C E Niehoff & CO
At a glance
Employees100-499
In business since1923
HeadquartersEvanston, IL
US patents64
SAM.gov UEIFB8GQKV32CJ9
CAGE code76761
Incorporated inIL
LEI984500T7FC89097CFA82
- alternators
- power-management devices
- military
- rail
- construction
- mining
- hazardous location
- meeting
- collaboration
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
Certifications
ISO 9001
Patents
64 US patents granted 1976–2025, 2 of them in the five years to SEP 2025, including 20 design patents.
Electrical machinery, apparatus, energy 40Transport 3Control 1
- Manifold assembly for a fluid cooled generatorUS 12,341,400 · granted JUN 24, 2025
- Vehicle generator using battery charging profilesUS 11,811,248 · granted NOV 7, 2023
- Dual control loop for charging of batteriesUS 10,770,914 · granted SEP 8, 2020
- Dual coil generatorUS 9,973,124 · granted MAY 15, 2018
- Electric generatorUS D773995 · granted DEC 13, 2016
Newest 5 shown · Granted to C.E. Niehoff & Co. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| C E Niehoff & CO | Evanston | IL | 100–499 | 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.