Security Guard & Patrol Service in Maryland

Whelan Sfi is a national security business that is a combination of two security companies: Whelan Security and Security Forces, Inc. It services the Washington, D.C., Maryland, Delaware and Virginia area. Its mission is "to assure the delivery of real quality security service, which means that we not only focus on the means to the end, but the assurance of the end result of quality service delivery." For more information, please contact this business directly or check out the company's website.

Absolute Investigative Service is a private security firm sthat supplies private detectives and security guards for personal or professional purposes. AIS assures its clients that all of its private investigators and security personnel are licensed through the Maryland State Police.