From Apparel and Toys to Pampering Services, Petsgiving Helps Pets and Pet Parents Celebrate the Holidays Together PHOENIX, 2015-11-18 — /EPR Retail News/ — It's officially Petsgiving, that special time of year when pet parents give thanks to their best friends for the unconditional love they demonstrate year-round. PetSmart will celebrate the Petsgiving holiday season, which runs now…