ELECTRICAL WORK SPECIAL TRADE CONTRACTORS (Industry
     1731)

     Establishments classified in this industry are
     primarily engaged in electrical power and lighting
     installation at the construction site.  This industry
     also includes establishments engaged in the
     installation of telecommunication equipment, electronic
     controls, security systems, and highway signals.  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 $40.7 billion
     in total dollar value of business.  Of this amount,
     $40.3 billion were for the value of construction work. 
     These establishments paid out $14.9 billion for
     materials, components, and supplies and $1.7 billion
     for construction work subcontracted to others.  Costs
     for selected power, fuels, and lubricants for the
     industry were $568 million.  Value added for 1992 was
     $23.5 billion.

     There were 54,022 establishments with total employment
     averaging 487,072 during the year.  Total payroll for
     1992 was $13.6 billion.

     Larger establishments with 20 employees or more, while
     representing only 9 percent of the total number of
     employer establishments in this industry, accounted for
     62 percent of all business done.