Duo LLC

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Their homepage, crawled JUL 31, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Sign Manufacturing

HeadquartersBaltimore, MD

SAM.gov UEIXEGQJCTHLLC5

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.

Facility	City	State	Employees	Status
Duo LLC	Baltimore	MD	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.