- Tricho-Tech Limited
Testing and detection using hair analysis for professional organisations in the management of drug misuse and addiction.
http://www.tricho-tech.co.uk/
- US Screening Source
Drug testing kits and screening. FDA approved products can screen for up to eleven drugs including marijuana and cocaine. Drug testing advice and pre-employment screening.
http://www.usscreeningsource.com
- WPCI Online
Provider of drug testing programs, products and services.
http://www.wpcidrugfree.com/
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