Leading Suppliers Nationally for Collimated Laser Pens

To the best of my knowledge, here is a list of some leading national suppliers of Collimated Laser Pens in the United Kingdom:

1. Laser 2000 (UK) Ltd
2. Opt Lasers
3. Dragonlasers UK
4. Laserglow Technologies
5. Lasers Direct UK

Please note that the market landscape may change, so it's advisable to conduct thorough research for the most up-to-date information.