| Northrop Grumman | Florida | multiple | 2014 | $471,005,000 | | MEGADEAL  |
| Northrop Grumman | California | state | 2014 | $420,000,000 | | MEGADEAL |
| Northrop Grumman Corporation | Utah | state | 2020 | $59,919,439 | | tax credit/rebate |
| Northrop Grumman (Huntington-Ingalls) | Virginia | state | 2011 | $32,777,745 | | grant |
| ATK Aerospace Structures | Utah | state | 2009 | $32,732,500 | | tax credit/rebate |
| Northrop Grumman Corporation | Maryland | state | 2017 | $20,000,000 | | grant/loan hybrid program |
| ATK | Utah | state | 2014 | $19,307,734 | | tax credit/rebate |
| ATK Aerospace Systems | Utah | state | 2011 | $18,898,061 | | tax credit/rebate |
| Northrop Grumman Innovation Systems, Inc. | California | state | 2020 | $15,000,000 | | tax credit/rebate |
| Orbital Sciences/VA Commercial Space Flight Authority | Virginia | state | 2010 | $13,876,127 | | grant |
| Northrop Grumman Systems Corporation | California | state | 2015 | $10,000,000 | | tax credit/rebate |
| Northrop Grumman | Virginia | state | 2011 | $10,000,000 | | grant |
| Orbital ATK, Inc. | Arizona | state | 2018 | $10,000,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Florida | state | 2014 | $8,700,000 | | grant |
| Northrop Grumman | Virginia | state | 2023 | $8,500,000 | | grant |
| Northrop Grumman Systems Corporation | Maryland | state | 2019 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2017 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $7,500,000 | | tax credit/rebate |
| Orbital Sciences/VA Commercial Space Flight Authority | Virginia | state | 2009 | $5,476,115 | | grant |
| Alliant Techsystems Operations LLC | United States | federal | 2010 | $5,367,921 | | federal grant |
| Orbital Sciences/VA Commercial Space Flight Authority | Virginia | state | 2011 | $5,306,092 | | grant |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $3,796,461 | | tax credit/rebate |
| ATK (ALLIANT TECHSYSTEMS OPERATIONS) | Missouri | state | 2014 | $3,528,430 | | training reimbursement |
| NORTHROP GRUMMAN SPACE TECHNOLOGY | California | state | 2004 | $3,435,858 | | training reimbursement |
| Northrop Grumman Systems Corporation | Florida | state | 2014 | $3,400,000 | | grant |
| Northrop Grumman | Virginia | state | 2011 | $3,000,000 | | grant |
| Orbital ATK, Inc. (Chandler) | Arizona | state | 2017 | $2,500,000 | | grant |
| Alliant Techsystems Operations LLC | United States | federal | 2013 | $2,161,095 | | federal grant |
| Orbital ATK, Inc. | California | state | 2015 | $2,100,000 | | tax credit/rebate |
| ATK | Utah | state | 2013 | $2,000,000 | | grant |
| Northrop Grumman Systems Corporation | Maryland | state | 2016 | $1,801,615 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | United States | federal | 2021 | $1,680,136 | | federal grant |
| Northrop Grumman Systems Corp | United States | federal | 2014 | $1,624,989 | | federal grant |
| NORTHROP GRUMMAN SPACE TECHNOLOGY | California | state | 2006 | $1,575,890 | | training reimbursement |
| Northrop Grumman Corporation #1 | Maryland | state | 2001 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #2 | Maryland | state | 2002 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #3 | Maryland | state | 2003 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #3 | Maryland | state | 2004 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #4 | Maryland | state | 2005 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman #5 | Maryland | state | 2006 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Systems Corp. | Mississippi | state | 2017 | $1,500,000 | | grant |
| Northrop Grumman Systems Corporation | Florida | state | 2014 | $1,400,000 | | tax credit/rebate |
| Atk Launch Systems LLC | United States | federal | 2008 | $1,338,687 | | federal grant |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | California | state | 2003 | $1,333,800 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2018 | $1,287,633 | | tax credit/rebate |
| Northrop Grumman Ship Systems | Mississippi | state | 2010 | $1,264,100 | | training reimbursement |
| Northrop Grumman Ship Building | Mississippi | state | 2009 | $1,244,684 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $1,171,566 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2019 | $1,136,563 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2017 | $1,110,678 | | tax credit/rebate |
| Orbital Sciences Corp. | Virginia | state | 2008 | $1,000,000 | | grant |
| ATK Space Systems, Inc. | California | state | 2016 | $1,000,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $1,000,000 | | tax credit/rebate |
| Orbital Sciences | Virginia | state | 2012 | $1,000,000 | | grant |
| NORTHROP GRUMMAN CORP | California | state | 2018 | $899,684 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $889,899 | | tax credit/rebate |
| NORTHROP GRUMMAN SYSTEMS CORP | California | state | 2019 | $862,728 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2011 | $799,889 | | tax credit/rebate |
| Orbital ATK Inc. | Arizona | state | 2016 | $750,000 | | grant |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $727,441 | | property tax abatement |
| NORTHROP GRUMMAN MISSION SYSTEMS | California | state | 2004 | $723,092 | | training reimbursement |
| Atk Launch Systems LLC | United States | federal | 2008 | $702,939 | | federal grant |
| NORTHROP GRUMMAN INTEGRATED SYSTEMS | California | state | 2010 | $699,067 | | training reimbursement |
| NORTHROP GRUMMAN CORPORATION | California | state | 2005 | $695,968 | | training reimbursement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $691,973 | | property tax abatement |
| Northrop Grumman Ship Systems | Mississippi | state | 2011 | $655,312 | | training reimbursement |
| Northrop Grumman Systems Corp | California | state | 2022 | $641,746 | | training reimbursement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2009 | $621,200 | | property tax abatement |
| Northrop Grumman Innovation Systems | Mississippi | state | 2019 | $600,000 | | grant |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2009 | $558,104 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2010 | $546,046 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $544,057 | | property tax abatement |
| Northrop Grumman Information Technology, Inc. | Virginia | state | 2006 | $500,000 | | grant |
| Northrop Grumman Systems Corporation | Maryland | state | 2004 | $476,232 | | tax credit/rebate |
| Northrop Grumman Systems Corp. | Florida | state | 2004 | $475,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2015 | $473,904 | | tax credit/rebate |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2010 | $464,292 | | property tax abatement |
| ATK Systems, Inc. | Mississippi | state | 2017 | $450,000 | | grant/loan hybrid program |
| Orbital ATK, Inc. | Arizona | state | 2018 | $440,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2005 | $434,174 | | tax credit/rebate |
| ATK Space Systems, Inc | Ohio | state | 2016 | $428,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2012 | $416,743 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2014 | $416,743 | | tax credit/rebate |
| Northrop Grumman Corporation | Florida | state | 1997 | $410,000 | | tax credit/rebate |
| NORTHROP GRUMMAN SPACE TECHNOLOGY, A BUSINESS UNIT OF NORTHROP GRUMMAN SPACE & MISSION SYSTEMS CORP | California | state | 2008 | $409,527 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2009 | $409,030 | | tax credit/rebate |
| Northrup Grumman Innovation Systems, Inc. and Subsidiaries | Arizona | state | 2019 | $408,000 | | tax credit/rebate |
| Northrop Grumman Corporation | Florida | state | 1999 | $402,000 | | grant |
| Northrop Grumman Systems Corporation | Maryland | state | 2008 | $331,463 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2007 | $331,077 | | tax credit/rebate |
| NORTHROP GRUMMAN CORPORATION | California | state | 2004 | $329,296 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $323,389 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2010 | $309,343 | | tax credit/rebate |
| Northrup Grumman - Gilbert (formerly Orbital ATK) | Arizona | state | 2020 | $282,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2018 | $275,093 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $269,698 | | tax credit/rebate |
| Orbital Sciences Corporation | Arizona | state | 2005 | $266,366 | | training reimbursement |
| Northrop Grumman Corporation | Virginia | state | 2011 | $250,500 | | training reimbursement |
| Northrop Grumman | Mississippi | state | 2017 | $250,000 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $250,000 | | tax credit/rebate |
