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Intrastate Natural Gas Distribution Operators – Investor-Owned

Brightmark Athena RNG LLC
1725 Montgomery ST Fl 3
San Francisco, CA 94111
PHMSA ID 40481
24/7 Phone:1-866-497-2284
Non-Emergency Phone Number: (650) 420-7505
Email: pipeline.compliance@brightmark.com

MidAmerican Energy Co.
PO Box 657
Des Moines, IA 50306-0657
PHMSA ID 30750
Toll-Free: 1-800-595-5325
Email: OnlineCustomerService@midamerican.com

Montana-Dakota Utilities Co.
400 N. Fourth St.
Bismarck, ND 58501
PHMSA ID 12684
Toll-Free: 1-800-638-3278

Northern Natural Gas (farm taps)
1111 S. 103rd St.
Omaha, NE 68124
PHMSA ID 13750
Toll-Free: 1-877-654-0646

NorthWestern Energy
3010 W. 69th St.
Sioux Falls, SD 57108
PHMSA ID 31362
Toll-Free: 1-800-245-6977