William P. Gelberg INC.
Doing business as William P Gelberg INC
At a glance
Employees20-99
In business since1941
Industry
HeadquartersWashington, DC
SAM.gov UEIWGL2M1N3C6G5
CAGE code3YHX9
Incorporated inDC
Brands
Under Armour
Hoffman Associates
Washington Nationals Emblem
George Washington University
Ben's Chilli Bowl
WMATA MetroThis company sells these brands.
- custom signs
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsMinority Owned BusinessWoman Owned Business
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| William P. Gelberg INC. | Washington | DC | — | 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.