TICA ® & Dr. Elsey's Present Championship Cat Show, Presentation of Breeds & Education Presented by The International Cat Association ® (TICA ®) and Dr. Elsey's Cat Products TICA World of Cats; Championship Cat Show, Education and Feline Agility The International Cat Association ® (TICA ®) is the world's largest genetic registry of pedigreed cats, the largest registry of, household pet cats and kittens. (petexpooc.org)