LabCorp

Sterling partners with LabCorp to provide comprehensive drug testing programs. LabCorp is one of the largest commercial laboratories of its kind. The LabCorp occupational testing laboratory network consists of seven strategically located facilities throughout the US, six of which are certified by the Substance Abuse and Mental Health Services Administration (SAMHSA). LabCorp offers drug screen collections at many of its more than 1,000 patient service centers across the US. LabCorp trades on the NYSE under the symbol LH.

Quest Diagnostics

Quest Diagnostics is one of the nation's leading providers of diagnostic testing, information and services. Sterling’s partnership with Quest's Employer Solutions Division enables us to offer clients the benefits of Quest’s six national Substance and Mental Health Services Administration (SAMHSA)-certified laboratories and extensive network of patient service centers and preferred third party collection sites. Quest’s Employer Solutions Division is dedicated to superior service standards and reducing errors with a reliance on Six Sigma Quality. Quest trades on the NYSE under the symbol DGX.

Tazworks is a trusted leader, exceeding the technology needs of companies in the Background Screening Industry