| T18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| 2015 Residential Plumbing Inspector | $7,622.01 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| F32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 2018 Residential Plumbing Inspector | $7,622.01 |
| 2012 Residential Plumbing Inspector | $153.98 |
| F12 National Standard General Building Contractor (B) 2015 | $8,315.01 |
| W16 National Standard Master Electrician Workbook ICC Exam | $7,820.01 |
| 2012 Residential Mechanical Inspector | $76.99 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| W32 National Standard Residential Mechanical Exam Workbook | $1,000.87 |
| 2015 Commercial Plumbing Inspector | $1,065.87 |
| 2021 Residential Building Inspector | $692.91 |
| 2021 Residential Plumbing Inspector | $7,622.01 |
| 67 Fire Inspector II 2021 | $7,820.01 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $5,915.32 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $983.88 |
| 66 Fire Inspector I 2021 | $157.98 |
| 2018 Residential Building Inspector | $7,622.01 |
| 2021 Commercial Building Inspector | $5,292.33 |
| 67 Fire Inspector II 2015 | $7,820.01 |
| W12 National Standard General Building Contractor (B) | $3,689.55 |
| W13 National Standard Residential Building Contractor (C) | $7,820.01 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $4,345.47 |
| F13 National Standard Residential Building Contractor (C) 2015 | $5,426.33 |
| W17 National Standard Journeyman Electrician Questions Workbook | $3,712.53 |
| 2012 Residential Electrical Inspector | $5,312.31 |
| 2018 Commercial Mechanical Inspector | $7,820.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| 2018 Commercial Plumbing Inspector | $8,612.01 |
| 2015 Residential Mechanical Inspector | $6,082.21 |
| G11 General Building Contractor (A) 2018 | $163.98 |
| 2015 Residential Electrical Inspector | $4,465.42 |
| G29 National Standard Master Mechanical Questions Workbook | $4,591.44 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $4,509.45 |
| 2021 Residential Electrical Inspector | $1,693.78 |
| 2018 Residential Electrical Inspector | $692.91 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $1,557.81 |
| 2021 Residential Mechanical Inspector | $1,616.79 |
| F17 National Standard Journeyman Electrician Questions Workbook | $971.88 |
| 2012 Commercial Plumbing Inspector | $983.88 |
| 2018 Commercial Electrical Inspector | $710.91 |
| G12 Building Contractor (B) 2018 | $434.95 |
| G17 National Standard Journeyman Electrician Questions Workbook | $983.88 |
| 67 Fire Inspector II 2018 | $236.97 |
| 66 Fire Inspector I 2018 | $710.91 |
| 67 Fire Inspector II 2012 | $78.99 |
| 66 Fire Inspector I 2012 | $236.97 |
| 2012 Commercial Building Inspector | $473.94 |
| W29 National Standard Master Mechanical Questions Workbook | $78.99 |
| 2015 Commercial Building Inspector | $157.98 |
| 2015 Commercial Mechanical Inspector | $78.99 |
| 66 Fire Inspector I 2015 | $157.98 |
| 2012 Commercial Electrical Inspector | $78.99 |