Nevada State Contractors Board 
2310 Corporate Circle, Suite 200 
Henderson, NV 89074

Telephone: (702) 486-1100 x1139 
http://www.nscb.state.nv.us 

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