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Companies Involved in Geothermal Heat Pump Activities by Type
Table 4.15     xls   pdf   format      Geothermal Heat Pump Manufacturing Activities

Table 4.15 Companies Involved in Geothermal Heat Pump Activities by Type, 2006 and 2007
Type of Activity 2006 2007
Geothermal Heat Pump or System Design - 12
Prototype Geothermal Heat Pump Development - 10
Prototype Systems Geothermal Development - 4
Wholesale Distribution - 12
Retail Distribution - 4
Installation - 3
Manufacture of System Components - 2
- = No data reported.
Source: Energy Information Administration, Form EIA-902, "Annual Geothermal Heat Pump Manufacturers Survey."