FactoryRegistry
Claim a page

Duo LLC

1721 S Charles St, Baltimore, MD 21230

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

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

Visit websiteDirectionsGo to companyClaim this pageGet the badge
Homepage of Duo LLC
Their homepage, crawled JUL 2026

What they make

Sign Manufacturing339950

DUO Signage + Graphics designs, produces, and installs custom signage and large-format graphics. The company uses large-format printing and CNC routing in its production process. It serves organizations across the United States that need wayfinding and branded spaces.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

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

Other plants nearby

FacilityCityIndustryStatusDistance
Partsmaster INCBaltimoreIndustrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
333924
ACTIVE0.6 KM
Triangle Sign and Service, LLCBaltimoreSign Manufacturing
339950
UNVERIFIED1.2 KM
Enterprise Furniture Consultants, INCBaltimoreOffice Furniture (except Wood) Manufacturing
337214
LIKELY ACTIVE2.0 KM
Stx, LLCBaltimoreSporting and Athletic Goods Manufacturing
339920
LIKELY ACTIVE1.9 KM
Kaydon Ring & Seal INCBaltimoreBall and Roller Bearing Manufacturing
332991
LIKELY ACTIVE1.9 KM

Every listed plant in Baltimore County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGJAN 2026JAN 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVJAN 2026
CAGE CODESAM GOVJAN 2026
CITYSAM GOVJAN 2026
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVJAN 2026
REGISTRATION EXPIRATIONSAM GOVJAN 2026
STATESAM GOVJAN 2026
WEBSITESAM GOVJAN 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Report a correction · Request removal