MPLX headquarters details
- Street address
- 200 East Hardin Street
- City
- Findlay
- State / region
- Ohio
- ZIP / postal code
- 45840-4963
- Country
- United States
- Phone
- +1 419 422 2121
- Founded
- 2012
- Website
- mplx.com
- Stock
- NYSE: MPLX
- linkedin.com/company/mplx-lp
Location map
Open in Google MapsAll MPLX office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Findlay HQ | Ohio | United States | Headquarters |
Showing the headquarters of 4 recorded locations. See every location in GraphIQ →
About MPLX
MPLX (NYSE: MPLX) is headquartered in Findlay, Ohio, United States. Founded in 2012, the company has 4 recorded locations across 2+ countries and employs approximately 5,560 people worldwide.
Where is MPLX's main office?
MPLX's main headquarters office is located at 200 East Hardin Street, Findlay, Ohio 45840-4963, United States. This is the company's primary corporate address.
MPLX regional offices
Beyond its headquarters in Findlay, MPLX has recorded locations in United States and France.
MPLX contact information
The main switchboard for MPLX headquarters can be reached at +1 419 422 2121. Official website: mplx.com.
What does MPLX do?
MPLX LP (MPLX) began trading on NYSE on October 26, 2012 and is a master limited partnership formed by Marathon Petroleum Corporation (MPC). The company’s assets consist of a network of common carrier crude oil and product pipeline systems, and associated crude oil and product storage assets in the Midwest and Gulf Coast regions of the U.S. MPLX owns, leases or has ownership interest in approximately 2,900 miles of pipeline across nine states. This network of petroleum pipelines is one of the largest in the U.S., based on total annual volumes delivered.
MPLX competitors & similar companies
Frequently asked questions
Where is MPLX headquarters?
MPLX's headquarters is located at 200 East Hardin Street, Findlay, Ohio 45840-4963, United States.
How many offices does MPLX have?
GraphIQ records 4 locations for MPLX across 2+ countries, as of October 2026.
What is MPLX's corporate address?
The corporate headquarters address is 200 East Hardin Street, Findlay, Ohio 45840-4963, United States.
When was MPLX founded?
MPLX was founded in 2012 and employs approximately 5,560 people.
What is MPLX's phone number?
The main phone number for MPLX headquarters is +1 419 422 2121.
How many employees does MPLX have?
MPLX has approximately 5,560 employees (GraphIQ estimate, 2026).
Is MPLX a public company?
Yes. MPLX is publicly traded on NYSE under the ticker MPLX.