| G31 Journeyman Mechanical Exam 2018 Paperback Version | $8,117.01 |
| T18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| G13 Building Contractor (C) 2018 | $7,622.01 |
| G29 National Standard Master Mechanical Questions Workbook | $8,117.01 |
| 2021 Commercial Plumbing Inspector | $8,612.01 |
| 67 Fire Inspector II 2021 | $7,820.01 |
| 66 Fire Inspector I 2021 | $7,820.01 |
| G11 General Building Contractor (A) 2018 | $8,117.01 |
| T16 National Standard Master Electrician Workbook ICC Exam 2021 | $8,117.01 |
| 2021 Residential Electrical Inspector | $7,622.01 |
| G17 National Standard Journeyman Electrician Questions Workbook | $8,117.01 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $8,117.01 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| 2012 Commercial Electrical Inspector | $7,820.01 |
| 2012 Commercial Building Inspector | $7,820.01 |
| 2021 Commercial Mechanical Inspector | $8,117.01 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $8,117.01 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $8,117.01 |
| 66 Fire Inspector I 2015 | $7,820.01 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| 2021 Residential Plumbing Inspector | $6,082.21 |
| 2012 Residential Plumbing Inspector | $7,622.01 |
| W29 National Standard Master Mechanical Questions Workbook | $7,820.01 |
| 2015 Commercial Building Inspector | $7,583.04 |
| W12 National Standard General Building Contractor (B) | $8,117.01 |
| 2015 Commercial Plumbing Inspector | $8,117.01 |
| 2021 Residential Mechanical Inspector | $4,157.46 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $3,689.55 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $4,581.42 |
| 2021 Commercial Building Inspector | $7,820.01 |
| 2021 Residential Building Inspector | $4,465.42 |
| 2018 Residential Mechanical Inspector | $1,000.87 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $1,565.82 |
| 67 Fire Inspector II 2015 | $7,820.01 |
| 2012 Residential Electrical Inspector | $7,622.01 |
| 2012 Residential Building Inspector | $769.90 |
| 2018 Commercial Electrical Inspector | $236.97 |
| 66 Fire Inspector I 2012 | $2,843.64 |
| 2015 Commercial Mechanical Inspector | $3,159.60 |
| 2015 Residential Plumbing Inspector | $3,233.58 |
| 2012 Commercial Mechanical Inspector | $4,423.44 |
| 2018 Residential Electrical Inspector | $1,539.80 |
| 2015 Residential Mechanical Inspector | $307.96 |
| T17 National Standard Journeyman Electrician Questions Workbook | $789.90 |
| 67 Fire Inspector II 2012 | $1,658.79 |
| 2015 Residential Electrical Inspector | $307.96 |
| 2012 Residential Mechanical Inspector | $923.88 |
| 2015 Residential Building Inspector | $1,000.87 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $163.98 |
| W32 National Standard Residential Mechanical Exam Workbook | $153.98 |
| F32 National Standard Residential Mechanical Exam Workbook | $461.94 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $153.98 |
| F16 National Standard Master Electrician Workbook ICC Exam | $161.98 |
| 2021 Commercial Electrical Inspector | $315.96 |
| 2018 Residential Plumbing Inspector | $76.99 |
| 2018 Commercial Plumbing Inspector | $86.99 |
| 2015 Commercial Electrical Inspector | $78.99 |