Here are four companies to know:
1. Scottsdale, Ariz.-based Imagen Dental Partners added the 100th practice to its network earlier this month.
2. Dallas-based Beacon Oral Specialists hit 100 offices in September after partnering with two practices in California and Florida.
3. Greenwood Village, Colo.-based ClearChoice Dental Implant Centers opened its 100th office in Rochelle Park, N.J.
4. Jonesboro, Ark.-based GPS Dental surpassed 100 offices after adding practices in Virginia, California, Kansas, Illinois, Tennessee and Wisconsin.