| 2012 Commercial Plumbing Inspector | $81.99 |
| W17 National Standard Journeyman Electrician Questions Workbook | $78.99 |
| 2018 Commercial Plumbing Inspector | $86.99 |
| F16 National Standard Master Electrician Workbook ICC Exam | $80.99 |
| 2018 Residential Plumbing Inspector | $76.99 |
| T18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $76.99 |
| W29 National Standard Master Mechanical Questions Workbook | $78.99 |
| G17 National Standard Journeyman Electrician Questions Workbook | $163.98 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $81.99 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $81.99 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |
| W16 National Standard Master Electrician Workbook ICC Exam | $78.99 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $81.99 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $78.99 |
| 2012 Commercial Building Inspector | $78.99 |
| G29 National Standard Master Mechanical Questions Workbook | $81.99 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $81.99 |
| 2015 Commercial Building Inspector | $78.99 |
| F32 National Standard Residential Mechanical Exam Workbook | $76.99 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $76.99 |