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24 Hour Security Service 301.717.4118


Security Unlimited, Inc. provides unrivaled security and prevention services to a wide range of businesses, associations, institutions, and facilities. We take great pride in being a central component of a network designed to maintain the integrity, safety, and reliability of our clients. We think of our clients as partners as we join forces to establish an environment that is positive, productive, and protected. With proper assessment, extensive experience, and exceptional training, our officers and guards are prepared to help ensure the security of your property. We’re eager to learn how Security Unlimited, Inc. can help you achieve a greater sense of security.

Retail/Market, Malls & Centers

  • Giant Food
  • Sears
  • Veirs Paving


  • Hard Times Cafe

Non-Profit Institutions

  • The Shriver Foundation
  • Community Associates Services, Inc.
  • Jewish Social Service Agency

Education, Schools, Country Clubs

  • Georgetown Preparatory School
  • The Landon School
  • French International School
  • Aidan Montessori School
  • Norwood School
  • Manor Country Club

Property Managers, Residential & Apartments/Condos

  • Minkoff Co. Inc.
  • Abras Realty
  • Comsource Management Company
  • Management Services, Inc.
  • Main Street Management Corporation

Religious Institutions

  • Congregation Bnai Tezezky
  • Jewish Community Center of Greater Washington
  • Congregation Beth El
  • Congregation Kol Shalom
  • First Baptist Church

Healthcare Related

  • Partners in Therapy & Health
  • Gaithersburg Sports Association


  • Haskel Construction Co.