- American Association for Vocational Instructional Materials (AAVIM)
 - Nonprofit association working to develop, produce, and distribute materials for instructors, students, and administrators of vocational education. - Chronicle Guidance Publications, Inc.
- Publisher of occupational, educational, and professional guidance materials for parents, students, and educators.
- Delmar
- Provider of learning products and services for the health care, technology and trades, and career education markets.
- Salem Company
- Publishes self-study textbooks for the beginning basics of industrial gearing and machinery.
- Simon & Kolz Publishing
- Providing textbooks and multimedia to academic health care and human services faculty and students in higher education.
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