"We have been using Twin Tiers Drug & Alcohol Testing for over a year now, and the service is great! When we call (which is any time of the day or night), their response has always been, “what time do you need us there?!”

After all my years in the industry, Twin Tiers Drug & Alcohol Testing is the best I have ever worked with!"

 

- Kelvin L. Lockhart Sr., Rail Operations Manager-Southern Tier District

  Norfolk Southern - The world's leading railroad logistics company.

WHAT OUR CLIENTS HAVE TO SAY

 

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