Showa Denko headquarters details
- Street address
- 1-9-1 Higashi-Shimbashi
- State / region
- Tokyo Prefecture
- ZIP / postal code
- 105-7325
- Country
- Japan
- Phone
- +81 3 6263 8000
- Founded
- 1939
- Website
- resonac.com
- Stock
- JPX: 4004
Location map
Open in Google MapsAll Showa Denko office locations
| City | State / region | Country | Type |
|---|---|---|---|
| — | Oberösterreich | Austria | Office |
Showing 1 of 14 recorded locations. See every location in GraphIQ →
About Showa Denko
Showa Denko (JPX: 4004) is headquartered in Tokyo Prefecture, Japan. Founded in 1939, the company has 14 recorded locations across 6+ countries and employs approximately 10,864 people worldwide.
Showa Denko regional offices
Beyond its headquarters, Showa Denko has recorded locations in Austria, Germany, Japan, Malaysia, Spain and United States.
Showa Denko contact information
The main switchboard for Showa Denko headquarters can be reached at +81 3 6263 8000. Official website: resonac.com.
What does Showa Denko do?
Resonac Holdings Corporation manufactures and distributes chemical products. The Company produces synthetic resins, petrochemical products, inorganics, and other related products. Resonac Holdings also produces ceramics, metals, carbon, electronic materials, and other products.
Showa Denko competitors & similar companies
Frequently asked questions
Where is Showa Denko headquarters?
Showa Denko's headquarters is located at 1-9-1 Higashi-Shimbashi, Tokyo Prefecture 105-7325, Japan.
How many offices does Showa Denko have?
GraphIQ records 14 locations for Showa Denko across 6+ countries, as of October 2026.
What is Showa Denko's corporate address?
The corporate headquarters address is 1-9-1 Higashi-Shimbashi, Tokyo Prefecture 105-7325, Japan.
When was Showa Denko founded?
Showa Denko was founded in 1939 and employs approximately 10,864 people.
What is Showa Denko's phone number?
The main phone number for Showa Denko headquarters is +81 3 6263 8000.
How many employees does Showa Denko have?
Showa Denko has approximately 10,864 employees (GraphIQ estimate, 2026).
Is Showa Denko a public company?
Yes. Showa Denko is publicly traded on JPX under the ticker 4004.