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Intrastate Natural Gas Distribution Operators Investor-Owned

MidAmerican Energy Co.
PO Box 657
Des Moines, IA 50306-0657
Toll-Free: 1-800-595-5325

Montana-Dakota Utilities Co.
400 N. Fourth St.
Bismarck, ND 58501
Toll-Free: 1-800-638-3278

Northern Natural Gas (farm taps)
1111 S. 103rd St.
Omaha, NE 68124
Toll-Free: 1-877-654-0646

NorthWestern Energy
3010 W. 69th St.
Sioux Falls, SD 57108
Toll-Free: 1-800-245-6977