As producing Refined Resources requires a craftsman, there are various guilds of crafters that the Adventure's Guild can work with and hire from.
Alchemists and apothecaries
Armorers, locksmiths, and finesmiths
Brewers, distillers, and vintners
Calligraphers, scribes, and scriveners
Carpenters, roofers, and plasterers
Cartographers, surveyors, and chart-makers
Cobblers and shoemakers
Cooks and bakers
Glassblowers and glaziers
Jewelers and gemcutters
Leatherworkers, skinners, and tanners
MasonsĀ and stonecutters
Painters, limners, and sign-makers
Potters and tile-makers
Shipwrights and sailmakers
Smiths and metal-forgers
Tinkers, pewterers, and casters
Wagon-makers and wheelwrights
Weavers and dyers
Woodcarvers, coopers, and bowyers
Alchemists and apothecaries
Armorers, locksmiths, and finesmiths
Brewers, distillers, and vintners
Calligraphers, scribes, and scriveners
Carpenters, roofers, and plasterers
Cartographers, surveyors, and chart-makers
Cobblers and shoemakers
Cooks and bakers
Glassblowers and glaziers
Jewelers and gemcutters
Leatherworkers, skinners, and tanners
MasonsĀ and stonecutters
Painters, limners, and sign-makers
Potters and tile-makers
Shipwrights and sailmakers
Smiths and metal-forgers
Tinkers, pewterers, and casters
Wagon-makers and wheelwrights
Weavers and dyers
Woodcarvers, coopers, and bowyers