Sequoia Diagnostics helps to protect your organizations foundation through superior Made in the USA on-site drug and alcohol testing supplies. Our mission is to supply the very best in diagnostics that assist in maintaining a drug free workplace-from trustworthy hiring practices all the way to safe workplace policies. Todays professionals face a myriad of challenges when it comes to hiring and retaining the right people. We do our part in helping to save valuable time and resources in keeping the workplace safe by offering superior Made in the USA testing products that can be relied upon time and time again. Likewise with workplace, Sequoia Diagnostics also protects and supports hospitals and the recovery and treatment industries. Our customers rely on the highest level of accuracy, protecting patients and staff from the potentially devastating consequences of using a testing device with unpredictable chemistry, sensitivity and reporting. A faulty result, whether reporting positive or negative may impact a life forever. Sequoia Diagnostics is the continued operation of Independent Supply, providing Made in the USA on-site drug and alcohol testing supplies to workplace customers with emphasis on the construction, mining, & energy industries since 2002. Our customer list also includes city/county municipalities, corrections, criminal justice, detox, foundries, hospitals, labs, primary and urgent care, recovery, treatment and general workplace. Our Made in the USA DrugSmart brand of premium drug and alcohol testing supplies offers a durable leak-proof design combined with proprietary chemistry unmatched by any product on the market today; providing superior accuracy, the highest sensitivity and the lowest allowable cutoff levels.