Twinco Mfg. CO. INC
At a glance
Employees20-99
In business since1965
HeadquartersHauppauge, NY
SAM.gov UEINN3NEKZCF4Q5
CAGE code5Y047
Incorporated inNY
- electro-mechanical products
- engineering support
- production
- Hauppauge Industrial Park
- tools
- skills
- transit industry
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Twinco Mfg. CO. INC | Hauppauge | NY | 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.