| 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 | $6,159.20 |
| 2021 Commercial Plumbing Inspector | $434.95 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $3,396.57 |
| 2012 Residential Building Inspector | $2,617.66 |
| 2015 Residential Plumbing Inspector | $6,236.19 |
| 2012 Residential Plumbing Inspector | $2,232.71 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $2,213.73 |
| W16 National Standard Master Electrician Workbook ICC Exam | $2,685.66 |
| F12 National Standard General Building Contractor (B) 2015 | $4,535.46 |
| 66 Fire Inspector I 2012 | $2,132.73 |
| 67 Fire Inspector II 2012 | $5,529.30 |
| F11 National Standard General Contractor (A) 2015 | $4,976.37 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| 2018 Commercial Electrical Inspector | $4,502.43 |
| W11 National Standard General Contractor (A) | $1,770.77 |
| 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 | $2,922.63 |
| W13 National Standard Residential Building Contractor (C) | $868.89 |
| 2015 Commercial Mechanical Inspector | $1,342.83 |
| F17 National Standard Journeyman Electrician Questions Workbook | $4,292.47 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| G17 National Standard Journeyman Electrician Questions Workbook | $983.88 |
| 67 Fire Inspector II 2015 | $1,105.86 |
| W12 National Standard General Building Contractor (B) | $163.98 |
| 2015 Residential Mechanical Inspector | $615.92 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $461.94 |
| 2018 Commercial Plumbing Inspector | $1,043.88 |
| 2012 Commercial Plumbing Inspector | $1,557.81 |
| 2021 Residential Mechanical Inspector | $76.99 |
| F13 National Standard Residential Building Contractor (C) 2015 | $2,672.67 |
| 2015 Commercial Building Inspector | $315.96 |
| 2018 Commercial Mechanical Inspector | $710.91 |
| G12 Building Contractor (B) 2018 | $1,217.86 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $409.95 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $307.96 |
| 67 Fire Inspector II 2021 | $78.99 |
| 2015 Residential Electrical Inspector | $384.95 |