Audio & Video Components & Systems, Fire & Smoke Detection & Fire & Smoke Alarm Systems, Home Automation, Home Control. for over 50 years BRK has made the most recognized professional brands of smoke alarms, CO alarms and security cameras on the market. Each safety product is built to the highest standard which has earned us a leadership role in the professionally installed home safety product category. BRK is committed to serving you, Building Materials, Alarm Systems, Fire Safety, Security Cameras ...

Electrical Circuits, Switches, Makers of temperature control instruments; mercury thermostats, incubator thermostats, thermometers and candy thermometers. Precision built thermostats and thermometers for reliable temperature control. Alarms; Analyzers; Calibrators; Controls and Controllers; Fabrication Services; Gages; Glassware; Incubators; Indicators; Instruments; Measuring Equipment; Regulators; Relays; Switches; Testers; Thermometers; Thermostats; Wells ...