| F29 National Standard Master Mechanical Questions Workbook | $491.94 |
| 2012 Residential Electrical Inspector | $384.95 |
| W32 National Standard Residential Mechanical Exam Workbook | $461.94 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $5,158.33 |
| F32 National Standard Residential Mechanical Exam Workbook | $4,542.41 |
| 2018 Residential Plumbing Inspector | $461.94 |
| 2018 Residential Building Inspector | $6,313.18 |
| 2021 Commercial Plumbing Inspector | $434.95 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $3,475.56 |
| 2012 Residential Building Inspector | $2,617.66 |
| 2015 Residential Plumbing Inspector | $6,313.18 |
| 2012 Residential Plumbing Inspector | $2,232.71 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $2,295.72 |
| W16 National Standard Master Electrician Workbook ICC Exam | $2,764.65 |
| F12 National Standard General Building Contractor (B) 2015 | $4,703.44 |
| 66 Fire Inspector I 2012 | $2,290.71 |
| 67 Fire Inspector II 2012 | $5,924.25 |
| F11 National Standard General Contractor (A) 2015 | $5,134.35 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| 2018 Commercial Electrical Inspector | $5,213.34 |
| 2018 Residential Electrical Inspector | $2,078.73 |
| G29 National Standard Master Mechanical Questions Workbook | $81.99 |
| 2021 Commercial Mechanical Inspector | $81.99 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $81.99 |
| 66 Fire Inspector I 2018 | $3,159.60 |
| W13 National Standard Residential Building Contractor (C) | $947.88 |
| 2015 Commercial Mechanical Inspector | $1,579.80 |
| F17 National Standard Journeyman Electrician Questions Workbook | $4,697.42 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| G17 National Standard Journeyman Electrician Questions Workbook | $1,065.87 |
| 67 Fire Inspector II 2015 | $1,184.85 |
| W12 National Standard General Building Contractor (B) | $163.98 |
| 2015 Residential Mechanical Inspector | $692.91 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $615.92 |
| 2018 Commercial Plumbing Inspector | $1,130.87 |
| 2012 Commercial Plumbing Inspector | $1,885.77 |
| 2021 Residential Mechanical Inspector | $76.99 |
| F13 National Standard Residential Building Contractor (C) 2015 | $3,482.57 |
| 2018 Commercial Mechanical Inspector | $947.88 |
| G12 Building Contractor (B) 2018 | $1,391.84 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $655.92 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $615.92 |
| 67 Fire Inspector II 2021 | $78.99 |
| 2021 Residential Electrical Inspector | $76.99 |
| 2012 Commercial Electrical Inspector | $157.98 |
| 2012 Commercial Building Inspector | $236.97 |