| T18 National Standard Residential Electrician Workbook ICC Exam | $6,159.20 |
| 67 Fire Inspector II 2021 | $7,820.01 |
| G29 National Standard Master Mechanical Questions Workbook | $8,117.01 |
| 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 |
| 2021 Commercial Plumbing Inspector | $8,612.01 |
| T17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $8,117.01 |
| G11 General Building Contractor (A) 2018 | $8,117.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| 2021 Residential Building Inspector | $7,622.01 |
| W11 National Standard General Contractor (A) | $7,622.01 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $8,117.01 |
| 2015 Commercial Mechanical Inspector | $7,820.01 |
| 2015 Commercial Electrical Inspector | $7,820.01 |
| 2021 Commercial Electrical Inspector | $7,820.01 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $8,612.01 |
| F32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| 2021 Residential Electrical Inspector | $7,622.01 |
| 2012 Residential Electrical Inspector | $7,622.01 |
| 2015 Residential Plumbing Inspector | $7,622.01 |
| W29 National Standard Master Mechanical Questions Workbook | $7,820.01 |
| 2018 Residential Building Inspector | $7,622.01 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $7,622.01 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| G17 National Standard Journeyman Electrician Questions Workbook | $8,117.01 |
| 2018 Residential Plumbing Inspector | $7,622.01 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| W12 National Standard General Building Contractor (B) | $8,117.01 |
| 2018 Commercial Building Inspector | $7,820.01 |
| 2012 Residential Mechanical Inspector | $7,622.01 |
| 67 Fire Inspector II 2018 | $7,820.01 |
| 2015 Residential Mechanical Inspector | $7,622.01 |
| 66 Fire Inspector I 2012 | $7,820.01 |
| 67 Fire Inspector II 2015 | $7,820.01 |
| 2012 Residential Plumbing Inspector | $2,463.68 |
| 2012 Commercial Electrical Inspector | $7,820.01 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $8,117.01 |
| F16 National Standard Master Electrician Workbook ICC Exam | $971.88 |
| 2018 Commercial Plumbing Inspector | $4,262.51 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $5,001.39 |
| 2021 Commercial Mechanical Inspector | $2,377.71 |
| 2012 Residential Building Inspector | $1,924.75 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| 2015 Commercial Plumbing Inspector | $1,475.82 |
| 2021 Commercial Building Inspector | $552.93 |
| F17 National Standard Journeyman Electrician Questions Workbook | $1,862.77 |
| 2018 Commercial Mechanical Inspector | $1,500.81 |
| 66 Fire Inspector I 2018 | $1,026.87 |
| 2021 Residential Mechanical Inspector | $461.94 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $901.89 |
| 2015 Residential Electrical Inspector | $153.98 |
| 2018 Commercial Electrical Inspector | $868.89 |
| W13 National Standard Residential Building Contractor (C) | $394.95 |
| F29 National Standard Master Mechanical Questions Workbook | $573.93 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $81.99 |
| 2012 Commercial Plumbing Inspector | $327.96 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $76.99 |
| G12 Building Contractor (B) 2018 | $260.97 |
| 2018 Residential Mechanical Inspector | $230.97 |
| 2012 Commercial Building Inspector | $157.98 |
| W32 National Standard Residential Mechanical Exam Workbook | $153.98 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| 66 Fire Inspector I 2015 | $78.99 |
| F11 National Standard General Contractor (A) 2015 | $78.99 |