TnC holds many proffessional certificates. Some of them are given below. Due to professional reasons, some of them can not be shown here. Others will be shown upon request:

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NEBB Certified TAB Firm
Mehmet Emin Bac NEBB TAB CP Certificate
NEBB Certified Proffessional Certificate
Certified Commissioning Authority (by ACG)
AABC Commissioning Group -Membership Certificate
OSHA Construction Safety Certificate
USACE Construction Quality Management Certificate
Project Management Professional (PMP)
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Energy Management Certificate
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ASHRAE Membership Certificate