The Department of General Services is a support agency that is responsible for essential services and programs administered on behalf of the state, including procuring goods and services; designing, building, leasing, managing, and maintaining facilities; leading energy conservation efforts; administering the state’s Capital Grants Program; and providing essential services such as fuel management, disposition of surplus property and records management. The Department of General Services also oversees Maryland Capitol Police, who maintain safety and security at all state buildings.​

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