Princeton Insurance provides medical professional liability insurance to hospitals and medical professionals in the state of New Jersey, and only New Jersey. It also provides risk management and loss prevention counseling through Princeton Risk Protection; Princeton Advertising & Marketing handles the company's advertising. The firm also offers a bit of property insurance packaged with general liability for doctor's offices to cover fine art and collectibles. Independent agents distribute the company's products. Princeton Insurance was founded in 1976, acquired by New York-based Medical Liability Mutual Insurance Company in 2000, and sold to Berkshire Hathaway's Medical Protective Company in 2012.