| 2021 Commercial Mechanical Inspector | $3,935.52 |
| T17 National Standard Journeyman Electrician Questions Workbook | $3,001.62 |
| G31 Journeyman Mechanical Exam 2018 Paperback Version | $2,459.70 |
| 2021 Commercial Electrical Inspector | $1,974.75 |
| W12 National Standard General Building Contractor (B) | $3,771.54 |
| G29 National Standard Master Mechanical Questions Workbook | $1,475.82 |
| 2021 Residential Electrical Inspector | $1,154.85 |
| 2015 Commercial Electrical Inspector | $1,342.83 |
| T16 National Standard Master Electrician Workbook ICC Exam 2021 | $163.98 |
| 2018 Residential Plumbing Inspector | $5,081.34 |
| 2018 Residential Building Inspector | $7,622.01 |
| F32 National Standard Residential Mechanical Exam Workbook | $3,233.58 |
| 2015 Residential Plumbing Inspector | $7,622.01 |
| 66 Fire Inspector I 2012 | $7,820.01 |
| 2012 Residential Building Inspector | $5,543.28 |
| 67 Fire Inspector II 2015 | $7,820.01 |
| F12 National Standard General Building Contractor (B) 2015 | $8,315.01 |
| 2015 Residential Mechanical Inspector | $7,545.02 |
| G12 Building Contractor (B) 2018 | $7,394.15 |
| 2012 Residential Electrical Inspector | $6,313.18 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| 2018 Residential Electrical Inspector | $4,465.42 |
| W29 National Standard Master Mechanical Questions Workbook | $6,319.20 |
| W17 National Standard Journeyman Electrician Questions Workbook | $5,687.28 |
| 2018 Commercial Building Inspector | $3,949.50 |
| 2018 Commercial Electrical Inspector | $7,820.01 |
| W13 National Standard Residential Building Contractor (C) | $4,344.45 |
| 67 Fire Inspector II 2018 | $3,475.56 |
| G17 National Standard Journeyman Electrician Questions Workbook | $4,181.49 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $2,951.64 |
| F11 National Standard General Contractor (A) 2015 | $4,502.43 |
| 66 Fire Inspector I 2018 | $5,213.34 |
| W11 National Standard General Contractor (A) | $1,770.77 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $1,462.81 |
| 2012 Commercial Plumbing Inspector | $2,623.68 |
| 67 Fire Inspector II 2012 | $2,448.69 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $521.94 |
| 2012 Residential Plumbing Inspector | $76.99 |
| W32 National Standard Residential Mechanical Exam Workbook | $923.88 |
| F16 National Standard Master Electrician Workbook ICC Exam | $161.98 |
| 2015 Commercial Mechanical Inspector | $1,895.76 |
| F17 National Standard Journeyman Electrician Questions Workbook | $5,507.32 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $409.95 |
| W16 National Standard Master Electrician Workbook ICC Exam | $1,342.83 |
| 2021 Residential Mechanical Inspector | $230.97 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $846.89 |
| 2015 Commercial Building Inspector | $394.95 |
| 2018 Commercial Mechanical Inspector | $1,184.85 |
| 2021 Residential Plumbing Inspector | $76.99 |
| 2018 Commercial Plumbing Inspector | $956.89 |
| 2012 Commercial Mechanical Inspector | $236.97 |
| 67 Fire Inspector II 2021 | $157.98 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $538.93 |
| 2015 Residential Electrical Inspector | $384.95 |
| 2018 Residential Mechanical Inspector | $230.97 |
| 66 Fire Inspector I 2015 | $157.98 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $163.98 |
| 2012 Commercial Electrical Inspector | $552.93 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $163.98 |