As one of the leading lighting-efficiency companies in Illinois, Twin Supplies can take care of your lighting needs from start to finish. Our friendly staff handles all phases of the project; from the initial free energy audit, to grant writing, and finally the sale and installation of materials.  Whether your needs be interior or exterior lighting, no project is too large or too small for Twin.

Our areas of expertise include:

Interior lighting

Exterior lighting

Energy Audits

Contact us to find out how we can help you reduce your energy consumption. Start saving money today!