Olin Corporation headquarters details
- Street address
- 190 Carondelet Plaza, Suite 1530
- City
- Clayton
- State / region
- Missouri
- ZIP / postal code
- 63105
- Country
- United States
- Phone
- +1 844 238 3445
- Founded
- 1892
- Website
- olin.com
- Stock
- NYSE: OLN
Location map
Open in Google MapsAll Olin Corporation office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Clayton HQ | Missouri | United States | Headquarters |
Showing the headquarters of 88 recorded locations. See every location in GraphIQ →
About Olin Corporation
Olin Corporation (NYSE: OLN) is headquartered in Clayton, Missouri, United States. Founded in 1892, the company has 88 recorded locations across 13+ countries and employs approximately 7,700 people worldwide.
Where is Olin Corporation's main office?
Olin Corporation's main headquarters office is located at 190 Carondelet Plaza, Suite 1530, Clayton, Missouri 63105, United States. This is the company's primary corporate address.
Olin Corporation regional offices
Beyond its headquarters in Clayton, Olin Corporation has recorded locations in United States, Australia, Brazil, Canada, Chile, France, Indonesia, Mexico and 5 other countries.
Olin Corporation contact information
The main switchboard for Olin Corporation headquarters can be reached at +1 844 238 3445. Official website: olin.com.
What does Olin Corporation do?
Olin Corporation is an American manufacturer of ammunition, chlorine, and sodium hydroxide. The company traces its roots to two companies, both founded in 1892: Franklin W. Olin's Equitable Powder Company and the Mathieson Alkali Works. Accidents at Olin chemical plants have exposed employees and nearby residents to health hazards.
Olin Corporation competitors & similar companies
Frequently asked questions
Where is Olin Corporation headquarters?
Olin Corporation's headquarters is located at 190 Carondelet Plaza, Suite 1530, Clayton, Missouri 63105, United States.
How many offices does Olin Corporation have?
GraphIQ records 88 locations for Olin Corporation across 13+ countries, as of October 2026.
What is Olin Corporation's corporate address?
The corporate headquarters address is 190 Carondelet Plaza, Suite 1530, Clayton, Missouri 63105, United States.
When was Olin Corporation founded?
Olin Corporation was founded in 1892 and employs approximately 7,700 people.
What is Olin Corporation's phone number?
The main phone number for Olin Corporation headquarters is +1 844 238 3445.
How many employees does Olin Corporation have?
Olin Corporation has approximately 7,700 employees (GraphIQ estimate, 2026).
Is Olin Corporation a public company?
Yes. Olin Corporation is publicly traded on NYSE under the ticker OLN.