Here is where each of these organizations’ networks stand:
Heartland Dental (Effingham, Ill.)
More than 1,700 practices
The Aspen Group (Chicago)
More than 1,300 practices
PDS Health (Henderson, Nev.)
More than 1,000 practices
Where the top 3 largest DSOs stand headed into 2025
Heartland Dental, The Aspen Group and PDS Health are the largest DSOs in the U.S.