A natural gas distribution company serving parts of Washington outside the Seattle-Tacoma area as well as central and eastern Oregon. Cascade Natural Gas serves more than 260,000 customers in 96 communities – 68 of which are in Washington and 28 in Oregon. Cascade’s service areas are concentrated in Western and Central Washington and Central and Eastern Oregon. Cascade serves a diverse territory covering more than 32,000 square miles and 700 highway miles from one end of the system to the other. Interstate pipelines transmit Cascade’s natural gas from production areas in the Rocky Mountains and Western Canada.