Mars headquarters details
- City
- McLean
- State / region
- Virginia
- ZIP / postal code
- 22101
- Country
- United States
- Phone
- +1 803 695 3198
- Founded
- 1911
- Website
- mars.com
- linkedin.com/company/mars
Location map
Open in Google MapsAll Mars office locations
| City | State / region | Country | Type |
|---|---|---|---|
| McLean HQ | Virginia | United States | Headquarters |
Showing the headquarters of 19 recorded locations. See every location in GraphIQ →
About Mars
Mars is headquartered in McLean, Virginia, United States. Founded in 1911, the company has 19 recorded locations and employs approximately 150,000 people worldwide.
Where is Mars's main office?
Mars's main headquarters office is located at McLean, Virginia 22101, United States. This is the company's primary corporate address.
Mars regional offices
Beyond its headquarters in McLean, Mars has recorded locations in United States.
Mars contact information
The main switchboard for Mars headquarters can be reached at +1 803 695 3198. Official website: mars.com.
What does Mars do?
Mars, Incorporated (doing business as Mars Inc) is an American multinational manufacturer of confectionery, pet food, and other food products and a provider of animal care services founded on June 23, 1911. Mars is headquartered in McLean, Virginia, in the Washington metropolitan area, and is entirely owned by the Mars family. The company had US$45 billion in annual sales in 2022; that year Forbes ranked the company as the fourth-largest privately held company in the United States.
Mars competitors & similar companies
Frequently asked questions
Where is Mars headquarters?
Mars's headquarters is located at McLean, Virginia 22101, United States.
How many offices does Mars have?
GraphIQ records 19 locations for Mars, as of October 2026.
When was Mars founded?
Mars was founded in 1911 and employs approximately 150,000 people.
What is Mars's phone number?
The main phone number for Mars headquarters is +1 803 695 3198.
How many employees does Mars have?
Mars has approximately 150,000 employees (GraphIQ estimate, 2026).