| F32 National Standard Residential Mechanical Exam Workbook | $5,851.24 |
| G12 Building Contractor (B) 2018 | $8,612.01 |
| F13 National Standard Residential Building Contractor (C) 2015 | $8,018.01 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $7,820.01 |
| W17 National Standard Journeyman Electrician Questions Workbook | $7,820.01 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $6,005.22 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $7,622.01 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $3,541.54 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $1,217.86 |
| 2018 Commercial Electrical Inspector | $7,820.01 |
| 2012 Residential Building Inspector | $1,847.76 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $819.90 |
| 2018 Residential Electrical Inspector | $7,622.01 |
| 2021 Commercial Electrical Inspector | $236.97 |
| 2018 Residential Building Inspector | $5,389.30 |
| 2021 Residential Plumbing Inspector | $230.97 |
| 2021 Residential Mechanical Inspector | $1,000.87 |
| 2018 Commercial Plumbing Inspector | $2,348.73 |
| 2021 Commercial Mechanical Inspector | $1,229.85 |
| F16 National Standard Master Electrician Workbook ICC Exam | $2,186.73 |
| 2018 Residential Plumbing Inspector | $1,847.76 |
| F18 National Standard Residential Electrician Workbook ICC Exam | $2,001.74 |
| 2015 Residential Plumbing Inspector | $3,079.60 |
| 2021 Commercial Plumbing Inspector | $347.96 |
| 67 Fire Inspector II 2021 | $78.99 |
| G29 National Standard Master Mechanical Questions Workbook | $163.98 |
| 67 Fire Inspector II 2015 | $1,816.77 |
| 2018 Commercial Building Inspector | $2,685.66 |
| 2015 Commercial Mechanical Inspector | $1,579.80 |
| F17 National Standard Journeyman Electrician Questions Workbook | $2,915.64 |
| W29 National Standard Master Mechanical Questions Workbook | $947.88 |
| 2012 Residential Electrical Inspector | $1,308.83 |
| 2021 Residential Electrical Inspector | $307.96 |
| 2012 Commercial Building Inspector | $2,527.68 |
| W32 National Standard Residential Mechanical Exam Workbook | $307.96 |
| W12 National Standard General Building Contractor (B) | $1,065.87 |
| 2018 Commercial Mechanical Inspector | $394.95 |
| 2015 Residential Mechanical Inspector | $769.90 |
| T17 National Standard Journeyman Electrician Questions Workbook | $157.98 |
| 2012 Residential Mechanical Inspector | $923.88 |
| 2012 Commercial Plumbing Inspector | $573.93 |
| G17 National Standard Journeyman Electrician Questions Workbook | $1,311.84 |
| 2015 Commercial Electrical Inspector | $789.90 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $1,065.87 |
| 66 Fire Inspector I 2012 | $315.96 |
| 2012 Commercial Electrical Inspector | $868.89 |
| W11 National Standard General Contractor (A) | $923.88 |
| 66 Fire Inspector I 2015 | $78.99 |
| 2012 Residential Plumbing Inspector | $1,000.87 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $819.90 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $819.90 |
| 2015 Commercial Plumbing Inspector | $655.92 |
| 2015 Residential Building Inspector | $384.95 |
| W13 National Standard Residential Building Contractor (C) | $315.96 |
| 2015 Residential Electrical Inspector | $76.99 |
| 2015 Commercial Building Inspector | $78.99 |
| F29 National Standard Master Mechanical Questions Workbook | $81.99 |