- Animal Critical Care Group opened in August, 1997 and since then has grown to the largest Specialist Referral Hospital of its kind in Canada. Our 6000 square foot hospital houses state-of-the-art facilities and equipment. With 2 surgical suites, 2 color doppler ultrasounds, the only CT Scanner in a private practice in Canada, and a STAT lab, we are able to provide you and your pet with excellence in healthcare.www.accg.com