pet finder lost pet pet tags PET FINDER Merial Joins Petfinder.com as Exclusive Animal Health Sponsor October 3 2002-TUCSON Petfinder.com has announced that Merial, a world-leading animal health company, has signed on as its exclusive animal health sponsor, supporting Petfinder.com's extensive network of animal shelters. Petfinder.com is the largest homeless pet finder database on the Web and represents over 90,000 animals at any one time in more than 4,000 shelters and rescue groups across the U.S.