Oklahoma State Department of Health   
Occupational Licensing Service 
1000 N. E. 10th Street 
Oklahoma City, OK 73117-1299 

Telephone: (405) 271-5217

http://www.health.state.ok.us/cib/index.html 

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