Who Caterpillar buys from and sells to
Makes construction and mining machines, engines, gensets and Solar turbines, sold through independent dealers.
Buys from 2
- Parker HannifinPHhydraulic and filtration components
- Steel producersplate and bar for frames and buckets
Sells to 5
- Independent Cat dealersmachines and parts for resale (41 US, 109 abroad)
- Data-centre buildersgensets and turbines for backup and prime power
- Freeport-McMoRanFCXmining trucks and loaders
- United RentalsURIrental fleet machines
- Union PacificUNPProgress Rail locomotives and rail services
Where the chain could break
- Power & Energy now its largest segment, tied to data-centre power demand
- Steel and component tariffs raise costs; sells through 150 independent dealers
Competes with
- KomatsuKMTUYconstruction and mining machines
- DeereDEconstruction equipment
- CumminsCMIengines and gensets
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.