Harmon Security Group serving - Tulsa, Owasso, Sand Springs, Claremore, Broken Arrow, Jenks, Sapulpa, Bixby, Glenpool, Coweta, Collinsville, Skiatook, Wagoner County, Rogers County and Osage County Oklahoma.
Security Patrol Cruiser

Security Services

Whether you’re in an office building, chemical plant, college campus, bank, hospital or a gated community, you’ll find Harmon Security Group LLC., on the scene and trained to secure your facilities.

For over 20 years, The Harmon Group’s managers have provided security protection for facilities such as the Thomas Gilcrease Museum, an asset larger than the Tulsa International Airport.

  • Commercial Real Estate
  • Financial Institutions
  • Government Services
  • Manufacturing and Industrial
  • Residential Communities
  • Shopping Centers
  • Temporary Security Services
  • Other Industries
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    Our Capabilities

    At Harmon, we take security very seriously. No matter where we serve, we strive to be the
    most responsive security services firm in the industry. Some of the services we offer include:



  • Access Control
  • Vehicle Patrol
  • Reception Services
  • Perimeter Patrol
  • Bike Patrol
  • EMT First Responder
  • Gate House Services
  • Control Room Operators
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         Everfocus Access Control and Security Cameras     GE Security Access Control and Security Camera Equipment     Member of Better Business Bureau

    Harmon Security Group LLC | 320 S Boston Ave. Ste. 1111 Tulsa, OK 74103 | Phone: (918) 277-1860