GE Lighting
Lumination BR Series LED recessed troffer with dimming functionality is available in 1-by-4, 2-by-4, and 2-by-2 foot sizes, in 3500K and 4000K color temperatures, and delivers 90 to 102 lumens per watt. Installs in T-grid drop ceiling systems, and the LED driver and light engine are accessible from below the ceiling.
Russelectric: Centralized Paralleling Systems
SC Johnson Professional: Alcare Extra with OPTIDOSE
Horton Automatics: BH Slider
Kimball International: Shore
Protimeter: Aquant