified email at ACEHELPDESK@ace.svc.nro.ic.gov. Be sure to include your classified email address in the request as you will not be able to access your classified account without it. ******************************************************************************************** The National Geospatial-Intelligence Agency (NGA) has posted the MAMMOTH Comnmercial Solutions Opening (CSO) to the CLASSIFIED Intelligence-Community Acquisition Research Center (IC-ARC) website under solicitation number HM047626SC001. Interested parties must have a classified IC-ARC account to access the classified IC-ARC website at https://acq-ui.ace.proj.nro.ic.gov/. To obtain a classified IC-ARC account, please contact the Classified IC-ARC Technical Support team at the following information: Classified Email - ACEHELPDESK@ace.svc.nro.ic.gov to request an account. For questions, please contact ACE help desk: Secure line: 855-4223

    Key dates

    1. June 16, 2026Posted Date
    2. June 26, 2026Proposals / Responses Due

    AI search tags

    Frequently asked questions

    MAMMOTH-CSO is a federal acquisition solicitation issued by DEPT OF DEFENSE. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

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