| 2018 Commercial Electrical Inspector | $78.99 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| 2021 Commercial Electrical Inspector | $78.99 |
| 2015 Commercial Electrical Inspector | $78.99 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $81.99 |
| 2015 Commercial Plumbing Inspector | $163.98 |
| 2018 Commercial Mechanical Inspector | $78.99 |
| F16 National Standard Master Electrician Workbook ICC Exam | $80.99 |
| 2015 Residential Mechanical Inspector | $76.99 |
| W11 National Standard General Contractor (A) | $76.99 |
| 2015 Residential Building Inspector | $76.99 |
| G17 National Standard Journeyman Electrician Questions Workbook | $81.99 |
| 2018 Commercial Plumbing Inspector | $173.98 |
| 2012 Commercial Plumbing Inspector | $81.99 |
| 2018 Residential Electrical Inspector | $76.99 |
| 2015 Commercial Mechanical Inspector | $78.99 |