| T18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| 67 Fire Inspector II 2021 | $7,820.01 |
| T16 National Standard Master Electrician Workbook ICC Exam 2021 | $8,117.01 |
| G13 Building Contractor (C) 2018 | $7,622.01 |
| 66 Fire Inspector I 2021 | $7,820.01 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $8,117.01 |
| G11 General Building Contractor (A) 2018 | $8,117.01 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $8,117.01 |
| 2021 Residential Electrical Inspector | $7,622.01 |
| 2012 Commercial Electrical Inspector | $7,820.01 |
| 2021 Residential Mechanical Inspector | $7,622.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| 2015 Residential Electrical Inspector | $7,622.01 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $8,117.01 |
| G17 National Standard Journeyman Electrician Questions Workbook | $8,117.01 |
| G29 National Standard Master Mechanical Questions Workbook | $8,117.01 |
| 2018 Residential Mechanical Inspector | $1,770.77 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $8,117.01 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $1,639.80 |
| 2021 Residential Plumbing Inspector | $4,003.48 |
| F16 National Standard Master Electrician Workbook ICC Exam | $8,018.01 |
| 2021 Commercial Building Inspector | $7,820.01 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| F11 National Standard General Contractor (A) 2015 | $5,924.25 |
| 67 Fire Inspector II 2012 | $7,820.01 |
| W13 National Standard Residential Building Contractor (C) | $7,820.01 |
| 2012 Commercial Mechanical Inspector | $7,820.01 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $3,914.55 |
| 66 Fire Inspector I 2015 | $4,107.48 |
| F12 National Standard General Building Contractor (B) 2015 | $1,511.82 |
| W16 National Standard Master Electrician Workbook ICC Exam | $7,820.01 |
| 2015 Commercial Building Inspector | $7,820.01 |
| 2012 Residential Plumbing Inspector | $2,848.63 |
| 2015 Commercial Plumbing Inspector | $8,117.01 |
| 2015 Residential Plumbing Inspector | $3,541.54 |
| 2012 Commercial Building Inspector | $2,053.74 |
| F29 National Standard Master Mechanical Questions Workbook | $2,459.70 |
| W17 National Standard Journeyman Electrician Questions Workbook | $315.96 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $1,263.84 |
| 2021 Residential Building Inspector | $615.92 |
| 2018 Commercial Building Inspector | $1,974.75 |
| T17 National Standard Journeyman Electrician Questions Workbook | $1,184.85 |
| 2015 Commercial Mechanical Inspector | $789.90 |
| 2015 Commercial Electrical Inspector | $394.95 |
| 2012 Commercial Plumbing Inspector | $737.91 |
| 2012 Residential Electrical Inspector | $692.91 |
| 2012 Residential Building Inspector | $307.96 |
| F32 National Standard Residential Mechanical Exam Workbook | $153.98 |
| 2018 Commercial Electrical Inspector | $78.99 |
| 2021 Commercial Plumbing Inspector | $173.98 |
| 2015 Residential Mechanical Inspector | $307.96 |
| 67 Fire Inspector II 2018 | $631.92 |
| 2018 Residential Plumbing Inspector | $230.97 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $327.96 |
| 2018 Commercial Mechanical Inspector | $78.99 |
| W32 National Standard Residential Mechanical Exam Workbook | $76.99 |
| 2018 Commercial Plumbing Inspector | $86.99 |
| 2021 Commercial Electrical Inspector | $157.98 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |