Categories (folders):

Industrial & Architectural:
Carpets - 100 textures
Cements - 340 textures
Indoor Woods - 100 textures
Marbles - 490 textures
Metals - 206 textures
Misc Bumps - 23 textures
Outdoor Woods - 146 textures
PatternBorders - 331 textures
Perforated Metals - 321 textures
StoneWalls - 134 textures
Stuccos - 151 textures
Tile Material - 464 textures
Tile Patterns - 260 textures

Naturals:
Bark Woods - 254 textures
Distant Terrains - 74 textures
Earths - 1290 textures
Scapes - 126 textures