Mammoth-CSO

Closed Solicitation Posted

Solicitation number
MAMMOTH_CSO
Agency
Responses due
Set-aside
No set-aside

Opportunity facts

Place of performance
Springfield, Virginia 22150, United States

Notice details come from SAM.gov. Updated .

About this opportunity

Written by GovTribe AI ·

The National Geospatial-Intelligence Agency seeks commercial solutions under the MAMMOTH CSO, with proposals due July 2, 2026 at 1300 ET. The solicitation is posted on the classified Intelligence-Community Acquisition Research Center (IC-ARC) website under number HM047626SC001, requiring all interested parties to hold TS/SCI clearance and maintain a classified IC-ARC account to access the opportunity.

Place of performance is Springfield, Virginia. The NAICS code is 541519, Other Computer Related Services; the PSC is DH01, IT and Telecom — Platform Support Services: Database, Mainframe, Middleware (Labor). Access the solicitation at https://acq-ui.ace.proj.nro.ice.gov/. Questions and account requests go to the ACE IT Helpdesk via secure line 855-4223 or classified email ACEHELPDESK@ace.svc.nro.ic.gov; include your classified email address in account requests.

Note: The submission deadline was extended twice — most recently on June 25 from June 26 to July 2, 2026.

Notice text

3 versions

Update #3 · Latest ·

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Update 6/25/2026: MAMMOTH CSO submission date extended to 02 July 2026 at 1300 ET. 

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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.

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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

Update #2 ·

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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

Update #1 ·

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

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