Here's a list of actual Guilds from history:
Barber-Surgeon's Company (1461) [Later branched Barbers Co. & Surgeons Co.]
Bowyer's Company
Brewer's Company (1437)
Broderers Company [Embroidery]
Brotherhood of Barbers, Norwich
Brotherhood of Carpenters
Butcher's Company
Carmen Company [Carters; Teamsters]
Carpenter's Gild, Norwich, The
Clothier's Community
Clothworker's Company
Company of Cutlers
Company of Watermen and Lightermen
Cutler's Company (1415)
Dyers Company (1471)
Fanmaker's Company
Fellowship of Masons/Fraternity of Masons
Fellowship of Porters/Company of Fellowship Porters
Feltmaker's Company
Fishmonger's Halimont
Fishmongers Company (1399)
Fletcher's Company
Fraternity and Gild of Merchants
Fraternity of Burellers
Fraternity of Tailors
Fraternity of Woodmongers
Free Journeyman Printers
Fullers, Shearmen,and Clothworkers Company
Gild Merchant
Gild of Cordwainers (1429)
Gild of Merchant Taylors (1327)
Gild of Saddlers
Gild of Saddlers (1394)
Gild of the Bakers
Gild of the Woolweavers
Gild of Weavers, The
Gild of Young Scholars/Young Scholars, The
Glover's Company
Gold and Silver Wire Drawers Company
Goldsmith's Company (1327)
Ironmonger's Company (1464)
Loriner's Company [Aka Lorimer's; make Bits & Tack]
Pewterer's Company
Playing Card Makers Company
Ringers Gild
Saddlers Company
Saddlers' and Spurriers' Gild, The
Shipmanes Gild, Lynn, The
Society of Apothecaries
Tailors Gild, The
Tilers & Bricklayers Company
Vintner's Company (1437)
Wax Chandler's Company (1483)
Weaver's Company (1154)
Wheelwright's Company
Woolmens Company
Woolweaver's Guild
Worshipful Company of Armorers and Braziers (1453)
Worshipful Company of Bakers
Worshipful Company of Blacksmiths
Worshipful Company of Carpenters (1477)
Worshipful Company of Clockmakers
Worshipful Company of Coachmakers and Coach Harness Makers
Worshipful Company of Cooks (1481)
Worshipful Company of Coopers/Coopers Company
Worshipful Company of Founders
Worshipful Company of Fruiterers
Worshipful Company of Gardeners
Worshipful Company of Girdlers (1448)
Worshipful Company of Glass sellers
Worshipful Company of Glaziers
Worshipful Company of Grociers (1428)
Worshipful Company of Haberdashers (1417)
Worshipful Company of Horners
Worshipful Company of Innholders
Worshipful Company of Joiners
Worshipful Company of Leathersellers (1444)
Worshipful Company of Musicians (1472)
Worshipful Company of Needlemakers
Worshipful Company of Painters/Painters-Stainer's Company
Worshipful Company of Paviors [Paving Stone Layers]
Worshipful Company of Plasterers
Worshipful Company of Poulterers
Worshipful Company of Salters
Worshipful Company of Scriveners
Worshipful Company of Shipwrights
Worshipful Company of Skinners (1327)
Worshipful Company of Stationers
Worshipful Company of Turners