Peamised tehased, mis ekskavaatoreid valmistasid, olid:
- American
- Austin
- Bay City
- Brown Hoisting
- Buckeye
- Bucyrus
- Byers
- Erie
- Harnischfegel
- Industrial
- Insley
- Keystone
- Koehring
- Link Belt
- Manitowok
- Massillon
- McMyler-Interstate
- Mead-Morrison
- Moore Speedcrane
- Northwest
- Ohio/Lima
- Orton
- Osgood
- Russell
- Speeder
- Star Drilling
- Thew
- Universal Crane
- Universal Power Shovel
