| W31 National Standard Journeyman Mechanical Questions Workbook | $76.99 |
| 2018 Residential Electrical Inspector | $76.99 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $81.99 |
| 2012 Residential Building Inspector | $76.99 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $81.99 |
| 66 Fire Inspector I 2015 | $78.99 |