ONEX headquarters details
- City
- Machida
- State / region
- Tokyo Prefecture
- ZIP / postal code
- 194-0022
- Country
- Japan
- Phone
- +81 46 285 3664
- Founded
- 1951
- Website
- onex.co.jp
- Stock
- JPX: 5987
Location map
Open in Google MapsAll ONEX office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Machida HQ | Tokyo Prefecture | Japan | Headquarters |
Showing the headquarters of 5 recorded locations. See every location in GraphIQ →
About ONEX
ONEX (JPX: 5987) is headquartered in Machida, Tokyo Prefecture, Japan. Founded in 1951, the company has 5 recorded locations and employs approximately 244 people worldwide.
Where is ONEX's main office?
ONEX's main headquarters office is located at Machida, Tokyo Prefecture 194-0022, Japan. This is the company's primary corporate address.
ONEX regional offices
Beyond its headquarters in Machida, ONEX has recorded locations in Japan.
ONEX contact information
The main switchboard for ONEX headquarters can be reached at +81 46 285 3664. Official website: onex.co.jp.
What does ONEX do?
ONEX CORPORATION is a Japan-based company engaged in the metal heat treatment business and transportation business. The Company has two business segments. The Metal Heat Treatment segment is involved in the metal heat treatment business such as carburizing heat treatment, nitriding heat treatment, quenching, tempering and annealing, as well as the metal straightening business to straighten bended and curved products generated from the metal heat treatment processes. The Transportation segment is engaged in the transportation and handling of industrial products and equipment, as well as the transportation of general cargos and heat treatment products.
Frequently asked questions
Where is ONEX headquarters?
ONEX's headquarters is located at Machida, Tokyo Prefecture 194-0022, Japan.
How many offices does ONEX have?
GraphIQ records 5 locations for ONEX, as of October 2026.
When was ONEX founded?
ONEX was founded in 1951 and employs approximately 244 people.
What is ONEX's phone number?
The main phone number for ONEX headquarters is +81 46 285 3664.
How many employees does ONEX have?
ONEX has approximately 244 employees (GraphIQ estimate, 2026).
Is ONEX a public company?
Yes. ONEX is publicly traded on JPX under the ticker 5987.