| T18 National Standard Residential Electrician Workbook ICC Exam | $2,694.65 |
| 2015 Residential Plumbing Inspector | $7,622.01 |
| 67 Fire Inspector II 2015 | $7,820.01 |
| 2015 Residential Mechanical Inspector | $2,848.63 |
| 67 Fire Inspector II 2018 | $7,820.01 |
| 2012 Residential Plumbing Inspector | $7,622.01 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| 67 Fire Inspector II 2012 | $7,820.01 |
| W13 National Standard Residential Building Contractor (C) | $4,976.37 |
| 66 Fire Inspector I 2018 | $5,529.30 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| W16 National Standard Master Electrician Workbook ICC Exam | $3,001.62 |
| F32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| 2018 Commercial Electrical Inspector | $7,820.01 |
| F12 National Standard General Building Contractor (B) 2015 | $839.90 |
| 2012 Commercial Plumbing Inspector | $1,147.86 |
| W11 National Standard General Contractor (A) | $7,622.01 |
| F17 National Standard Journeyman Electrician Questions Workbook | $8,018.01 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $1,693.78 |
| 66 Fire Inspector I 2015 | $7,820.01 |
| 2018 Residential Plumbing Inspector | $7,622.01 |
| 2012 Residential Building Inspector | $769.90 |
| 2012 Residential Electrical Inspector | $6,236.19 |
| 2018 Residential Building Inspector | $7,622.01 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $230.97 |
| F11 National Standard General Contractor (A) 2015 | $4,818.39 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $8,612.01 |
| 2021 Residential Plumbing Inspector | $6,313.18 |
| 2021 Commercial Building Inspector | $7,820.01 |
| W29 National Standard Master Mechanical Questions Workbook | $1,184.85 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $8,035.02 |
| 2012 Commercial Electrical Inspector | $7,030.11 |
| 2015 Residential Electrical Inspector | $76.99 |
| G29 National Standard Master Mechanical Questions Workbook | $2,705.67 |
| 2015 Residential Building Inspector | $76.99 |
| 2021 Commercial Electrical Inspector | $157.98 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $491.94 |
| 2015 Commercial Electrical Inspector | $78.99 |
| 2015 Commercial Mechanical Inspector | $1,342.83 |
| 2012 Commercial Mechanical Inspector | $236.97 |
| 2018 Commercial Building Inspector | $78.99 |
| 2018 Commercial Mechanical Inspector | $868.89 |
| 2021 Commercial Mechanical Inspector | $245.97 |
| W12 National Standard General Building Contractor (B) | $81.99 |