GrayMark Healthcare, Inc.
| OTC Markets: GRMH
GrayMark Healthcare, Inc. provides care management solutions to the sleep disorder market based on number of independent sleep care centers and hospital sleep diagnostic programs operated in the United States. The company provides a comprehensive diagnosis and care management solution for patients suffering from sleep disorders. GrayMark Healthcare is was founded on January 2, 2008 and is headquartered in Oklahoma City, OK.