| F32 National Standard Residential Mechanical Exam Workbook | $81.99 |
| 2012 Commercial Building Inspector | $83.99 |
| 2018 Commercial Mechanical Inspector | $83.99 |
| 2015 Residential Electrical Inspector | $81.99 |
| 2018 Commercial Plumbing Inspector | $91.99 |
| 2015 Residential Plumbing Inspector | $81.99 |