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IES (Illuminating Engineering Society of North America) - The Lighting Authority - Publisher of lighting design and illumination standards and National Electric Code for designers, manufacturers, and illumination professionals. Lighting information, ...

- Halco Lighting Technologies

ChiefSymbols - Symbol Libraries for all Chief Architect Software

Cree is a market-leading innovator of lighting-class LEDs, LED lighting, and semiconductor solutions for wireless and power applications.

The Energy Efficiency Standards (EES) group analyzes technical, economic, and environmental aspects of energy use in all sectors, both in the U.S and internationally.

At Yahoo! Finance, you get free stock quotes, up to date news, portfolio management resources, international market data, message boards, and mortgage rates that help you manage your financial life.

Electrician Explains Home Electrical Wiring with Tutorials of Step-By-Step Instructions, Photos and Wiring Diagrams to Help Homeowners with their Electrical Projects and Answering Electrical Questions.

Barnett supports the professional plumbing, electrical, HVAC and building contractor with high-quality products at very low cost.

Evolucia is an industry pioneer in the design, engineering, manufacture and marketing of high performance LED lighting systems.

Commercial Lighting | Industrial Lighting | LED Lamps | ProLighting.com