INSTALLATION OR ERECTION OF BUILDING EQUIPMENT SPECIAL TRADE
     CONTRACTORS, NOT ELSEWHERE CLASSIFIED (Industry 1796)
     
     Establishments classified in this industry are primarily
     engaged in the installation or erection of building equipment,
     not elsewhere classified, such as elevators, escalators,
     pneumatic tube systems, and dust collection equipment.  This
     industry also includes contractors primarily engaged in the
     installation or dismantling of machinery or other industrial
     equipment.  For additional examples, refer to the Standard
     Industrial Classification Manual: 1987 (SIC) published by the
     Office of Management and Budget, Executive Office of the
     President.
     
     During 1992, the establishments with paid employees classified
     in this industry accounted for $6.8 billion in total dollar
     value of business.  Of this amount, $6.6 billion were for the
     value of construction work.  These establishments paid out
     $1.7 billion for materials, components, and supplies and $479
     million for construction work subcontracted to others.  Costs
     for selected power, fuels, and lubricants for the industry
     were $77 million. Value added for 1992 was $4.5 billion.
     
     There were 3,889 establishments with total employment
     averaging 82,648 during the year.  Total payroll for 1992 was
     $2.3 billion.
     
     Larger establishments with 20 employees or more, while
     representing only 23 percent of the total number of employer
     establishments in this industry accounted for 78 percent of
     all business done.