- Anaesthesia Associates of Massachusetts
- Sheridan Healthcare
- North American Partners in Anesthesia
- Parish Management Consultants (Parish Anesthesia Associates)
- The MedWin Group
- United Anesthesia Associates
- Outpatient Anesthesia Associates
- Digestive Healthcare Center & ASCNJ
- Tidewater Anesthesia
- Anesthesia Associates of Southwest Florida
- LifeLinc Corp.
- Monarch Anesthetist Consultants
- Connecticut GI
- Anesthesia Service Associates
- Association of Hospital Anesthesiologists
- Southeast Alabama Medical Center
- Frontier Healthcare
- Flushing Endoscopy Center
- PBGS
- Putnam GI
- Great South Bay Endoscopy Center
- Advanced Surgery Center of LI
- South Brooklyn Endoscopy
- Queens Blvd ASC
- Queens Endoscopy ASC
- West Side GI
- Mulberry Ambulatory Surgery
- Manhattan Endoscopy Center
- Yorkville Endoscopy Center
- AMSC