- 3M (75)
- Loveshaw, an ITW Company (21)
- Wexxar-BEL (12)
- BestPack Packaging Systems (12)
- Little David (9)
- Interpack Packaging Systems (9)
- Eagle Packaging (9)
- Chicago Tapers (9)
- Belcor Industries Inc. (6)
- Highlight Industries (6)
- BestPack Packaging Inc. (6)
- Propack Processing and Packaging Systems Inc. (3)
- Eastey Enterprises (3)
- Belco Packaging Systems, Inc. (3)
- Jorestech (3)
- Joinpack (3)
- O/K Durable (3)
- Durable Packaging Corporation (3)
- Soco System (3)
- STA Pack (3)
- Berran Industrial Group (3)