| G31 Journeyman Mechanical Exam 2018 Paperback Version | $8,117.01 |
| T18 National Standard Residential Electrician Workbook ICC Exam | $3,772.51 |
| G13 Building Contractor (C) 2018 | $7,622.01 |
| T17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $8,117.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| 2021 Residential Building Inspector | $2,463.68 |
| 2021 Residential Electrical Inspector | $3,926.49 |
| F16 National Standard Master Electrician Workbook ICC Exam | $8,018.01 |
| 2021 Commercial Mechanical Inspector | $7,133.13 |
| W32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 67 Fire Inspector II 2018 | $7,820.01 |
| G29 National Standard Master Mechanical Questions Workbook | $8,117.01 |
| W11 National Standard General Contractor (A) | $7,622.01 |
| F32 National Standard Residential Mechanical Exam Workbook | $7,622.01 |
| 2015 Residential Mechanical Inspector | $7,622.01 |
| 2012 Residential Mechanical Inspector | $4,542.41 |
| 2021 Commercial Plumbing Inspector | $8,612.01 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| 67 Fire Inspector II 2021 | $7,820.01 |
| 2021 Commercial Electrical Inspector | $157.98 |
| 2018 Residential Building Inspector | $7,622.01 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $7,622.01 |
| 2012 Commercial Plumbing Inspector | $8,117.01 |
| 2021 Residential Mechanical Inspector | $5,235.32 |
| F17 National Standard Journeyman Electrician Questions Workbook | $6,641.18 |
| 2012 Residential Building Inspector | $1,077.86 |
| 2018 Commercial Mechanical Inspector | $7,820.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $3,001.62 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $3,541.54 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $5,575.32 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $1,000.87 |
| 2015 Commercial Electrical Inspector | $2,527.68 |
| 66 Fire Inspector I 2021 | $78.99 |
| F12 National Standard General Building Contractor (B) 2015 | $8,315.01 |
| 2012 Residential Plumbing Inspector | $2,001.74 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $4,088.53 |
| W29 National Standard Master Mechanical Questions Workbook | $7,820.01 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| 2018 Commercial Electrical Inspector | $6,556.17 |
| 2018 Residential Plumbing Inspector | $846.89 |
| 2018 Commercial Building Inspector | $6,951.12 |
| 67 Fire Inspector II 2015 | $3,949.50 |
| W12 National Standard General Building Contractor (B) | $1,967.76 |
| 2012 Residential Electrical Inspector | $6,852.11 |
| 2012 Commercial Electrical Inspector | $473.94 |
| 2015 Residential Plumbing Inspector | $461.94 |
| 66 Fire Inspector I 2012 | $1,421.82 |
| G17 National Standard Journeyman Electrician Questions Workbook | $1,065.87 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $983.88 |
| 2021 Commercial Building Inspector | $236.97 |
| 67 Fire Inspector II 2012 | $1,105.86 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $230.97 |
| 2021 Residential Plumbing Inspector | $230.97 |
| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| W13 National Standard Residential Building Contractor (C) | $631.92 |
| 2015 Commercial Plumbing Inspector | $163.98 |
| 66 Fire Inspector I 2018 | $947.88 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $153.98 |
| 2012 Commercial Mechanical Inspector | $78.99 |
| 2015 Commercial Building Inspector | $78.99 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $81.99 |