MAMMOTH-CSO


Subject: MAMMOTH-CSO
Solicitation Number: MAMMOTH_CSO
Notice Type: SOLICIT
NAICS: 541519
Notice Published: 06-16-26
Response Due: 06-26-26

Agency: DEPT OF DEFENSE
Office: NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY (NGA)
Contact: Tamara George This email address is being protected from spambots. You need JavaScript enabled to view it. Ph: (571) 557-8776
Office Address: SPRINGFIELD, VA 22150-7500
Place of Performance: Springfield, VA 22150

Related Notices:
        06-08-26 SOLICIT

        06-25-26 SOLICIT


Click for official SAM (FBO) notice, additional information, and accompanying attachments

******************************************************************************************** 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 This email address is being protected from spambots. You need JavaScript enabled to view it.. 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 - This email address is being protected from spambots. You need JavaScript enabled to view it. to request an account. For questions, please contact ACE help desk: Secure line: 855-4223