...
These will only be offered by a subset of NPCs.
NPCs that can offer Trade Updates:
Arms Dealer
Inventory item traders (e.g. Food Merchant or Black Marketeer).
License broker
Mechanic
Recruitment Officer
Ship Dealer
Station crew, only if working on the particular station *
*(Defense Officer, Engineer, Manager or Specialists).
NPCs that never offer Trade Updates:
Architect (even if they are working on NPC CVs during the main plot)
Captain
Hirable Defense Officer, Engineer, Manager or Specialist
Marine Officer
Pilot