Contact Us for Drug Testing in Houston, TX

Corporate Headquarters

654 N. Sam Houston Parkway E., Suite 189
Houston, TX 77060
Phone: 281-405-TEST (8378), 1-800-743-8432
FAX: 281-405-8004
Hours:  Monday - Thursday - 8:00 a.m. - 4:30 p.m.
Friday - 8:00 a.m.- 2:30p.m. After hours are for emergency calls

Regional Office

5945 McArdle Rd., Suite 113
Corpus Christi, TX 78412
Phone: 361-225-2218
FAX: 361-255-2092
Hours:  Monday - Friday - 8:00 a.m. - 4:30 p.m.

Other Offices

Dallas

1735 Keller Springs Rd., Suite 208
Carrollton, TX 75006
Phone: 214-483-9622
Hours: Monday, Wednesday, and Thursday - 8:00 a.m.- 3:00 p.m.

San Antonio

900 NE Loop 410, Suite D309
San Antonio, Texas 78209
Phone: 210-822-7625
FAX: 210-822-7625
Hours: Monday - Friday - 8:00 a.m. - 2:00 p.m.