| Subsidiaries | State of Incorporation |
Knife River Corporation | Delaware |
Alaska Basic Industries, Inc. | Alaska |
Ames Sand & Gravel, Inc. | North Dakota |
Anchorage Sand and Gravel Company, Inc. | Alaska |
ARC Fabricators, L.L.C. | South Dakota |
Baldwin Contracting Company, Inc. | California |
Central Oregon Redi-Mix, LLC | Oregon |
Concrete, Inc. | California |
Connolly-Pacific Co. | California |
D S S Company | California |
E & ER Company | South Dakota |
Ellis & Eastern Company | South Dakota |
Fairbanks Materials, Inc. | Alaska |
Granite City Ready Mix, Inc. | Minnesota |
Hawaiian Cement | Hawaii |
Jebro Incorporated | Iowa |
JTL Group, Inc. (Montana corporation) | Montana |
JTL Group, Inc. (Wyoming corporation) | Wyoming |
Kent’s Oil Service | California |
Knife River Corporation - Mountain West | 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 |
LTM, Incorporated | Oregon |
Northstar Materials, Inc. | Minnesota |
Rail to Road, Inc. | South Dakota |
Sweetman Const. Co. | South Dakota |
WHC, Ltd. | Hawaii |
