Allegheny Valve & Coupling, INC.
Doing business as Allegheny Coupling Company
At a glance
Employees20-99
In business since1955
HeadquartersWarren, PA
US patents2
SAM.gov UEILAK8E9C1LQJ6
CAGE code3HMC9
Incorporated inPA
Brands
This company sells these brands.
- bends
- couplings
- valves
- tubes
- pipes
- welders
- QW-200.1
- Section IX
- customized assemblages
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 2009–2010, none of them in the five years to SEP 2025.
Mechanical elements 2
- CouplingUS 7,828,340 · granted NOV 9, 2010
- Valve arrangementUS 7,578,496 · granted AUG 25, 2009
Granted to Allegheny Coupling Company, Allegheny Valve and Coupling, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Allegheny Valve & Coupling, INC. | Warren | PA | 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.