Study Guide Systems
- Online tutorials using past examination questions for police and medical exams, PCAT, OAT, and exams in real estate, fire fighting.
- http://www.studyguidesystems.com/

Study System for the ARE, Architect Registration Exam
- Offers comprehensive flashcard test prep study system for the ARE, Architect Registration Exam.
- http://www.archiflash.com

Logistics Training Systems, Inc.
- Offers US Customs Broker License home-study courses, an online class and classroom courses in Orlando or Las Vegas.
- http://www.logisticsts.com/

Advanced Tech Courses
- Sells preparation material by mail for the CDL writing and skills tests to become a professional truck or bus driver.
- http://www.aapxx.com/cdl/

CPA Exam Review
- Information and study resources for CPA candidates.
- http://www.cpareviewstore.com

Northwestern Learning Center
- Offers review courses for COMLEX and USMLE medical board exams.
- http://www.northwesternlearningcenter.com

American Airman Airframe and Powerplant Maintenance School
- A Long Island, New York, approved aviation school specializing in Airframe and Powerplant and Inspection Authorization preparation courses for mechanics.
- http://www.americanairman.com

Social Work Examination Services
- Home study programs for all levels of the social work licensing examinations in every state.
- http://www.swes.net