Hollaender Manufacturing CO
At a glance
Employees20-99
In business sinceNot reported
HeadquartersCincinnati, OH
US patents5
SAM.gov UEIEMWGN2TV5RF6
CAGE code00403
Incorporated inOH
- aluminum pipe fittings
- solar panel racking systems
- galvanized steel
- stainless steel
- black iron
- amusement
- treatment
- aerospace
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
5 US patents granted 1979–1995, none of them in the five years to SEP 2025, including 3 design patents.
Mechanical elements 2
- Split corner ell slip-on pipe fittingUS D365403 · granted DEC 19, 1995
- Split tee slip-on pipe fittingUS D362916 · granted OCT 3, 1995
- Split corner slip-on pipe fittingUS D361847 · granted AUG 29, 1995
- Fitting for structural pipeUS 4,540,307 · granted SEP 10, 1985
- Fitting for structural pipeUS 4,146,341 · granted MAR 27, 1979
Granted to The Hollaender Manufacturing Co. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Hollaender Manufacturing CO | Cincinnati | 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.


