Mercenaries Guild put out one item that we know of called Swords and Weapons. Seems to be just a gaming supplement
"Has you paladin dulled his sword? Has your ranger lost his bow? Has the orc blood pitted your axe? Now you can get replacements from the Mercenaries Guild." -- from cover of Swords and Weapons.
It also says on the cover that Mercenaries Guild is a ComRes Associates Company. Sounds like they had quite a large company going?
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