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Duo LLC

1721 S Charles St, Baltimore, MD 21230

ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Duo LLC
Their homepage, crawled JUL 2026

What they make

Sign Manufacturing339950
  • Graphics
  • printing
  • CNC routing
  • production
  • organizations

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

39.27028, -76.61387 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

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Every listed plant in Baltimore County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 8 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen SEP 2026
  • SAM.gov entity registrationOPERATING
    Record XEGQJCTHLLC5 · first seen JAN 2026 · last seen JAN 2026

IN BALTIMORE COUNTY12 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 5 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name
SAM.gov: DUO LLC · JAN 2026
Street address
SAM.gov: 1721 S CHARLES ST · JAN 2026
City
SAM.gov: BALTIMORE · JAN 2026
State
SAM.gov: MD · JAN 2026
Coordinates
Census geocoder: 39.270283587156,-76.613868349598 · JUL 2026
Website
SAM.gov: www.duo-graphics.com · JAN 2026
CAGE code
SAM.gov: 7S5B0 · JAN 2026
SAM registration expires
SAM.gov: 2027-01-06 · JAN 2026

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