Description: This industry comprises establishments primarily engaged in installing or servicing building equipment (except electrical, plumbing, heating, cooling, or ventilation equipment). The repair and maintenance of miscellaneous building equipment is included in this industry. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Automated and revolving door installation Lightning protection equipment (e.g., lightning rod) installation Boiler and pipe insulation installation Machine rigging Commercial-type door installation Millwrights Conveyor system installation Revolving door installation Overhead door, commercial- or industrial-type, installation Dismantling large-scale machinery and equipment Elevator installation Satellite dish, household-type, installation Escalator installation Vacuum cleaning system, built-in, installation Gasoline pump, service station, installation Cross-References. Establishments primarily engaged in--