Heartland Dental, Aspen Dental and Pacific Dental Services are the top three largest DSOs in the U.S.
Here is what each DSO's network size is halfway through the year:
Heartland Dental (Effingham, Ill.)
Locations: 1,650+
States: 38
Aspen Dental (Chicago)
Locations: 1,000+
States: 43
Pacific Dental Services (Irvine, Calif.)
Locations: 940
States: 25