| W25 National Standard Journeyman Plumber Practice Questions Work | $76.99 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| 2018 Commercial Plumbing Inspector | $86.99 |
| 2018 Commercial Mechanical Inspector | $78.99 |
| G13 Building Contractor (C) 2018 | $76.99 |
| 2015 Commercial Plumbing Inspector | $81.99 |
| F12 National Standard General Building Contractor (B) 2015 | $83.99 |
| 2015 Residential Plumbing Inspector | $153.98 |