| G13 Building Contractor (C) 2018 | $76.99 |
| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| T17 National Standard Journeyman Electrician Questions Workbook | $78.99 |
| G12 Building Contractor (B) 2018 | $86.99 |
| W11 National Standard General Contractor (A) | $76.99 |
| 2015 Commercial Mechanical Inspector | $78.99 |
| 2012 Commercial Mechanical Inspector | $78.99 |