| 2012 Commercial Mechanical Inspector | $83.99 |
| W13 National Standard Residential Building Contractor (C) | $83.99 |
| 2015 Residential Plumbing Inspector | $81.99 |
| F17 National Standard Journeyman Electrician Questions Workbook | $85.99 |
| 2018 Residential Plumbing Inspector | $81.99 |
| 2015 Residential Electrical Inspector | $81.99 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $86.99 |
| W29 National Standard Master Mechanical Questions Workbook | $83.99 |