National Oilwell headquarters details
- City
- Houston
- State / region
- Texas
- ZIP / postal code
- 77009
- Country
- United States
- Phone
- +1 346 223 3000
- Founded
- 1862
- Website
- nov.com
- Stock
- NYSE: NOV
- linkedin.com/company/novglobal
Location map
Open in Google MapsAll National Oilwell office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Houston HQ | Texas | United States | Headquarters |
Showing the headquarters of 142 recorded locations. See every location in GraphIQ →
About National Oilwell
National Oilwell (NYSE: NOV) is headquartered in Houston, Texas, United States. Founded in 1862, the company has 142 recorded locations across 8+ countries and employs approximately 31,605 people worldwide.
Where is National Oilwell's main office?
National Oilwell's main headquarters office is located at Houston, Texas 77009, United States. This is the company's primary corporate address.
National Oilwell regional offices
Beyond its headquarters in Houston, National Oilwell has recorded locations in United States, Canada, Mexico, Norway, Poland, Singapore, United Arab Emirates and United Kingdom.
National Oilwell contact information
The main switchboard for National Oilwell headquarters can be reached at +1 346 223 3000. Official website: nov.com.
What does National Oilwell do?
NOV delivers technology-driven solutions to empower the global energy industry. For more than 150 years, NOV has pioneered innovations that enable its customers to safely produce abundant energy while minimizing environmental impact. The energy industry depends on NOV’s deep expertise and technology to continually improve oilfield operations and assist in efforts to advance the energy transition towards a more sustainable future. NOV powers the industry that powers the world.
National Oilwell competitors & similar companies
Frequently asked questions
Where is National Oilwell headquarters?
National Oilwell's headquarters is located at Houston, Texas 77009, United States.
How many offices does National Oilwell have?
GraphIQ records 142 locations for National Oilwell across 8+ countries, as of October 2026.
When was National Oilwell founded?
National Oilwell was founded in 1862 and employs approximately 31,605 people.
What is National Oilwell's phone number?
The main phone number for National Oilwell headquarters is +1 346 223 3000.
How many employees does National Oilwell have?
National Oilwell has approximately 31,605 employees (GraphIQ estimate, 2026).
Is National Oilwell a public company?
Yes. National Oilwell is publicly traded on NYSE under the ticker NOV.