U.S. Steel logo

U.S. Steel Headquarters & Office Locations

Verified data Mining and Metals 55,000 employees 69 locations worldwide

Headquarters: 600 Grant Street, Pittsburgh, Pennsylvania 15219, United States

GraphIQ records this company as acquired (parent: Nippon Steel Corporation).

Data last updated · Sourced via GraphIQ

Headquarters
Pittsburgh, PA
United States
Total locations
69
recorded by GraphIQ
Employees
55,000
est. 2026

U.S. Steel headquarters details

Street address
600 Grant Street
City
Pittsburgh
State / region
Pennsylvania
ZIP / postal code
15219
Country
United States
Founded
1901

All U.S. Steel office locations

69 total
CityState / regionCountryType
Pittsburgh HQPennsylvaniaUnited StatesHeadquarters

Showing the headquarters of 69 recorded locations. See every location in GraphIQ →

About U.S. Steel

U.S. Steel is headquartered in Pittsburgh, Pennsylvania, United States. Founded in 1901, the company has 69 recorded locations and employs approximately 55,000 people worldwide.

Where is U.S. Steel's main office?

U.S. Steel's main headquarters office is located at 600 Grant Street, Pittsburgh, Pennsylvania 15219, United States. This is the company's primary corporate address.

U.S. Steel regional offices

Beyond its headquarters in Pittsburgh, U.S. Steel has recorded locations in United States.

U.S. Steel contact information

The main switchboard for U.S. Steel headquarters can be reached at +1 412 433 1121. Official website: ussteel.com.

What does U.S. Steel do?

The United States Steel Corporation is a Japanese-owned American steel company based in Pittsburgh, Pennsylvania, that maintains production facilities at several additional locations in the U.S. and Central Europe. The company produces and sells steel products, including flat-rolled and tubular products for customers in industries across automotive, construction, consumer, electrical, industrial equipment, distribution, and energy. Operations also include iron ore and coke production facilities. In 2025, U.S. Steel was acquired by Nippon Steel in a deal arranged with the United States government.

Frequently asked questions

Where is U.S. Steel headquarters?

U.S. Steel's headquarters is located at 600 Grant Street, Pittsburgh, Pennsylvania 15219, United States.

How many offices does U.S. Steel have?

GraphIQ records 69 locations for U.S. Steel, as of October 2026.

What is U.S. Steel's corporate address?

The corporate headquarters address is 600 Grant Street, Pittsburgh, Pennsylvania 15219, United States.

When was U.S. Steel founded?

U.S. Steel was founded in 1901 and employs approximately 55,000 people.

What is U.S. Steel's phone number?

The main phone number for U.S. Steel headquarters is +1 412 433 1121.

How many employees does U.S. Steel have?

U.S. Steel has approximately 55,000 employees (GraphIQ estimate, 2026).

Find more info on U.S. Steel using GraphIQ

Revenue teams waste hours stitching together data from a dozen tools before a single rep can make a meaningful touch. GraphIQ fixes that. Whether you're building target account lists, routing inbound leads, or keeping your CRM clean as U.S. Steel's structure evolves, GraphIQ gives you verified company, people and location data in one place.

From territory planning and lead scoring to handoff workflows and pipeline hygiene, our platform connects the data your GTM engine needs to run without friction. Sign up today and see how GraphIQ helps your revenue team spend less time finding information and more time acting on it.

300M+Companies tracked
370M+Employees
2TNews articles & events