National Screening Centers

National Screening Centers offers a number of testing services including DNA, poison, drug, alcohol, paternity and various other types. They have 6 locations in New Mexico, Farmington and Houston (2), Corpus Christi, Texas City, and Dallas, Texas; and have around 3500 offices across the mainland United States. With such a wide network and capacity to handle many cases altogether, there is no test that National Screening Centers could not perform.