MDU RESOURCES GROUP, INC.
List of Subsidiaries
(effective December 31, 2010)
Subsidiaries | Jurisdiction of Formation |
Alaska Basic Industries, Inc. | Alaska |
Ames Sand & Gravel, Inc. | North Dakota |
Anchorage Sand and Gravel Company, Inc. | Alaska |
Baldwin Contracting Company, Inc. | California |
BEH Electric Holdings, LLC | Nevada |
Bell Electrical Contractors, Inc. | Missouri |
Bitter Creek Pipelines, LLC | Colorado |
BMH Mechanical Holdings, LLC | Nevada |
Bombard Electric, LLC | Nevada |
Bombard Mechanical, LLC | Nevada |
Capital Electric Construction Company, Inc. | Kansas |
Capital Electric Line Builders, Inc. | Kansas |
Cascade Natural Gas Corporation | Washington |
Centennial Energy Holdings, Inc. | Delaware |
Centennial Energy Resources International, Inc. | Delaware |
Centennial Energy Resources LLC | Delaware |
Centennial Holdings Capital LLC | Delaware |
Central Oregon Redi-Mix, LLC | Oregon |
CGC Resources, Inc. | Washington |
Concrete, Inc. | California |
Connolly-Pacific Co. | California |
Continental Line Builders, Inc. | Delaware |
Coordinating and Planning Services, Inc. | Delaware |
Desert Fire Holdings, Inc. | Nevada |
Desert Fire Protection, a Nevada Limited Partnership | Nevada |
Desert Fire Protection, Inc. | Nevada |
Desert Fire Protection, LLC | Nevada |
D S S Company | California |
E.S.I., Inc. | Ohio |
Fairbanks Materials, Inc. | Alaska |
Fidelity Exploration & Production Company | Delaware |
Fidelity Oil Co. | Delaware |
Frebco, Inc. | Ohio |
FutureSource Capital Corp. | Delaware |
Granite City Ready Mix, Inc. | Minnesota |
Hamlin Electric Company | Colorado |
Harp Engineering, Inc. | Montana |
Hawaiian Cement, a partnership | Hawaii |
ILB Hawaii, Inc. | Hawaii |
Independent Fire Fabricators, LLC | Nevada |
Intermountain Gas Company | Idaho |
International Line Builders, Inc. | Delaware |
InterSource Insurance Company | Vermont |
Jebro Incorporated | Iowa |
JTL Group, Inc., a Montana corporation | Montana |
JTL Group, Inc., a Wyoming corporation | Wyoming |
Kent’s Oil Service | California |
Knife River Corporation | Delaware |
Knife River Corporation – North Central | Minnesota |
Knife River Corporation – Northwest | Oregon |
Knife River Corporation – South | Texas |
Knife River Dakota, Inc. | Delaware |
Knife River Hawaii, Inc. | Delaware |
Knife River Marine, Inc. | Delaware |
Knife River Midwest, LLC | Delaware |
KRC Holdings, Inc. | Delaware |
LME&U Holdings, LLC | Nevada |
Lone Mountain Excavation & Utilities, LLC | Nevada |
Loy Clark Pipeline Co. | Oregon |
LTM, Incorporated | Oregon |
MDU Brasil Ltda. | Brazil |
MDU Construction Services Group, Inc. | Delaware |
MDU Energy Capital, LLC | Delaware |
MDU Industrial Services, Inc. | Delaware |
MDU Resources International LLC | Delaware |
MDU Resources Luxembourg I LLC S.a.r.l. | Luxembourg |
MDU Resources Luxembourg II LLC S.a.r.l. | Luxembourg |
Midland Technical Crafts, Inc. | Delaware |
Netricity LLC | Alaska |
Northstar Materials, Inc. | Minnesota |
Oregon Electric Construction, Inc. | Oregon |
Pouk & Steinle, Inc. | California |
Prairie Cascade Energy Holdings, LLC | Delaware |
Prairie Intermountain Energy Holdings, LLC | Delaware |
Prairielands Energy Marketing, Inc. | Delaware |
Prairielands Magnetics Limited | Scotland |
Rocky Mountain Contractors, Inc. | Montana |
USI Industrial Services, Inc. | Delaware |
Wagner Group, Inc., The | Delaware |
Wagner Industrial Electric, Inc. | Delaware |
Wagner-Smith Company, The | Ohio |
Wagner-Smith Equipment Co. | Delaware |
Wagner-Smith Pumps & Systems, Inc. | Ohio |
Warner Enterprises, Inc. | Nevada |
WBI Canadian Pipeline, Ltd. | Canada |
WBI Energy Services, Inc. | Delaware |
WBI Holdings, Inc. | Delaware |
WBI Pipeline & Storage Group, Inc. | Delaware |
WHC, Ltd. | Hawaii |
Williston Basin Interstate Pipeline Company | Delaware |