- MA Corporate License 3278
- EPA Lead-Safe Certification NAT-25247-2
- MA Lead-Safe Certification LR002303
- WBE/DBE
- Viessmann Vitodens Training
- Bosch Greenstar Training
- Buderus Hydronic Education and Logamatic Programming
- Buderus G125BE Training
- Lochinvar Troubleshooting Training
- Buderus GB142 Training
- Lost Art of Steam Heating Seminar