IHSN was founded in 1993 with the simple idea of providing quality drug testing programs at an affordable price.  Dedicated to that mission, IHSN has earned a reputation for exceptional service, quality and integrity.

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We specialize in providing drug and alcohol testing programs for Motor Carriers regulated by the U.S. Department of Transportation (DOT). We also provide services for many employers who have chosen to implement testing programs for their companies. We currently service a wide variety of employers such as manufacturers, municipalities, professional organizations, retail stores, small businesses and many more.  Whether you are an Owner/Operator establishing your first drug and alcohol testing program, or an experienced safety professional,  IHSN has the program to meet your needs.  

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Customer service is our number one priority at IHSN. When you call IHSN, you can be assured that you will be greeted by friendly, professional staff.  We promise to meet or exceed your service expectations.