- Douglas Machine Inc. (9)
- Econocorp, Inc. (7)
- BluePrint Automation (6)
- Combi Packaging Systems LLC (6)
- MGS Machine Corporation (6)
- Pester Pac Automation (4)
- DIMAC (3)
- Smurfit-Stone Container Corporation (3)
- Climax Packaging Machinery, Inc. (3)
- Great Lakes (3)
- Brenton (3)
- Schneider Packaging Equip. Co. (3)
- EDL Packaging Engineers, Inc. (3)
- Edson Packaging Machinery (3)
- Hamrick Manufacturing & Service, Inc. (3)
- Marchesini Group USA Inc. (3)
- Thiele Technologies, Inc. (3)
- Salwasser Manufacturing Co., Inc (3)
- Rockford Midland (3)