Tri-State LED, a division of Revolution Lighting Technologies, announced that it has been selected for a series of LED lighting retrofits with Interstate + Lakeland Lumber, a designer, manufacturer and distributor of building materials. The retrofit is currently taking place throughout the company's Connecticut locations in Bethel, Newtown, Stamford and Greenwich and involves the complete retrofit of existing fluorescent lighting to reduce overall lighting energy use throughout the facilities by more than 60%.