| F18 National Standard Residential Electrician Workbook ICC Exam | $538.93 |
| 2018 Residential Plumbing Inspector | $461.94 |
| 2018 Residential Building Inspector | $76.99 |
| 2015 Commercial Mechanical Inspector | $78.99 |
| F32 National Standard Residential Mechanical Exam Workbook | $230.97 |
| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| 2012 Residential Electrical Inspector | $76.99 |
| W32 National Standard Residential Mechanical Exam Workbook | $76.99 |