- Hallmark Management Service, Inc. (Defiance, OH)
- …Hallmark Management Service is an onsite food service management company providing residential dining service, catering, and retail operations at some locations. Our ... dining program specializes in made from scratch and made to order meals. Our customers will find a wide variety of fresh salads and soups, deli sandwiches, hot entrees, delicious sides, inspiring accompaniments, homemade desserts and more. Our values are… more