American College of Surgeons - Dedicated to improving the care of the surgical patient and to safeguarding standards of care in an optimal and ethical practice.
http://www.facs.org/ more info...
BayChoice Surgeons - Offers a broad array of non-surgical and surgical services for the treatment of conditions from either illness or accident.
http://www.baychoice.com/ more info...
The Society of Thoracic Surgeons - Enhances the ability of cardiothoracic surgeons to provide the patient care through education, research & advocacy.
http://www.sts.org/ more info...