Leading Suppliers Nationally for Collector Inserts

Here is a list of leading national suppliers of Collector Inserts in the United Kingdom:

1. Ardagh Group
2. Encirc
3. O-I Glass, Inc.
4. Verallia
5. Rockware Glass Ltd

These companies are major players in the glass container manufacturing industry in the UK, known for their production of Collector Inserts used in various applications.