Attached files

file filename
10-K - 10-K - Northrop Grumman Innovation Systems, Inc.oa-1231201710xk.htm
EX-32 - EXHIBIT 32 - Northrop Grumman Innovation Systems, Inc.oa-ex32x20171231.htm
EX-31.2 - EXHIBIT 31.2 - Northrop Grumman Innovation Systems, Inc.oa-ex312x20171231.htm
EX-31.1 - EXHIBIT 31.1 - Northrop Grumman Innovation Systems, Inc.oa-ex311x20171231.htm
EX-23.2 - EXHIBIT 23.2 - Northrop Grumman Innovation Systems, Inc.oa-ex232x20171231.htm
EX-23.1 - EXHIBIT 23.1 - Northrop Grumman Innovation Systems, Inc.oa-ex231x20171231.htm
EX-10.14.7 - EXHIBIT 10.14.7 - Northrop Grumman Innovation Systems, Inc.oa-ex10147x20171231.htm
EX-10.13.7 - EXHIBIT 10.13.7 - Northrop Grumman Innovation Systems, Inc.oa-ex10137x20171231.htm
EX-10.13.5 - EXHIBIT 10.13.5 - Northrop Grumman Innovation Systems, Inc.oa-ex10135x20171231.htm
Exhibit 21

Subsidiaries of Orbital ATK, Inc.
as of December 31 , 2017
 
 
All subsidiaries listed below are 100% owned except joint ventures.
 
 
Subsidiaries 
State or Other Jurisdiction of Incorporation or Organization
Alliant Techsystems Operations LLC
Delaware
Alliant Techsystems Operations Saudi Arabia Ltd. (joint venture)
Saudi Arabia
ATK Launch Systems Inc.
Delaware
ATK Space Systems Inc.
Delaware
COI Ceramics, Inc. (joint venture)
California
Orbital ATK Middle East L.L.C. (joint venture)
United Arab Emirates
Orbital ATK Pte. Ltd.
Singapore
Orbital ATK UK Ltd.
United Kingdom
Orbital Sciences Corporation
Delaware
Space Logistics LLC
Delaware