| 2018 Residential Mechanical Inspector | $76.99 |
| 2021 Residential Mechanical Inspector | $76.99 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |
| T16 National Standard Master Electrician Workbook ICC Exam 2021 | $81.99 |
| F16 National Standard Master Electrician Workbook ICC Exam | $80.99 |