Manufacturing is only 12% of the labor force.
Labor force by occupation
Farming, Forestry, and Fishing: 0.7%
Manufacturing, Extraction, Transportation, and Crafts: 12%
Managerial, Professional, and Technical: 38%
Sales and Office: 23%
Installation and Maintenance: 3.3%
Other Services: 23%
(June 2014)
[note: figures exclude the unemployed][12]
But it actually creates new wealth which service ‘industries’ mostly do not.