About USAMDT of Houston


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USA Mobile Drug Testing of Houston was established to help companies like yours identify, manage and avoid workplace drug and alcohol problems and build more productive and satisfying work environments for employees.

Tona Trondsenpresident and owner of USA Mobile Drug Testing of Houston, has a background in business management, human resources and youth mentorship for both nonprofit and for profit companies.  After seeing the impact of substance abuse in the workplace and within families, she chose to make it her mission to address the issue head-on with training and education designed to protect businesses and keep people working, productive and healthy. 

In less than three years, she has expanded her USA Mobile Drug Testing franchise to service the entire greater Houston area.  In 2013, she opened a walk-in office location in support of clients at the busy Port of Houston.  She customizes Drug Free Workplace programs for companies of all sizes—offering DOT approved substance abuse testing, supervisor and employee training courses, recovery coaching and comprehensive background check services to assist companies in finding and keeping the right people for the job.  She was named USAMDT Corporate’s Top Producer of the Year for 2013.