Is it s urine or saliva test? BYTim. This helps to ensure a drug free work environment. Does Keller Williams drug test? Does Macy's drug test? Harbor Freight Tools does a pre-employment drug test on all potential employees before hiring. Does Wendy's drug test? Harbor Freight buys their top quality tools from the same factories that supply our competitors. Harbor Freight Tools does a pre-employment drug test on all potential employees before hiring. BYTim. At Harbor Freight Tools, the "Compare to" price means that the specified comparison, which is an item with the same or similar function, was advertised for sale at or above the "Compare to" price by another additional retailer in the U.S. within the past 90 days. Find Your Local Harbor Freight Store. Synthetic Urine Ultime Guide: Pass Your Drug Tests. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or [email protected] For California consumers: more information about our privacy practices.more information about our privacy practices. Don’t Let Them Fool You. Does Amazon Sell Synthetic Urine? Harbor Freight doesn’t have a company policy on drug testing available online, although most who have worked with them say they do not regularly test.It appears Harbor Freight doesn’t conduct a drug screening as part of a pre-employment background, and random drug testing also seems unlikely. Prices advertised by others may vary by location. Can Labs Tell The Difference Between Real and Synthetic Urine? BYTim. This helps to ensure a drug free work environment. We cut out the middleman and pass the savings to you! BYTim. Does Harbor Freight drug test? BYTim. What type of drug test does Harbor Freight conduct? BYTim. Conduct bi-directional tests, simulations and adjustments of onboard computer systems;