HERNDON, Va., Aug. 24 /PRNewswire/ --  Inc. magazine today ranked The PTR Group, a leading real-time and embedded technology engineering services provider,  3178th on its fourth annual Inc. 5000 list, an exclusive ranking of the nation's fastest-growing private companies. The list represents the most comprehensive look at the most important segment of the economy—America’s independent-minded entrepreneurs.

This marks an astounding fourth consecutive appearance on the list by the PTR Group which demonstrated significant growth in the three year period from 2006 to 2009 to qualify. details here