Our corporate offices in Houston, Texas, USA are well staffed with knowledgeable and experienced personnel that are trained in the importance of excellent client service and can serve the needs of individuals and businesses from coast to coast with our huge network of collection sites.

The laboratories we utilize for drug testing and DNA testing are either certified by the U.S. Federal government or are accredited by at least two nationally recognized organizations. Our philosophy has always been to choose facilities that maintain the highest standards of accuracy in laboratory testing.

Our mission is to make it as easy as possible for any person or entity to receive the type of accurate drug or DNA testing they desire. We also want employers to feel comfortable with the choices they are making in hiring. Utilizing the tools we have at our disposal, we will give them the types of background information they need on potential hires to aid in making an intelligent decision. We will perform our mission in a way that provides the highest level of client service possible.  


DDS is part of the Texas Clinic Healthcare System.