This Canadian industry comprises establishments primarily engaged in remote monitoring of electronic security alarm systems, such as burglar and fire alarms; and selling security systems, along with installation, maintenance or monitoring services.

This Canadian industry comprises establishments primarily engaged in selling mechanical or electronic locking devices, safes and security vaults, along with installation, repair, rebuilding or adjusting services; and installing, repairing, rebuilding and adjusting mechanical or electronic locking devices, safes and security vaults.