All states › Montana › Refining & chemicals › Great Falls
MT-008 · Tier 3 · Opportunity B
Calumet Montana Renewables
Great Falls refinery, Great Falls, Montana. Renewable diesel, sustainable aviation fuel and specialty products.
BTier 3ProcessExpanding
- Parent
- Calumet
- Industry
- Petroleum refining (renewable diesel and SAF)
- People
- ~170 (MPA)
- Status
- Expanding - to 18,000 barrels a day (2025)
- Source
- argusmedia.com ↗
- Verified
- 2026-10-16
How tools get used here
Maintenance-driven MRO: pumps, valves, motors, conveyors and shutdown or turnaround work.
Buying signals
Capacity raised from 15,000 to 18,000 barrels a day in 2025.
Who buys tools here
Usually the maintenance manager, plant manager, MRO or indirect purchasing, and the tool crib lead. At refineries and mills, maintenance contractors buy a large share as well.
Plants nearby
Straight-line distance between ZIP code areas, so treat it as approximate.
All plants within 50 miMap them