MARYLAND

Apex Investigative Services, Inc. 1916 Crain Highway South,
Suite 11
Glen Burnie MD 21061 800-860-1161 wleighton@apex-investigations.com
Ardent Investigations 2422 Pinefield Rd. Waldorf MD 20601 888-882-7703 ardentpi@comcast.net
Castle Security Group 809 Frederick Rd. Baltimore MD 21228 410-788-7800 dbuck@castlesec.com
Prudential Associates 11 N. Washington Street, Suite 350 Rockvillle MD 20850 301-279-6700 PI@usainvestigators.com
The Premier Group 9516 Odelton Court Laurel MD 20723 301-483-6067 sjspi@aol.com

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