| Heartland Dental | 2,162 |
| Pacific Dental Services / PDS Health | 1,916 |
| Affordable Dentures & Implants | 729 |
| Aspen Dental Management | 708 |
| MB2 Dental Solutions | 479 |
| Western Dental / Brident / Sonrava Health | 436 |
| smile-doctors | 371 |
| Smile Brands (BrightNow!, Monarch, Castle Dental) | 359 |
| Dental One Partners / InterDent | 288 |
| Comfort Dental | 194 |
| Coast Dental | 183 |
| Sage Dental | 170 |
| Ideal Dental (DECA Dental Group) | 151 |
| Benevis (formerly Kool Smiles) | 132 |
| Dentistry for Children | 123 |
| Gentle Dental (InterDent) | 101 |
| Towncare Dental | 94 |
| Riccobene Associates Family Dentistry | 75 |
| tend-dental | 72 |
| great-expressions | 53 |
| Mobile Dentists (Big Smiles) | 44 |
| clearchoice | 42 |
| Dental Depot | 39 |
| rodeo-dental | 38 |
| Dental Dreams | 33 |
| Risas Dental and Braces | 26 |
| dentalworks | 26 |
| valley-health-systems | 24 |
| david-e-thome | 24 |
| perfect-teeth | 22 |