• Association of American University Presses
• Cambridge University Press
• Oxford University Press

Textbook Publishers

• Brown & Benchmark Publishers
• Houghton Mifflin
• HarperCollins
• Prentice-Hall
• W. W. Norton
• Dushkin Publishing
• Harcourt Brace and Jovanovich
• Worth Publishers, Inc
• McGraw-Hill Publishers

Software Publishers

• PEP Registry of Educational Software Publishers
  The PEP Registry is a comprehensive listing of Educational Software Companies, with direct links to their sites. It does not necessarily imply endorsement of a product or company.