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Number of Companies Involved in Photovoltaic-Related Activities                                          
Table 3.18     xls   pdf   format
Table 3.18 Number of Companies Involved in Photovoltaic-Related Activities, 2008 and 2009
Type of Activity Number of Companies
2008 2009
Module or Cell Manufacturing 29 43
Module or Systems Design 39 49
Prototype Module Development 28 34
Prototype Systems Development 20 26
Wholesale Distribution 37 54
Retail Distribution 16 23
Installation 28 42
Noncollector System Component Manufacture 9 15
Source: U.S. Energy Information Administration, Form EIA-63B, "Annual Photovoltaic Module/Cell Manufacturers Survey."