| Company | Category | Area | Address | Web | E-mail | Contact person |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | Montana | 2603 2ND AVE N, BILLINGS, Yellowstone, Montana, 59101-2234, USA |
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MARK VINGER |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | South Dakota | 334 S PIERRE ST, PIERRE, Hughes, South Dakota, 57501-3137, USA |
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| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | South Dakota | 401 N MAIN ST, MOBRIDGE, Walworth, South Dakota, 57601-2539, USA |
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BRUCE BREKKE |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | North Dakota | 400 N 4TH ST, BISMARCK, Burleigh, North Dakota, 58501-4022, USA |
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BRUCE T IMSDAHL |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | North Dakota | 324 2ND AVE SW, JAMESTOWN, Stutsman, North Dakota, 58401-4157, USA |
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GARY SPEIDEL |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | Montana | 2001 N MERRILL AVE, GLENDIVE, Dawson, Montana, 59330-2063, USA |
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NICK HAAG |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | Montana | 226 BENTON ST, WOLF POINT, Roosevelt, Montana, 59201-1523, USA |
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MATT GOLIK |
| MONTANA-DAKOTA UTILITIES | Gas Prodn & Distn | North Dakota | 122 E BROADWAY AVE, BISMARCK, Burleigh, North Dakota, 58501-3839, USA |
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FRANK MOOREHOUSE |
| MONTANA-DAKOTA UTILITIES | Electric Companies | North Dakota | 400 N 4TH ST, BISMARCK, Burleigh, North Dakota, 58501-4022, USA |
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Bruce Imsdahl |
| MONTANA-DAKOTA UTILITIES | Electric Companies | North Dakota | 1130 20TH AVE SW, MINOT, Ward, North Dakota, 58701-6449, USA |
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Tim Kretschmer |
