Be certain your company is following the DOT guidelines for substance abuse testing of CDL drivers. If not, you are risking costly fines. Either way you should consider looking into becoming a member of the OABA Drug an Alcohol Testing Program administered by OnSite LLC. By joining the OABA program you'll let OnSite do all the work. They provide the random selection, locate a convenient testing location if you are large enough they may come to you and report the results in a confidential and timely manner, all at a very competitive cost.
For more information contact OABA at (614) 326-7520, or info@oaba.net.