O&k American headquarters details
- Street address
- 4630 W 55th St
- City
- Chicago
- State / region
- Illinois
- ZIP / postal code
- 60632
- Country
- United States
- Phone
- +1 773 767 2500
- Founded
- 1949
- Website
- o-and-k.co.jp
Location map
Open in Google MapsAll O&k American office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Chicago HQ | Illinois | United States | Headquarters |
Showing the headquarters of 4 recorded locations. See every location in GraphIQ →
About O&k American
O&k American is headquartered in Chicago, Illinois, United States. Founded in 1949, the company has 4 recorded locations and employs approximately 175 people worldwide.
Where is O&k American's main office?
O&k American's main headquarters office is located at 4630 W 55th St, Chicago, Illinois 60632, United States. This is the company's primary corporate address.
O&k American regional offices
Beyond its headquarters in Chicago, O&k American has recorded locations in United States.
O&k American contact information
The main switchboard for O&k American headquarters can be reached at +1 773 767 2500. Official website: o-and-k.co.jp.
What does O&k American do?
O&K American Corporation manufactures steel products. The Company offers cold heading steel wires, wire pullers, dies, pointers, coiler, and other steel products. O&K American operates in the United States.
Frequently asked questions
Where is O&k American headquarters?
O&k American's headquarters is located at 4630 W 55th St, Chicago, Illinois 60632, United States.
How many offices does O&k American have?
GraphIQ records 4 locations for O&k American, as of October 2026.
What is O&k American's corporate address?
The corporate headquarters address is 4630 W 55th St, Chicago, Illinois 60632, United States.
When was O&k American founded?
O&k American was founded in 1949 and employs approximately 175 people.
What is O&k American's phone number?
The main phone number for O&k American headquarters is +1 773 767 2500.
How many employees does O&k American have?
O&k American has approximately 175 employees (GraphIQ estimate, 2026).