You can't in most cases. These buildings are owned by larger conglomerates and are out of scope of landlord-leasee negotiations especially as it's a sublease.

Allied United is one of the larger security augmentation firms in the nation, which makes is harder. For example, my Alma mater was secured by Allied Universal as well as a dedicated PD because the dedicated PD didn't want to be bag check for a library when they have been dealing with real crime (eg. A comrade in their sister PD across town's was shot by the Boston marathon bombers).