Greg Shearson, CEO of Merrick Pet Care, Inc., spreads Thanksgiving cheer and donates nutritious and healthy food among homeless dogs at PAWS Chicago’s adoption center recently. Starting Dec. 1, Merrick Pet Care, a leader in natural and organic pet nutrition, will provide PAWS Chicago with pet food for all of PAWSâ homeless pets. PAWS Chicago (Pets Are Worth Saving) is a national model in animal sheltering and is committed to ending the killing of homeless cats and dogs. Amarillo, Texas-based Merrick Pet Care Inc. is focused on creating the most nutritious and wholesome pet food to help families take better care of their pets. All Merrick foods are made in the USA using only the freshest ingredients grown by local farmers, with no ingredients from China.