Standalone Smart LED Conversion Kits
Networked Lighting Controller & Peripherals
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About Us

Triangle Research International (TRi) , Inc, founded in 1993, is an embedded programmable logic controller (PLC) specialist. We offer a range of board-level PLC products that are used in thousands of applications which run 24/7 in harsh industrial applications. For more information visit:

In 2016, TRi started to leverage on our vast programmable control experience to introduce a new line of purpose-built PLCs, dedicated to intelligent lighting control. Our intelligent lighting control PLCs help customers meet new and exacting energy-saving building codes that are increasing demanded by many jurisdictions around the world.