Tennessee Board for Licensing Contractors
500 James Robertson Parkway, Suite 110
Nashville, TN 37243
Telephone: (615) 741-8307
Fax: (615) 532-2868

http://www.state.tn.us/commerce/boards/contractors/

Bureau of Alcohol, Tobacco, Firearms, and Explosives

http://www.atf.gov

Department of the Interior

http://www.doi.gov

Department of Transportation

http://www.dot.gov

Explosives Academy 

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Occupational Safety and Health Administration