Contact Us

CDS Services, Inc.
Corporate Headquarters

2348 Hampton Ave.
St. Louis, MO 63139
Tel: 314-645-5577
Toll: 800-439-1454
Fax: 314-645-6767
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it


CDS Services, Inc.
Wisconsin Office

1280 S. Van Dyke Rd.
Appleton, WI 54914
Tel: 920-830-8440
Toll: 888-314-4733
Fax: 920-830-8443



CDS Services, Inc.
San Antonio Office

Toll: 800-439-1454
Fax: 866-645-6767


CDS Drug Testing Services of BC, Inc.
British Columbia, Canada Office

Toll: 877-771-5577
Fax: 604-522-2694