Apprentice (to 75)
Dane Lindgren (Stormwind)
Delfrum Flintbeard (Darkshore)
Groum Stonebeard (Ironforge)
Smith Argus (Elwynn Forest)
Tognus Flintfire (Dun Morogh)

Journeyman (to 150)
Clarise Gnarltree (Duskwood)
Rotgath Stonebeard (Ironforge)
Therum Deepforge (Stromwind)

Expert (to 225)
Bengus Deepforge (Ironforge)
Galvan the Ancient (Stranglethorn)

Artisan (to 300)
Brikk Keencraft (Stranglethorn) [Recipes]
Grumnus Steelshaper (Ironforge) [Armorsmith]
Ironus Coldsteel (Ironforge) [Weaponsmith]

Master (to 375)
Humphry (Hellfire Peninsula)

Horde:

Apprentice (to 75)
Basil Frye (Undercity)
Dwukk (Durotar)
Guillaume Sorouy (Silverpine)
Thrag Stonehoof (Thunderbluff)
Ug'thok (Orgrimmar)

Journeyman (to 150)
James Van Brunt (Undercity)
Karn Stonehoof (Thunder Bluff)
Snarl (Orgrimmar)
Traugh (The Barrens)

Expert (to 225)
Galvan the Ancient (Stranglethorn)
Saru Steelfury (Orgrimmar)

Artisan (to 300)
Brikk Keencraft (Stranglethorn) [Recipes]
Okothos Ironrager (Orgrimmar) [Armorsmith]
Borgosh Corebender (Orgrimmar) [Weaponsmith]

Master (to 375)
Rohok (Hellfire Peninsula)