On-site and mobile drug and alcohol testing
About Us
Founded in 1990, C.J. Cooper continues to innovate in drug and alcohol testing while maintaining a central focus on customer service
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News
Updates on C.J. Cooper, including partner affiliates, industry happenings, and significant regulatory changes
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Services
We offer a wide range of drug testing services, including third-party administration, compliance support, and related services
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Products
DrugCheck® on-site products offer quick, reliable results with superior ease of use
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Partners
Express Diagnostics Int’l Inc. is a leading provider of on-site drugs of abuse testing devices and services
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Contact Us
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