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Knight Security Systems Inc
  (717) 977-5724       5879 Avis Lane , Harrisburg, PA 17112-1606 Detail
Knight Security Systems Inc specializes in fire alarm, medical alert systems, surveillance cameras, monitoring and access control services.

Securitas Security Services USA, Inc.
  717.526.4030      2601 Market Place, Suite 110, Harrisburg, PA 17110 Detail
Securitas Security Services USA, Inc offers alarm monitoring, access control, surveillance, fire systems, burglar alarm and security systems services.

Shearer Security Devices
  717-564-2230      5450 Derry Street , Harrisburg, PA 17111 Detail
Shearer Security Devices provides fire & burglar alarm systems, surveillance cameras, access system, locksmith and commercial security services.