Class 037
Construction and Repair Services
Installation services for air doors and air curtains for use at an entrance doorway of a refrigerated, air conditioned and/or heated room and/or building; maintenance services for air doors and air curtains for use at an entrance doorway of a refrigerated, air conditioned and/or heated room and/or building; repair services for air doors and air curtains for use at an entrance doorway of a refrigerated, air conditioned and/or heated room and/or building.