Petroleum and coal products manufacturers in Oklahoma
Oklahoma has 35 petroleum and coal products establishments employing 2,561 people (Census, 2023), and EPA's ECHO database lists 135 active petroleum and coal products facilities in the state. By employment it is Oklahoma's number 14 manufacturing industry, and Oklahoma ranks number 8 among states for it.
- NAICS subsector
- 324
- Petroleum and Coal Products Manufacturing
- Establishments
- 35
- Census 2023
- Employees
- 2,561
- Census 2023
- In EPA records
- 135
- With a page here
- 5
- Revised
- November 11, 2026
Petroleum and coal products factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Ardmore Refinery | Petroleum Refineries | Ardmore |
| Hfstr Tulsa West Refinery, Hfstr Tulsa East Refinery, Hfsm Tulsa East Terminal | Petroleum Refineries | Tulsa |
| Holly Energy Partners Tulsa | Petroleum Refineries | Tulsa |
| Ponca City Refinery | Petroleum Refineries | Ponca City |
| Wynnewood Refinery | Petroleum Refineries | Wynnewood |
These are the Oklahoma petroleum and coal products facilities that report to EPA's Toxics Release Inventory. The other 130 in EPA records don't have a page yet.
What these factories make
- Petroleum Refineries (NAICS 324110): 5 facilities
Where they cluster
Cities with the most active petroleum and coal products facilities in EPA records: Tulsa (13), Oklahoma City (12), Muskogee (6), Ardmore (6), Catoosa (5).
New petroleum and coal products plants in Oklahoma
Petroleum and coal products manufacturing across the US. Everything made in Oklahoma.