Master Mfg. Co., INC.
Doing business as Master Manufacturing
At a glance
Employees20-99
In business since1951
HeadquartersCleveland, OH
US patents7
SAM.gov UEIP5MUMEP94KH7
CAGE code22117
Incorporated inOH
- casters
- doorstops
- glides
- floor protection
- wire management raceways
- education
- medical
Named on the company’s own website, read AUG 11, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsWoman Owned BusinessWoman Owned Small Business
Self-certified by the company in its SAM.gov registration
Patents
7 US patents granted 1991–2017, none of them in the five years to SEP 2025, including 2 design patents.
Transport 3Furniture, games 2
- Wheel assembly with rolling and swiveling capabilityUS 9,764,593 · granted SEP 19, 2017
- Organizer including resilient retaining membersUS 7,028,854 · granted APR 18, 2006
- Point of purchase displayUS D504821 · granted MAY 10, 2005
- Roller components for atachment to an article of luggageUS 5,634,240 · granted JUN 3, 1997
- Adjustable seat and back cushionUS 5,433,505 · granted JUL 18, 1995
Newest 5 shown · Granted to Master Manufacturing Co., Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Master Mfg. Co., INC. | Cleveland | OH | 20–99 | 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.