According to its website, Costco does not sell Altair lighting. Altair lighting's own website also says it does not manufacture products that are sold through Costco or Sam's Club.
Altair does sell lighting through its website. Its light bulbs are used to illuminate shopfronts, hallways and museums, plants and stairways. They also illuminate shelves and cabinets and are used as accent lights for jewelry and art work. Altair also sells light tubes, light panels, ceiling lights, track lights and fixtures. The company also sells power supplies and adapters.
Costco sells lighting products from manufacturers such as 3M, Hunter, Ledu, Feit Electric and SunSetter. The company also sells lighting from U.S. Sunlight Corp., Westinghouse and Zadro.