Who owns CAGE code 21MM9?

CAGE code 21MM9 belongs to MAINESTREAM LLC, WASHINGTON, DC. Its SAM.gov registration is Active and expires 2027-06-29, per the SAM.gov public extract dated 2026-07-05.

ActiveExpires in 344 days

Registry identity

Unique Entity ID (UEI)

G2Q5EE9NRFF5

CAGE Code

21MM9

Registration status

Active

This entity has an active SAM.gov registration and is eligible to receive federal awards.

Registration expires

2027-06-29

344 days from today.

Registered location

WASHINGTON, DC, 20001

Industry classification (NAICS)

Primary NAICS

812112

339999· Other Miscellaneous Manufacturing456120456199458110611519812112812199

Questions this record answers

Who is UEI G2Q5EE9NRFF5?
UEI G2Q5EE9NRFF5 is MAINESTREAM LLC, WASHINGTON, DC. The Unique Entity ID is the 12-character identifier that replaced the DUNS number in SAM.gov in April 2022. Per the SAM.gov public extract dated 2026-07-05, this entity's registration is Active.
Who owns CAGE code 21MM9?
CAGE code 21MM9 belongs to MAINESTREAM LLC, WASHINGTON, DC (UEI G2Q5EE9NRFF5). Per the SAM.gov public extract dated 2026-07-05, its registration is Active.
What is CAGE code 21MM9?
CAGE code 21MM9 is the Commercial and Government Entity code assigned by the Defense Logistics Agency to MAINESTREAM LLC. It identifies the entity on federal contracts, packaging, and technical data, and links it to its SAM.gov registration.
Is MAINESTREAM LLC registered in SAM.gov?
Per the SAM.gov public extract dated 2026-07-05, MAINESTREAM LLC has a SAM.gov registration with status Active. This entity has an active SAM.gov registration and is eligible to receive federal awards. For the authoritative live record, confirm at SAM.gov.
When does MAINESTREAM LLC's SAM.gov registration expire?
MAINESTREAM LLC's SAM.gov registration expires 2027-06-29, per the public extract dated 2026-07-05. That is about 344 days from today. SAM.gov registrations must be renewed every 12 months.
Where is MAINESTREAM LLC located?
MAINESTREAM LLC is registered in SAM.gov at WASHINGTON, DC, 20001. This is the entity's registered physical address in the SAM.gov public extract dated 2026-07-05.

Data from the SAM.gov public monthly extract dated 2026-07-05. SAM.gov data is public domain. This is a point-in-time snapshot; for the authoritative live record, confirm at SAM.gov. To check debarment or exclusion status, see the exclusions records on SAM.gov.