Smi & Hydraulics INC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersPorter, MN
US patents1
SAM.gov UEIK2TSPNNANML5
CAGE code1RV27
Incorporated inMN
- structural steel
- storage vessels
- hydraulic cylinders
- jacks
- power units
- Welding
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted OCT 22, 2013.
Machine tools 1
- Rounding system and method used in the manufacture of wind towersUS 8,561,445 · granted OCT 22, 2013
Granted to SMI & Hydraulics, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Smi & Hydraulics INC | Porter | MN | 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.


