| 2015 Commercial Plumbing Inspector | $91.99 |
| 2012 Commercial Plumbing Inspector | $86.99 |
| F32 National Standard Residential Mechanical Exam Workbook | $81.99 |
| 2018 Residential Building Inspector | $81.99 |
| 2015 Residential Plumbing Inspector | $81.99 |
| 2018 Commercial Plumbing Inspector | $91.99 |
| W13 National Standard Residential Building Contractor (C) | $83.99 |