Philadelphia Gas Works
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Philadelphia Gas Works (PGW) is the United States' largest municipally owned natural gas utility. Construction was completed by engineer Samuel V. Merrick on January 22, 1838, and operations continued from the 1800s to the present day.
The Acorn gas range, designed by Norman Bel Geddes, from a PGW brochure of c. 1932–33.
UGI Corporation
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UGI Corporation is a natural gas and electric power distribution company headquartered in King of Prussia, Pennsylvania, with extensive operations in the United States and Europe.
AmeriGas, Ypsilanti, MI