Operating signal within 12 months from two or more independent sources.
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
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Partsmaster INC | Baltimore | Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing 333924 | ACTIVE | 0.6 KM |
| Enterprise Furniture Consultants, INC | Baltimore | Office Furniture (except Wood) Manufacturing 337214 | ACTIVE | 2.0 KM |
| Stx, LLC | Baltimore | Sporting and Athletic Goods Manufacturing 339920 | LIKELY ACTIVE | 1.9 KM |
| Kaydon Ring & Seal INC | Baltimore | Ball and Roller Bearing Manufacturing 332991 | UNVERIFIED | 1.9 KM |
| Caitec CORP. | Baltimore | All Other Miscellaneous Manufacturing 339999 | UNVERIFIED | 2.1 KM |
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 websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord 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


