| 2015 Commercial Mechanical Inspector | $236.97 |
| F29 National Standard Master Mechanical Questions Workbook | $491.94 |
| 2012 Residential Electrical Inspector | $230.97 |
| W32 National Standard Residential Mechanical Exam Workbook | $461.94 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $5,081.34 |
| F13 National Standard Residential Building Contractor (C) 2015 | $485.94 |
| F32 National Standard Residential Mechanical Exam Workbook | $4,465.42 |
| 2018 Residential Plumbing Inspector | $461.94 |
| 2018 Residential Building Inspector | $4,080.47 |
| 2021 Commercial Plumbing Inspector | $434.95 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $2,211.72 |
| 2012 Commercial Building Inspector | $473.94 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $3,279.60 |
| 2012 Residential Building Inspector | $2,386.69 |
| 66 Fire Inspector I 2012 | $3,080.61 |
| 2015 Residential Plumbing Inspector | $2,694.65 |
| 2012 Residential Plumbing Inspector | $2,078.73 |
| 2012 Commercial Plumbing Inspector | $327.96 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $655.92 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $1,557.81 |
| W16 National Standard Master Electrician Workbook ICC Exam | $1,263.84 |
| F12 National Standard General Building Contractor (B) 2015 | $419.95 |