The Mechanical Fortress was an organization composed primarily of alchemists, but it also included individuals who followed the paths of magic and knighthood, this wasn't contradictory. Of course, there were even more convenient methods: hiring bodyguards or subjugating others as subordinates to gain protection.
Chad smiled and said, "This counts as another question, right? I can answer that too. The Dunkinson Trading Company... Well, to be precise, it should be the Simon Trading Company, it's one of the trading companies working for the Mechanical Fortress, responsible for making us money and selling some of our alchemical artifacts."
For a colossal entity like the Mechanical Fortress, the number of affiliated trading companies wasn't small, having formed a highly sophisticated industrial chain.