Clean enclosures, namely, clean rooms and the component parts thereof, all for medical purposes, namely, ceiling grids, walls, doors, windows, pass-throughs and corner posts
Medical ApparatusClean enclosures, namely, clean rooms and the component parts thereof, all for non-medical purposes, namely, ceiling grids, walls, doors, windows, pass-throughs and corner posts
Environmental Control ApparatusInstallation and maintenance of clean rooms and the component parts thereof
Building Construction and RepairSanitation consultation, evaluation and engineering of clean rooms; design of clean rooms, and the component parts thereof
Computer and Scientific