Terrco INC
At a glance
Employees1-19
In business since1936
HeadquartersWatertown, SD
SAM.gov UEILK2ZM3F5D3B1
CAGE code6H565
Incorporated inSD
Brands
This company sells these brands.
- grinding/polishing equipment
- flexible shaft grinders
- railroad grinders
- woodcarvers
- densifying
- dyeing
- sealing
- floors
- removal applications
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
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Terrco INC | Watertown | SD | 1–19 | 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.





