| T18 National Standard Residential Electrician Workbook ICC Exam | $2,771.64 |
| 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 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| F32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| 2018 Commercial Electrical Inspector | $7,820.01 |
| 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 |
| 2012 Residential Building Inspector | $769.90 |
| 2012 Residential Electrical Inspector | $7,314.05 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $538.93 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $8,612.01 |
| W29 National Standard Master Mechanical Questions Workbook | $1,263.84 |
| 2012 Commercial Electrical Inspector | $7,820.01 |
| G29 National Standard Master Mechanical Questions Workbook | $6,313.23 |
| 2021 Commercial Electrical Inspector | $1,421.82 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $2,459.70 |
| 2015 Commercial Electrical Inspector | $631.92 |
| 2018 Commercial Building Inspector | $868.89 |
| 2018 Commercial Mechanical Inspector | $7,820.01 |
| 2015 Commercial Mechanical Inspector | $1,421.82 |
| 2021 Commercial Mechanical Inspector | $2,131.74 |
| 67 Fire Inspector II 2021 | $78.99 |
| 2021 Residential Mechanical Inspector | $7,622.01 |
| 2021 Residential Electrical Inspector | $7,622.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $78.99 |
| 2021 Residential Building Inspector | $461.94 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $1,475.82 |
| 2021 Commercial Plumbing Inspector | $434.95 |
| 2015 Residential Building Inspector | $1,693.78 |
| 66 Fire Inspector I 2015 | $315.96 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $1,721.79 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $1,803.78 |
| 2012 Commercial Building Inspector | $631.92 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $1,000.87 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $901.89 |
| 2018 Residential Plumbing Inspector | $384.95 |
| F16 National Standard Master Electrician Workbook ICC Exam | $1,376.83 |
| 2012 Residential Mechanical Inspector | $1,077.86 |
| 66 Fire Inspector I 2012 | $710.91 |
| W32 National Standard Residential Mechanical Exam Workbook | $153.98 |
| 2018 Residential Mechanical Inspector | $307.96 |
| G17 National Standard Journeyman Electrician Questions Workbook | $655.92 |
| 2021 Residential Plumbing Inspector | $307.96 |
| 2018 Commercial Plumbing Inspector | $434.95 |
| F29 National Standard Master Mechanical Questions Workbook | $491.94 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| W12 National Standard General Building Contractor (B) | $245.97 |
| W13 National Standard Residential Building Contractor (C) | $78.99 |
| 67 Fire Inspector II 2012 | $78.99 |