• Studio 9 Books
• Studio Foglio
• Subterranean
• Sudamericana
• Suma De Letras
• Suma De Letras Argentina Sa
• Suma De Letras Mexico Sa
• Sunrise Books
• Super ET
• Sutton Pub Ltd
• Swedenborg Foundation Publishers
• Switchgrass Books
• Sword & Sorcery Studio
• Sylph Editions
• Synergy Books
• Syngress Media
• Syracuse Univ Pr