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| Richards Zeta Manufactures graphically programmed controls for building automation, energy management and temperature control systems. http://www.richards-zeta.com/ |
| Safe Roof Systems Manufacturers of the Senteck DMD-1000 roof monitoring and alarm system that guards against catastrophic roof failures. http://www.senteck.com/ |
| Vantage Manufacturer of lighting control and automation systems. http://www.vantageinc.com/ |
| Walker Systems Corporation Develop and manufacture programmable, real-time, distributed control systems. http://www.walkersys.com/ |