Here Is a map of Meridian I found online. the key is:
1. Artifact Collector
2. Auction House
3. Banker
4. Butcher
5. Dyes
6. Planar Merchant
7. Forager
8. Guild Master, Quest, and Relics
9. Mounts
10. Faction Leaders
11. Miner
12. Orphiel’s Spire
13. Planar Augments
14. Porticulum
15. Potions
16. PvP Vendors
17. Recipes
18. Rogue, Mage, and Cleric Trainer
19. Warrior Trainer and Target Dummies
20. Tradekill Trainers and Supplies
21. Warfront Master