| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| 2015 Commercial Plumbing Inspector | $81.99 |
| F12 National Standard General Building Contractor (B) 2015 | $83.99 |
| F13 National Standard Residential Building Contractor (C) 2015 | $80.99 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $81.99 |
| W29 National Standard Master Mechanical Questions Workbook | $78.99 |
| 66 Fire Inspector I 2015 | $78.99 |
| 67 Fire Inspector II 2015 | $78.99 |
| W11 National Standard General Contractor (A) | $76.99 |
| 2021 Residential Mechanical Inspector | $76.99 |