- Academy of Contractor Licensing - Contractor's license school, certification seminars, state contractors license test preparation, also for journeymen.
- Advanced Tech Course - Home study preparation course for the Michigan Building Contractors License. Includes practice tests, state laws and rules booklet, exam and license information.
- BuilderZone - Construction courses to prepare for the Arizona residential, commercial, and business examinations.
- California Contractors License Study Kit - Audio and video preparation tapes for the California State Contractors License Exam.
- Contractor's Exam Preparation - Providing state license examination preparation for Arizona, Colorado, Nevada, New Mexico, Oklahoma, Texas, and Utah.
- Contractors Institute of Virginia - Provides a wide variety of training classes and delivery methods for those taking the Virginia license or certification examinations
- Contractors License Exam Center - A provider of state contractors license and supplemental exam preparation including ICBO General inspector courses.
- Electrical Licensing Examination - Electrical pre-licensing and pre-certification seminars.
- Electrician resources - National electrical code license exam preparation classes offered in Michigan, Ohio and Indiana.
- JADE Electric, Inc. - Continuing Education for Electrical Contractors. Courses approved in North Carolina, Wyoming, Idaho, Washington, Rhode Island, Alaska. Courses available on safety and important changes to the National Electrical Code.
- License Instruction Schools - Offers preparation for the California Contractor's License through manuals, audiotapes and a two-day class.
- Professional and Technical Career Institute - Offers a home study course of licensed builder information for the Michigan builders license exam.
- Technical Licensing Studies Inc. - Offers study guidebook for state electrical code license exam based on 1999 electrical code.
