10 Biggest Companies That Drug Test

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#4 Exxon Mobil Corporation (NYSE:XOM)

Market Cap – $347.11 billion

We are continuing our list of biggest companies that drug test with Exxon Mobil Corporation (NYSE:XOM) that states that it requires all applicants to take a urinalysis test, while some applicants may also be required to take an alcohol test. However, it was reported by Bloomberg in 2012 that Exxon Mobil would begin doing hair follicle testing instead of urine testing, so it’s unclear which test is the current standard used by the company. At any rate, drug testing is standard at Exxon Mobil, which has been trying to combat prevalent drug use among rig workers.

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