| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| F32 National Standard Residential Mechanical Exam Workbook | $76.99 |
| 2015 Residential Electrical Inspector | $76.99 |
| W29 National Standard Master Mechanical Questions Workbook | $157.98 |
| 2018 Residential Electrical Inspector | $76.99 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $81.99 |
| W32 National Standard Residential Mechanical Exam Workbook | $76.99 |
| G29 National Standard Master Mechanical Questions Workbook | $81.99 |
| 2015 Residential Mechanical Inspector | $153.98 |
| 2021 Commercial Building Inspector | $78.99 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $81.99 |
| 2018 Residential Mechanical Inspector | $153.98 |
| G11 General Building Contractor (A) 2018 | $81.99 |
| F11 National Standard General Contractor (A) 2015 | $78.99 |
| 2015 Commercial Electrical Inspector | $78.99 |
| F13 National Standard Residential Building Contractor (C) 2015 | $161.98 |
| 2018 Residential Building Inspector | $76.99 |
| G13 Building Contractor (C) 2018 | $76.99 |
| 2021 Commercial Plumbing Inspector | $86.99 |
| 2018 Commercial Plumbing Inspector | $173.98 |
| 2015 Residential Building Inspector | $76.99 |
| F12 National Standard General Building Contractor (B) 2015 | $83.99 |
| 2015 Commercial Plumbing Inspector | $81.99 |
| 2012 Residential Building Inspector | $76.99 |
| 2021 Residential Mechanical Inspector | $76.99 |
| W13 National Standard Residential Building Contractor (C) | $78.99 |
| W12 National Standard General Building Contractor (B) | $81.99 |
| 2021 Commercial Mechanical Inspector | $81.99 |
| 2012 Residential Mechanical Inspector | $76.99 |
| 2015 Commercial Mechanical Inspector | $78.99 |
| 67 Fire Inspector II 2018 | $157.98 |
| 66 Fire Inspector I 2015 | $78.99 |
| 67 Fire Inspector II 2012 | $78.99 |
| 66 Fire Inspector I 2018 | $78.99 |
| 66 Fire Inspector I 2012 | $78.99 |
| 67 Fire Inspector II 2015 | $78.99 |