Trio Elevators Co.[ India ] Ltd. Manufactures Elevators with Illumination Covers. Trio Elevators Co.[ India ] Ltd. Offers various types of elevators. The Elevators with Illumination Covers, model name TRIO Tmax has been designed to changed all that was seen as a given with a dependable elevator. Dependable, sturdy and technologically efficient, the elevator is one of the few elevators that are bright and extremely modern in its appearance. Its illumination covers, smooth vinyl tile flooring and a specially designed car panel make for its attractive appearance. Elevators with Illumination Covers promises elevator performance of a high order and also stringent safety measures at every stage of designing, installation, commissioning and maintenance.