| F32 National Standard Residential Mechanical Exam Workbook | $5,466.29 |
| F12 National Standard General Building Contractor (B) 2015 | $8,315.01 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| W13 National Standard Residential Building Contractor (C) | $7,820.01 |
| 66 Fire Inspector I 2018 | $7,820.01 |
| W11 National Standard General Contractor (A) | $7,237.06 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $4,927.36 |
| 2012 Commercial Plumbing Inspector | $8,117.01 |
| W16 National Standard Master Electrician Workbook ICC Exam | $5,529.30 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $5,081.34 |
| 2012 Commercial Mechanical Inspector | $7,820.01 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $6,159.20 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $2,078.73 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $1,217.86 |
| 2018 Commercial Electrical Inspector | $7,820.01 |
| 2012 Residential Building Inspector | $1,616.79 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $573.93 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $901.89 |
| 2021 Commercial Electrical Inspector | $157.98 |
| 2018 Residential Building Inspector | $4,157.46 |
| 2021 Commercial Building Inspector | $789.90 |
| 2021 Residential Plumbing Inspector | $76.99 |
| 2021 Residential Mechanical Inspector | $846.89 |
| 2018 Commercial Plumbing Inspector | $956.89 |
| 2021 Commercial Mechanical Inspector | $491.94 |
| F29 National Standard Master Mechanical Questions Workbook | $819.90 |
| F16 National Standard Master Electrician Workbook ICC Exam | $566.93 |
| 2018 Residential Plumbing Inspector | $1,077.86 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $538.93 |
| W12 National Standard General Building Contractor (B) | $327.96 |
| 2015 Residential Plumbing Inspector | $1,847.76 |
| 2021 Commercial Plumbing Inspector | $260.97 |
| 67 Fire Inspector II 2021 | $78.99 |
| G29 National Standard Master Mechanical Questions Workbook | $81.99 |
| 67 Fire Inspector II 2015 | $315.96 |
| 2018 Commercial Building Inspector | $868.89 |
| 2015 Commercial Mechanical Inspector | $78.99 |
| F17 National Standard Journeyman Electrician Questions Workbook | $809.90 |
| W29 National Standard Master Mechanical Questions Workbook | $315.96 |
| 2012 Residential Mechanical Inspector | $76.99 |
| 2012 Residential Electrical Inspector | $307.96 |
| 2015 Residential Mechanical Inspector | $153.98 |
| 66 Fire Inspector I 2012 | $315.96 |
| 2021 Residential Electrical Inspector | $153.98 |
| G17 National Standard Journeyman Electrician Questions Workbook | $163.98 |
| W32 National Standard Residential Mechanical Exam Workbook | $76.99 |
| 2018 Commercial Mechanical Inspector | $157.98 |
| 66 Fire Inspector I 2015 | $631.92 |
| 2012 Residential Plumbing Inspector | $76.99 |
| F11 National Standard General Contractor (A) 2015 | $552.93 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $163.98 |
| 2012 Commercial Building Inspector | $157.98 |
| 2015 Commercial Building Inspector | $315.96 |
| 67 Fire Inspector II 2018 | $78.99 |
| 2012 Commercial Electrical Inspector | $78.99 |
| 2015 Residential Electrical Inspector | $76.99 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $81.99 |