888-230-7424 | Office Hours: 8:30am - 4:30pm Mon-Fri | 24/7 Post-Accident Service

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Contact Information

A & O Business Services, LLC
D-TAP, Drug Test Awareness Program
Parkade Center
601  Business Loop 70 W. Suite 204

(Come in the East entrance of the Parkade Center, we are located inside,  across from MACC and next to the Columbia College Office.)

Columbia, MO 65203

Office Hours:
8:30am-4:30pm (lunch: 12:30pm-1:00pm)
Click here to view schedule of office closure

Office: 573-303-5511
Toll-Free: 888-230-7424
Toll-Free Fax: 1-888 697-9627
Email: client@drugtestawareness.com